Expansion Joint Rubber

RUBBER
EXPANSION
JOINTS



A LONG LEGACY OF

Expansion Joints is one of a very few
American companies that manufacture a complete
line of metal hose, wire braid, round metal expansion
joints, metallic flue duct expansion joints, non-metallic
flue duct expansion joints and rubber pressure piping
expansion joints. With over 65 years of being in the
metal hose and expansion joint business–dating back
to the early Expansion Joints have over 130 years combined
experience in this industry.
The
plant was designed totally for the state of the art
manufacturing of metal hose and expansion joints.
We would certainly welcome you to visit our company
on your next visit to the Atlanta area.
Quality, service and fair pricing is the basis on how
we operate our business.


FUNCTION AND MOVEMENTS
Rubber expansion joints are designed to reduce vibration
and dampen sound transmission. They are also designed
to take the following movements: Compression, Extension,
Angular, Torsional and Lateral.


SIZE RANGES AVAILABLE
We offer rubber expansion joints from 1/2ˇˇ
to 120ˇˇ
diameter and provide same day shipment for rubber
expansion joint sizes from 1/2ˇˇ
through 24ˇˇ
. Other sizes
are available on special order.


MATERIALS AVAILABLE
Our rubber expansion joints are available in EPDM,
Neoprene, Nitrile, Chlorobutyl, Butyl, Nitrile, Hypalon®,
Viton® and Natural Rubber. Others materials are
available on request.
Our expansion joints
are manufactured to the
highest quality standards
in the industry.

RUBBER
EXPANSION
JOINTS
QUALITY ASSURANCE
manufactures to the highest quality standards in the industry. We can offer
additional tests, if required, such as hydrostatic, cycle life, and burst testing.
continually strives for better products and to improve the efficiency of our service without compromising
standards. These product and quality improvements are from the standard catalog item to the more complicated
aerospace product lines. Our rubber expansion joints are designed and built to the specifications outlined in the Fluid
Sealing Association Technical Handbook 7th edition Non-Metallic Expansion Joints and Flexible Pipe Connections.

Single Arch
Rubber Expansion Joints
OAL
Style: SA
Single Arch style molded rubber expansion joints are designed to absorb movements and stress on piping
systems, compensate for pipe misalignment, reduce vibration and system noise. They also protect against
start-up forces as well as system surges. All SA style joints come standard with ANSI 150# solid floating
metallic flanges. The design of the SA style does not contain any metallic reinforcement in the carcass of
the bellows. Instead the carcass has a minimum of four layers of high tensile synthetic fabric. Each layer is
impregnated with a rubber or synthetic compound. This allows movement and flexibility between the layers
of fabric. The SA style design has a long radius arch allowing for self cleaning and thus eliminating the need
for a filled arch. The SA style is the most economic choice when it comes to rubber expansion joints. The SA
style is available on request to meet the requirements of the U.S.C.G.
6
5 5
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4
1
2
4
3
OAL
Item # Part
1 Cover
2 Tube
3 Carcass
1+2+3 Body
4 EJ Flange
5 Mating Flange
6 Control Unit
NOTES

  1. Control unit (3 Rod) Standard
  2. Control unit (4 Rod) Standard
  3. Maximum working pressure is based on 190° F.
    See Temperature vs. Pressure chart for operating
    temperatures above 190° F.
  4. Test pressure is 1.5 times working pressure. Burst pressure
    is approximately 4 times maximum working pressure.
  5. The vacuum rating is based on the joint installed in the
    neutral length. Joints should not be installed in the
    extended position on vacuum applications. Please advise
    if the joint will be subjected to full vacuum. The use of an
    internal vacuum ring may be necessary.
  6. “XX” in the part number is to be replaced by the
    appropriate body material code.
    Size Length PHI Allowable Movement Operating Condition Weight (lbs)
    Nominal
    Diameter OAL PART
    Number-6 Axial
    Compression
    Axial
    Extension
    Lateral
    Deflection
    Angular
    Deflection
    Max w.p.
    (psi)-3,-4 Max Vacuum
    (in. of Hg)-5 Exp. Joint
  • Flanges
    Control Unit
    (2 Rod)-1,-2
    1″ 6″ SA-16-“XX” 1/2″ 3/8″ ± 1/2″ 37° 225 26 3.75 5.50
    1-1/4″ 6″ SA-20-“XX” 1/2″ 3/8″ ± 1/2″ 31° 225 26 4.75 5.50
    1-1/2″ 6″ SA-24-“XX” 1/2″ 3/8″ ± 1/2″ 27° 225 26 5.75 5.50
    2″ 6″ SA-32-“XX” 1/2″ 3/8″ ± 1/2″ 20° 225 26 8.25 6.75
    2-1/2″ 6″ SA-40-“XX” 1/2″ 3/8″ ± 1/2″ 17° 225 26 10.25 7.50
    3″ 6″ SA-48-“XX” 1/2″ 3/8″ ± 1/2″ 14° 225 26 13.50 7.75
    3-1/2″ 6″ SA-56-“XX” 1/2″ 3/8″ ± 1/2″ 12° 225 26 17.50 7.75
    4″ 6″ SA-64-“XX” 3/4″ 1/2″ ± 1/2″ 14° 225 26 17.75 7.00
    5″ 6″ SA-80-“XX” 3/4″ 1/2″ ± 1/2″ 11° 225 26 21.25 7.50
    6″ 6″ SA-96-“XX” 3/4″ 1/2″ ± 1/2″ 9° 225 26 24.75 8.50
    8″ 6″ SA-128-“XX” 3/4″ 1/2″ ± 1/2″ 7° 225 26 38.00 11.25
    10″ 8″ SA-160-“XX” 1″ 5/8″ ± 3/4″ 7° 225 26 57.00 24.50-1
    12″ 8″ SA-192-“XX” 1″ 5/8″ ± 3/4″ 6° 225 26 80.00 26.00-1
    14″ 8″ SA-224-“XX” 1″ 5/8″ ± 3/4″ 5° 150 26 104.00 31.00-1
    16″ 8″ SA-256-“XX” 1″ 5/8″ ± 3/4″ 4° 150 26 129.00 38.50-2
    18″ 8″ SA-288-“XX” 1″ 5/8″ ± 3/4″ 4° 150 26 137.00 41.00-2
    20″ 8″ SA-320-“XX” 1″ 5/8″ ± 3/4″ 3° 150 26 167.00 41.75-2
    22″ 10″ SA-352-“XX” 1″ 5/8″ ± 3/4″ 3° 150 26 181.00 50.25-2
    24″ 10″ SA-384-“XX” 1″ 5/8″ ± 3/4″ 3° 150 26 194.00 58.75-2
    Remarks

  • • The joint body is available in 3 standard combinations of
    the (tube/cover): EPDM/EPDM, Neoprene/Neoprene,
    and Nitrile/Neoprene. The body components (tube/
    cover) are also available in a combination of the
    following additional materials on special order:
    Neoprene, EPDM, Chlorobutyl, Butyl, Nitrile, Hypalon®,
    Viton®, natural rubber etc. Please see the materials table
    to determine what material is best for your application.
    • Standard flange drilling is ANSI 150#. Also available
    ANSI 25/125/250/300#, Navy, DN, BS, and JIS Drilling
    as well as others.
    • Standard flange material is carbon steel with a plated
    rust inhibitor. Also available T-304, T-316 and other alloys.
    • All Movements are non-concurrent. Contact Expansion Joints to determine if your
    concurrent movements are acceptable.
    • Please see “Control Unit” table to determine if your
    application requires control units. Control units must
    be used to protect the joint if the piping is not properly
    anchored. Control units are sold separately from the
    rubber joint.
    • Gaskets are not required with the SA series rubber joint
    as long as a “flat-face” type mating flange is used. If this
    is not an option and a “raised face” type flange is used
    a ring gasket should be used to avoid cutting the
    sealing face of the rubber bead.
  • Hard rubber expansion joints, rubber check valves, rubber check valve, rubber expansion, pipe bellow, pipe bellows, and expansion joint rubber, rubber expansion bellow are expansion joint metal, and they can be rubber expansion joints. Expansion joints take thermal movement. They also take heat and other movement. Expansion joints also help in misalignment. rubber Expansion joints need to be replaced after long usage. Elasticity is used in determining how long an expansion joint will last.

    Dual Arch
    OAL
    Style: DA
    Dual Arch style molded rubber expansion joints are designed to absorb movements and stress on piping
    systems, compensate for pipe misalignment, reduce vibration and system noise. The style DA protects
    against start-up forces as well as system surges. All DA style joints come standard with ANSI 150# solid
    floating metallic flanges and metallic root rings. The design of the DA style does not contain any metallic
    reinforcement in the carcass of the bellows. Instead the carcass has a minimum of four layers of high tensile
    synthetic fabric. Each layer is impregnated with a rubber or synthetic compound. This allows movement and
    flexibility between the layers of fabric. The DA style design has a long radius arch allowing for self cleaning
    and thus eliminating the need for a filled arch. The DA style is the most economic choice when it comes to
    dual arch rubber expansion joints. The DA is available on request to meet the requirements of the U.S.C.G.
    6 6 6
    1 7
    2
    4 4
    5 5
    3
    OAL
    Item # Part
    1 Cover
    2 Tube
    3 Carcass
    1+2+3 Body
    4 EJ Flange
    5 Mating Flange
    6 Control Unit
    NOTES
  1. Control unit (3 Rod) Standard
  2. Control unit (4 Rod) Standard
  3. Maximum working pressure is based on 190° F.
    See Temperature vs. Pressure chart for operating
    temperatures above 190° F.
  4. Test pressure is 1.5 times working pressure. Burst pressure
    is approximately 4 times maximum working pressure.
  5. The vacuum rating is based on the joint installed in the
    neutral length. Joints should not be installed in the
    extended position on vacuum applications. Please advise
    if the joint will be subjected to full vacuum. The use of an
    internal vacuum ring may be necessary.
  6. “XX” in the part number is to be replaced by the
    appropriate body material code.
    Size Length PHI Allowable Movement Operating Condition Weight (lbs)
    Nominal
    Diameter OAL PART
    Number-6 Axial
    Compression
    Axial
    Extension
    Lateral
    Deflection
    Angular
    Deflection
    Max w.p.
    (psi)-3,-4 Max Vacuum
    (in. of Hg)-5 Exp. Joint
  • Flanges
    Control Unit
    (2 Rod)-1,-2
    1″ 5″ DA-16-“XX” 2″ 1.188″ ± 1.75″ 45° 225 26 4.00 5.50
    1-1/4″ 7″ DA-20-“XX” 2″ 1.188″ ± 1.75″ 45° 225 26 5.25 5.50
    1-1/2″ 7″ DA-24-“XX” 2″ 1.188″ ± 1.75″ 45° 225 26 6.00 5.50
    2″ 7″ DA-32-“XX” 2″ 1.188″ ± 1.75″ 45° 225 26 8.50 6.75
    2-1/2″ 7″ DA-40-“XX” 2″ 1.188″ ± 1.75″ 43° 225 26 11.25 8.00
    3″ 7″ DA-48-“XX” 2″ 1.188″ ± 1.75″ 38° 225 26 13.75 8.00
    3-1/2″ 10″ DA-56-“XX” 2″ 1.188″ ± 1.75″ 34° 225 26 16.50 8.00
    4″ 9″ DA-64-“XX” 2.25″ 1.375″ ± 1.562″ 34° 225 26 19.25 7.50
    5″ 9″ DA-80-“XX” 2.25″ 1.375″ ± 1.562″ 29° 225 26 22.50 8.00
    6″ 9″ DA-96-“XX” 2.25″ 1.375″ ± 1.562″ 25° 225 26 28.00 9.00
    8″ 13″ DA-128-“XX” 2.50″ 1.375″ ± 1.375″ 19° 225 26 46.00 13.00
    10″ 13″ DA-160-“XX” 2.50″ 1.375″ ± 1.375″ 15° 225 26 63.00 25.25-1
    12″ 13″ DA-192-“XX” 2.50″ 1.375″ ± 1.375″ 13° 225 26 88.00 28.01-1
    14″ 13.75″ DA-224-“XX” 1.75″ 1.118″ ± 1.118″ 9° 150 26 119.00 33.55-1
    16″ 13.75″ DA-256-“XX” 1.75″ 1.118″ ± 1.118″ 8° 150 26 147.00 41.00-2
    18″ 13.75″ DA-288-“XX” 1.75″ 1.118″ ± 1.118″ 7° 150 26 158.00 43.50-2
    20″ 13.75″ DA-320-“XX” 1.75″ 1.118″ ± 1.118″ 7° 150 26 185.00 44.50-2
    22″ 12″ DA-352-“XX” 1.75″ 1.118″ ± 1.118″ 6° 150 26 198.00 53.50-2
    24″ 13.75″ DA-384-“XX” 1.75″ 1.118″ ± 1.118″ 5° 150 26 211.00 62.50-2
    Remarks
    • The joint body is available in 3 standard combinations of
    the (tube/cover): EPDM/EPDM, Neoprene/Neoprene,
    and Nitrile/Neoprene. The body components (tube/
    cover) are also available in a combination of the
    following additional materials on special order:
    Neoprene, EPDM, Chlorobutyl, Butyl, Nitrile, Hypalon®,
    Viton®, natural rubber etc. Please see the materials table
    to determine what material is best for your application.
    • Standard flange drilling is ANSI 150#. Also available
    ANSI 25/125/250/300#, Navy, DN, BS, and JIS Drilling
    as well as others.
    • Standard flange material is carbon steel with a plated
    rust inhibitor. Also available T-304, T-316 and other alloys.
    • All Movements are non-concurrent. Contact Joints to determine if your
    concurrent movements are acceptable.
    • Please see “Control Unit” table to determine if your
    application requires control units. Control units must
    be used to protect the joint if the piping is not properly
    anchored. Control units are sold separately from the
    rubber joint.
    • Gaskets are not required with the DA series rubber joint
    as long as a “flat-face” type mating flange is used. If this
    is not an option and a “raised face” type flange is used
    then a ring gasket should be used to avoid cutting the
    sealing face of the rubber bead.

    Spool Type
    1/8”
    max
    Style: ST
    Style: STF
    Spool Type Style molded rubber expansion joints are designed with a metal reinforcing collar molded into
    the necks of the carcass. This allows the ST style to use light weight split retaining rings (sold separately) to
    back-up the molded integral rubber flange that is molded into the ST. The ST style is also available in a filled
    arch design know as style STF.
    The ST can be made custom with multiple arches to improve movement, non standard flanges or enlarge
    flange type (different size flanges on each end), non standard lengths, as a reducer type, or with permanent
    offsets built into the joint. Larger sizes are available on request. The ST and STF are available on request to
    meet the requirements of the U.S.C.G.
    The STF style or filled arch will reduce allowable movements by 50%. It will also increase spring rates by
    4 times that of the ST style. The filled arch design is a great option to reduce turbulence and eliminates the
    ability of solids to settle and remain in the arch. The “filler” in the filled arch is made from a low durometer
    soft rubber material that is bonded to the ID of the traditional arch. The ID of the STF has a one piece
    seamless inner tube eliminating the ability of the filler to come loose in service.
    6 6
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    1
    2
    4
    3
    5
    7 7 7
    Filled Arch
    OAL Open Arch
    OAL
    Item # Part
    1 Cover
    2 Tube
    3 Carcass
    1+2+3 Body
    4 EJ Retaining Ring
    5 Metal Reinforcing Collar
    6 Mating Flange
    7 Control Unit
    NOTES
  1. Control unit (3 Rod) Standard
  2. Control unit (4 Rod) Standard
  3. Maximum working pressure is based on 190° F.
    See Temperature vs. Pressure chart for operating
    temperatures above 190° F.
  4. Test pressure is 1.5 times working pressure. Burst pressure
    is approximately 4 times maximum working pressure.
  5. The vacuum rating is based on the joint installed in the
    neutral length. Joints should not be installed in the
    extended position on vacuum applications. Please advise
    if the joint will be subjected to full vacuum. The use of an
    internal vacuum ring may be necessary.
  6. “XX” in the part number is to be replaced by the
    appropriate body material code.
  7. Designate STF in the part number when ordering a
    “FILLED ARCH” design. NOT ST.
    Size Length PHI Allowable Movement Operating Condition Weight (lbs)
    Nominal
    Diameter OAL PART
    Number-6 Axial
    Compression
    Axial
    Extension
    Lateral
    Deflection
    Angular
    Deflection
    Max w.p.
    (psi)-3,-4 Max Vacuum
    (in. of Hg)-5 Exp. Joint
  • Retaining Ring
    Control Unit
    (2 Rod)-1,-2
    2″ 6″ ST-32-“XX” 7/16″ 1/4″ 1/2″ 19° 150 26 11.50 6.75
    2-1/2″ 6″ ST-40-“XX” 7/16″ 1/4″ 1/2″ 15° 150 26 17.00 7.50
    3″ 6″ ST-48-“XX” 7/16″ 1/4″ 1/2″ 13° 150 26 18.75 7.75
    4″ 6″ ST-64-“XX” 7/16″ 1/4″ 1/2″ 10° 150 26 23.00 7.00
    5″ 6″ ST-80-“XX” 7/16″ 1/4″ 1/2″ 8° 150 26 26.75 7.50
    6″ 6″ ST-96-“XX” 7/16″ 1/4″ 1/2″ 6° 150 26 30.00 8.50
    8″ 6″ ST-128-“XX” 11/16″ 3/8″ 1/2″ 6° 150 26 44.75 11.25
    10″ 8″ ST-160-“XX” 11/16″ 3/8″ 1/2″ 5° 150 26 61.25 24.50-1
    12″ 8″ ST-192-“XX” 11/16″ 3/8″ 1/2″ 5° 150 26 84.75 26.00-1
    14″ 8″ ST-224-“XX” 11/16″ 3/8″ 1/2″ 4° 150 15 102.00 31.00-1
    16″ 8″ ST-256-“XX” 11/16″ 3/8″ 1/2″ 4° 150 15 123.00 38.50-2
    18″ 8″ ST-288-“XX” 11/16″ 3/8″ 1/2″ 3° 150 15 128.50 41.00-2
    20″ 8″ ST-320-“XX” 13/16″ 7/16″ 1/2″ 3° 150 15 151.00 41.75-2
    24″ 10″ ST-384-“XX” 13/16″ 7/16″ 1/2″ 3° 150 15 193.00 58.75-2
    Remarks
    • The joint body is available in 3 standard combinations of
    the (tube/cover): EPDM/EPDM, Neoprene/Neoprene,
    and Butyl/Butyl. The (tube/cover) are also available in
    a combination of the following additional materials on
    special order: Neoprene, EPDM, Chlorobutyl, Nitrile,
    Hypalon®, Viton®, Natural Rubber etc. Please see the
    materials table to determine what material is best for
    your application.
    • Standard flange drilling is ANSI 150#. Also available
    ANSI 25/125/250/300#, Navy, DN, BS, and JIS Drilling
    as well as others.
    • Standard flange material is carbon steel that has been
    treated with a rust inhibitor. Also available T-304, T-316
    and other alloys.
    • All Movements are non-concurrent. Contact determine if your
    concurrent movements are acceptable.
    • Please see “Control Unit” table to determine if your
    application requires control units. Control units must be
    used to protect the joint if the piping is not properly
    anchored. Control units are sold separately from the
    rubber joint.
    • Liners are available for the ST and STF style.
    Filled Arch
    OAL Open Arch
    OAL
    1/8”
    max
    Rubber Expansion Joints

    Wide Arch
    Style: WA
    Style: WAF
    Wide Arch style molded rubber expansion joints are designed with a molded integral flange and without
    a metal reinforcing collar molded into the necks of the body. Alternatively, the WA style uses a metal collar
    cast directly into the retaining ring. The WA style has a much larger arch than traditional spool type rubber
    expansion joints. This allows for greater movements and lower spring rates when compared to traditional
    spool type rubber joints. The WA style is also available in a filled arch design know as style WAF. The WA
    and WAF are a great option for an economical wide arch rubber expansion joint.
    The WAF style or filled arch will reduce allowable movements by 50%. It will also increase spring rates by
    4 times that of the WA style. The filled arch design is a great option to reduce turbulence and eliminates
    the ability of solids to settle and remain in the arch. The “filler” in the filled arch is made from a soft rubber
    material that is bonded to the ID of the traditional arch. The ID of the WAF has a one piece seamless inner
    tube eliminating the ability of the filler to come loose in service.
    Size Length PHI Allowable Movement Operating Condition Weight (lbs)
    Nominal
    Diameter OAL PART
    Number-6 Axial
    Compression
    Axial
    Extension
    Lateral
    Deflection
    Angular
    Deflection
    Max w.p.
    (psi)-3,-4 Max Vacuum
    (in. of Hg)-5 Exp. Joint
  • Flanges
    Control Unit
    (2 Rod)
    2″ 6″ WA-32-“XX” 1-3/4″ 3/4″ 3/4″ 35° 150 15 7.75 6.75
    2-1/2″ 6″ WA-40-“XX” 1-3/4″ 3/4″ 3/4″ 30° 150 15 9.75 7.50
    3″ 6″ WA-48-“XX” 1-3/4″ 3/4″ 3/4″ 30° 150 15 10.50 7.75
    4″ 6″ WA-64-“XX” 1-3/4″ 3/4″ 3/4″ 25° 150 15 14.25 7.00
    5″ 6″ WA-80-“XX” 1-3/4″ 3/4″ 3/4″ 25° 150 15 16.50 7.50
    6″ 6″ WA-96-“XX” 1-3/4″ 3/4″ 1″ 20° 150 15 18.50 8.50
    8″ 6″ WA-128-“XX” 1-3/4″ 3/4″ 1″ 20° 150 15 26.00 11.25
    10″ 8″ WA-160-“XX” 1-3/4″ 3/4″ 1″ 15° 150 15 43.00 24.50-1
    12″ 8″ WA-192-“XX” 1-3/4″ 3/4” 1″ 15° 150 15 57.00 26.00-1
    14″ 8″ WA-224-“XX” 1-3/4″ 7/8″ 1-1/8″ 12° 150 10 71.00 31.00-1
    16″ 8″ WA-256-“XX” 2″ 7/8″ 1-1/8″ 12° 150 10 75.00 38.50-2
    18″ 8″ WA-288-“XX” 2″ 7/8″ 1-1/8″ 9° 150 10 79.00 41.00-2
    20″ 8″ WA-320-“XX” 2″ 7/8″ 1-1/8″ 9° 150 10 89.00 41.75-2
    24″ 10″ WA-384-“XX” 2-1/4″ 1″ 1-1/8″ 9° 150 10 139.00 58.75-2
    30″ 10″ WA-480-“XX” 2-1/4″ 1″ 1-1/8″ 6° 150 10 140.00 124.00-2
    36″ 10″ WA-576-“XX” 2-1/4″ 1″ 1-1/8″ 5° 90 10 190.00 172.00-2
    6
    5 5
    6 6
    4 1
    2
    4
    3
    Filled Arch
    OA Open Arch L
    OAL
    Item # Part
    1 Cover
    2 Tube
    3 Carcass
    1+2+3 Body
    4 EJ Retaining Ring
    5 Metal Reinforcing Collar
    6 Mating Flange
    NOTES
  1. Control unit (3 Rod) Standard
  2. Control unit (4 Rod) Standard
  3. Maximum working pressure is based on 190° F.
    See Temperature vs. Pressure chart for operating
    temperatures above 190° F.
  4. Test pressure is 1.5 times working pressure. Burst pressure
    is approximately 4 times maximum working pressure.
  5. The vacuum rating is based on the joint installed in the
    neutral length. Joints should not be installed in the
    extended position on vacuum applications. Please advise
    if the joint will be subjected to full vacuum. The use of an
    internal vacuum ring may be necessary.
  6. “XX” in the part number is to be replaced by the
    appropriate body material code.
  7. Designate WAF in the part number when ordering a
    “FILLED ARCH” design. NOT WA.
    Remarks
    • The joint body is available in 3 standard combinations of
    the (tube/cover): EPDM/EPDM, Neoprene/Neoprene,
    and Butyl/Butyl. The body components (tube/cover)
    are also available in a combination of the following
    additional materials on special order: Neoprene, EPDM,
    Chlorobutyl, Nitrile, Hypalon®, Viton®, Natural Rubber
    etc. Please see the materials table to determine what
    material is best for your application.
    • Standard flange drilling is ANSI 125/150#. Other drillings
    available on request.
    • Standard flange material is carbon steel that has been
    treated with a rust inhibitor. Also available T-304, T-316
    and other alloys.
    • All Movements are non-concurrent. Contact
    • Please see “Control Unit” table to determine if your
    application requires control units. Control units must be
    used to protect the joint if the piping is not properly
    anchored. Control units are sold separately from the
    rubber joint.
    Filled Arch
    OA Open Arch L
    OAL

    Threaded Union
    Style: TU
    Threaded Union style molded rubber expansion joints are the choice when an economical threaded
    pipe connection is needed. The TU is engineered to absorb thermal movement, offset and misalignment in
    piping systems. The TU style is an excellent choice to absorb and isolate vibration. Use the TU to protect
    your system from start-up forces as well as system surges. There is no need to worry about Electrolysis
    when using a TU. Due to the design of the TU having a rubber body it eliminates metal to metal contact
    stopping the electrolytic process.
    The TU comes standard with galvanized ductile iron female unions. Stainless T-304, T-316 and Bronze unions
    are also available. The TU rubber expansion joint comes standard and in stock in 100% EPDM and 100%
    Neoprene for same day shipment. The body components (tube/cover) are also available in a combination
    of the following additional materials on special order: Neoprene, EPDM, Chlorobutyl, Nitrile, Hypalon®,
    Viton®, Natural Rubber etc. Please see the materials table to determine what material is best for your
    application. The TU is also available on special request with the following female union threads: BSPP,
    BSPT and other standards.
    1/2″ TU-08-“XX” 150 26″ 250° F 8.0″ 7.35″ 8.12″ 7.13″ 8.23″ 7.20″ 0.87″ 0.23″ ± 0.87″ ± 32.2° 0.92″ 6.16″ 1.08
    3/4″ TU-12-“XX” 150 26″ 250° F 8.0″ 7.35″ 8.12″ 7.13″ 8.23″ 7.10″ 0.87″ 0.23″ ± 0.87″ ± 32.2° 1.00″ 6.00″ 1.54
    1″ TU-16-“XX” 150 26″ 250° F 8.0″ 7.35″ 8.12″ 7.13″ 8.23″ 7.10″ 0.87″ 0.23″ ± 0.87″ ± 25.3° 1.25″ 5.50″ 2.65
    1-1/4″ TU-20-“XX” 150 26″ 250° F 8.0″ 7.35″ 8.12″ 7.13″ 8.23″ 7.00″ 0.87″ 0.23″ ± 0.87″ ± 20.7° 1.25″ 5.50″ 3.48
    1-1/2″ TU-24-“XX” 150 26″ 250° F 8.0″ 7.35″ 8.12″ 7.13″ 8.23″ 6.70″ 0.87″ 0.23″ ± 0.87″ ± 17.5° 1.35″ 5.30″ 4.32
    2″ TU-32-“XX” 150 26″ 250° F 8.0″ 7.35″ 8.12″ 7.13″ 8.23″ 6.70″ 0.87″ 0.23″ ± 0.87″ ± 13.3° 1.60″ 4.80″ 5.71
    2-1/2″ TU-40-“XX” 150 26″ 250° F 9.6″ 8.95″ 9.72″ 7.13″ 8.23″ 8.10″ 0.87″ 0.23″ ± 0.87″ ± 10.7° 2.00″ 5.60″ 9.38
    3″ TU-48-“XX” 150 26″ 250° F 9.6″ 8.95″ 9.72″ 7.13″ 8.23″ 7.60″ 0.87″ 0.23″ ± 0.87″ ± 8.9° 2.00″ 5.60″ 11.62 Nominal Diameter PART Number-5,-6 Max w.p. (psi)-2,-3 Max Vacuum (in. of Hg)-4 Max Temperature-2 Neutral OAL Min Installed Max Installed Max Compressed Max Extended Recommended Pipe Opening Axial Compression Axial Extension Lateral Deflection Angular Deflection OAL Fitting OAL Body With Female NPT Unions
    4 1
    2
    4
    OAL
    OAL Body
    OAL Fitting OAL Fitting
    3
    5
    Item # Part
    1 Cover
    2 Tube
    3 Carcass
    1+2+3 Body
    4 Union
    5 Root Ring
    NOTES
  8. All Movements are non-concurrent. Expansion Joints to determine if your concurrent movements are acceptable.
  9. Maximum working pressure is based on 190° F. See Temperature vs. Pressure chart for operating temperatures above 190° F.
  10. Test pressure is 1.5 times working pressure. Burst pressure is approximately 4 times maximum working pressure.
  11. The vacuum rating is based on the joint installed in the neutral length. Joints should not be installed in the extended
    position on vacuum applications.
  12. “XX” in the part number is to be replaced by the appropriate body material code.
  13. 1/2” and 3/4” TU do not have root rings as shown.
    Size PHI Operating Condition OAL Length Allowable Movement-1 Dimensions Weight
    (lbs)
    Rubber Expansion Joints

    Temperature vs. Working Pressure
    Style: SA + DA (Sizes 1” – 12”)
    Pressure Rating (PSI)
    Temperature (°F)
    Pressure Rating (PSI)
    Temperature (°F)
    Style: SA + DA (Sizes 14” – 24”) | Style: ST + WA (Sizes 1” – 24”)
    Temperature (°F)
    Style: TU (Sizes 1/2” – 3”)
    Pressure Rating (PSI)

    Control Units
    Style: LR
    Style: CR and CS
    A control unit assembly is a system of two or more control rods (also known as tie rods) placed across an expansion joint from flange to
    flange to minimize possible damage to the expansion joint caused by excessive motion of the pipeline. The control rod assemblies are set
    at the maximum allowable expansion and/or contraction of the joint and will absorb the static pressure thrust developed at the expansion
    joint. When used in this manner, they are an additional safety factor, minimizing possible failure of the expansion joint and possible damage
    to the equipment. Control units will adequately protect the joints, but the user should be sure that the pipe flange strength is sufficient to
    withstand total force that will be encountered.
    Extension
    Control units must be used when it is not feasible in a given structure to provide adequate anchors in the proper location. In such cases,
    the static pressure thrust on the system will cause the expansion joint to extend to the limit set by the control rods which will then
    preclude the possibility of further motion that would over-elongate the joint. Despite the limiting action that control rods have on the
    joint, they must be used when proper anchoring cannot be provided. It cannot be empasized too strongly that rubber expansion joints,
    by virtue of their function, are not designed to take end thrusts and, in all cases where such are likely to occur, proper anchoring is
    essential. If this fact is ignored, premature failure of the expansion joint is a forgone conclusion.
    Control units are avaliable on all our rubber expansion joints, NOT just the style SA illustrated below.
    STYLE: LR
    LIMIT ROD
    STYLE: CR
    CONTROL ROD
    STYLE: CS
    COMPRESSION SLEEVE
    STYLE: LR
    LIMIT ROD
    STYLE: CR
    CONTROL ROD
    STYLE: CS
    COMPRESSION SLEEVE
    Style: LR
    Limit Rod
    Style: CR
    Control Rod
    Style: CS
    Compression Sleeve
    Style: LR
    Our standard control unit is the LR or Limit Rod
    style. The LR style will ONLY limit extension.
    Unless specifically specified the LR style will
    be supplied when “control units” are called out
    when ordered. If compression is a factor style
    CR or CS should be used.
    Style: CR and CS
    Our CR and CS control unit should be used when compression outside the designed
    stated limits of the joint could or will be a factor in the service of the expansion joint.
    Both the CR and CS control units will acomplish the same end result. The style CR utilizes
    inside nuts where the style CS utilizes a pipe sleeve cut to a predetermined length.
    We recommend the style CR.
    6
    7
    8
    6
    9
    9
    6
    1 2 5 3 4
    Item # Part
    1 Outside Nuts
    2 Inside Nuts
    3 Rubber Washer
    4 Metal Washer
    5 Control Rod
    6 Control Plate
    7 Compression Sleeve
    8 EJ Flange
    9 Mating Flange
    10 Flange Bolt and Nut
    6
    7
    8
    6
    9
    9
    6
    1 2 5 3 4
    6
    7
    8
    6
    9
    9
    6
    1 2 5 3 4
    Typical end view of a 2
    rod control unit, the rods
    should be equally spaced
    around the joint.
    As an option sperical washers can be
    utilized on the control unit when significant
    lateral offsets are encountered.
    Rubber Expansion Joints
    Control Units and Guide to Elastomers

    Maximum Pressures for
    Unanchored Control Units
    Test-Design-Surge-Operating
    Nominal
    Pipe Size
    STYLE
    SA, ST, STF
    WA, WAF DA
    1”- 4” 175 130
    5”- 10” 130 130
    12”- 14” 85 85
    16”- 24” 40 40
    26”- 30” 30 30
    Rating Scale: 7 Outstanding 6 Excellent 5 Very Good 4 Good 3 Fair to Good 2 Fair 1 Poor To Fair 0 Poor X Contact Manufacture
    Nominal
    Pipe Size
    Maximum
    Control Rod
    Plate O.D.
    Maximum
    Rod
    Thickness
    Maximum
    Control Plate
    Thickness
    Maximum Test or Surge Pressure of the System
    Number of Control Rods Recommended
    In Inches 2 3 4 6 8
    1.00″ 8.375” 1/2″ 7/16″ 949 X X X X
    1.25″ 9.750” 1/2″ 7/16″ 830 X X X X
    1.50″ 9.875” 1/2″ 7/16″ 510 X X X X
    2.00″ 11.250” 5/8″ 7/16″ 661 X X X X
    2.50″ 12.250” 5/8″ 7/16″ 529 X X X X
    3.00″ 13.250” 5/8″ 7/16″ 441 X X X X
    3.50″ 12.625” 5/8″ 7/16″ 365 547 729 X X
    4.00″ 13.500” 5/8″ 7/16″ 311 467 622 X X
    5.00″ 14.500” 5/8″ 7/16″ 235 353 470 X X
    6.00″ 15.500” 5/8″ 7/16″ 186 278 371 X X
    8.00″ 19.125” 3/4″ 7/16″ 163 244 326 X X
    10.00″ 21.625” 7/8″ 3/4″ 163 244 325 488 X
    12.00″ 24.625” 1.00″ 3/4″ 160 240 320 481 X
    14.00″ 26.625” 1.00″ 3/4″ 112 167 223 335 X
    16.00″ 30.125” 1-1/8″ 3/4″ 113 170 227 340 453
    18.00″ 31.625” 1-1/8″ 3/4″ 94 141 187 181 375
    20.00″ 34.125” 1-1/8″ 3/4″ 79 118 158 236 315
    22.00″ 36.125” 1-1/4″ 1.00″ 85 128 171 256 342
    24.00″ 38.625” 1-1/4″ 1.00″ 74 110 147 221 294
    26.00″ 40.825” 1-1/4″ 1.00″ 62 93 124 186 248
    28.00″ 44.125” 1-3/8″ 1.25″ 65 98 130 195 261
    30.00″ 46.375” 1-1/2″ 1.25″ 70 105 141 211 281
    32.00″ 49.375” 1-1/2″ 1.25″ 63 94 125 188 251
    34.00″ 51.375” 1-5/8″ 1.50″ 72 107 143 215 286
    36.00″ 53.625” 1-3/4″ 1.50″ 69 103 138 207 276
    Control Unit
    NEOPRENE
    Chloroprene 5 6 5 5 4 4 4 4 5 4 2 5 4 2 4 5 3 4 5 4 6 4 3 2 1 0 4 4 0 4 3 4 BC
    BE CR
    GUM RUBBER
    Polyisoprene, Synthetic 0 2 0 4 2 5 0 5 7 2 6 6 6 4 6 6 5 5 6 0 3 3 0 0 4 0 0 X X X 3 5 AA NR
    NATURAL RUBBER
    Polyisoprene, Synthetic 0 2 0 4 2 5 0 5 6 2 2 6 6 4 6 6 5 5 6 0 3 3 0 0 4 0 0 X X X 3 5 AA IR
    BUTYL
    Isobutene-Isoprene 6 5 5 6 5 4 0 4 4 6 2 5 0 3 4 5 5 5 4 0 6 4 0 0 4 3 0 4 4 5 6 5 AA IIR
    CHLOROBUTYL
    Chloro-Isobutene-Isoprene 6 5 5 6 5 4 0 4 4 6 2 5 0 3 4 5 5 5 4 0 6 4 0 0 4 3 0 4 4 5 6 5 AA
    BA CIIR
    BUNA-N/NITRILE
    Nitril-Butadiene 2 2 0 4 4 3 0 3 4 4 5 4 4 5 5 0 1 4 5 5 4 4 6 4 0 2 5 4 0 5 3 4 BE
    BK
    CH NBR
    SBR/GRS/BUNA-S
    Styrene-Butadiene 0 2 0 2 3 5 0 3 5 2 4 4 4 4 5 4 5 5 6 0 3 3 0 0 4 0 0 4 2 X 3 5 AA SBR
    HYPALON® Chloro-Sulfonyl-Polyethyene 7 6 7 6 4 4 4 3 4 4 2 4 2 2 2 5 3 4 5 4 6 4 3 2 1 3 4 4 4 4 6 5 CE CSM
    VITON® Fluorocarbon Elastomer 7 7 7 7 7 2 6 2 5 5 5 4 2 6 5 5 3 5 5 6 5 5 6 6 0 1 6 4 0 6 6 5 HK FKM
    EPDM
    Ethtlene-PropyleneDiene-Terpolymer
    7 6 7 6 6 5 0 4 5 4 5 6 6 4 5 7 6 6 7 0 6 4 0 0 6 3 0 6 6 5 6 5
    BA
    CA
    DA
    EPR
    PTFE/TFE/FEP
    Fluoro-Ethylene-Polyymers 7 7 7 7 7 X X X 4 X X X X X X X X 7 3 7 7 7 7 7 7 7 7 7 7 7 7 7 AFMU
    SILICONE 6 6 6 6 7 6 2 2 0 2 0 6 6 3 0 4 6 6 5 2 6 2 0 0 2 0 X 2 0 5 5 5 GE SI Ozone Weather Sunlight Oxidation Heat Cold Flame Tear Abrasion Impermeability Dynamic Rebound-Hot Rebound-Cold Compresion Set Tensile Strength Dielectric Strength Electric Insulation Water Absorpsion Radiation Swelling in Oil Acid Diluted Acid Concentrated Alphatic Hydro Armoatic Hydro Oxygenated Hydro Laquers Oil & Gas Alkali Diluted Alkali Concentrated Animal & Vegtable Oil Chemical Water ASTM-D-2000/D1418-77 ANSI/ASTM D1418-77
    COMMON NAME
    Chemical Group Name
    Elastomer Physical and Chemical Properties Comparision
    SA-48-EE-304

    How to Order
    Rubber Expansion Joints
    Control Units
    Sold Separately LR-48-S-304
    Style (Control Unit)
    S SA, WA, WAF, ST, STF
    L DA
    Size Length (Short / Long) Alloy
    Style (Joint) Size (Pipe) Body Material (Tube / Cover) Fitting Hardware (Alloy)
    WARNING: Instructions Control Units must be used to protect this part from excessive movement if piping is not properly anchored. Expansion Joints may
    operate in pipelines or equipment carrying fluids and/or gases at elevated temperatures and pressures. Normal precautions should be taken to make sure
    these parts are installed correctly and inspected regularly. Precautions should be taken to protect personnel in the event of leakage or splash.
    HYPALON TUBE
    HYPALON COVER
    TYPE: HH
    BUTYL TUBE
    BUTYL COVER
    TYPE: BB
    For General Services
    HYPALON TUBE
    HYPALON COVER
    TYPE: NH
    For General Services
    NATURAL RUBBER TUBE
    NATURAL RUBBER COVER
    TYPE: NR
    For General Services
    NITRILE TUBE
    NEOPRENE COVER
    TYPE: NP
    For General Services
    EPDM TUBE
    EPDM COVER
    TYPE: EE
    For General Services
    NITRILE TUBE
    NITRILE COVER
    TYPE: BN
    For General Services
    EPDM TUBE
    NEOPRENE COVER
    TYPE: EN
    For General Services
    VITON TUBE
    VITO COVER
    TYPE: FKM
    NEOPRENE TUBE
    NEOPRENE COVER
    TYPE: NN
    For General Services
    Limit Rod LR
    Control Rod CR
    Compression Sleeve CS
    304 T-304 STAINLESS
    316 T-316 STAINLESS
    BZ BRONZE
    Leave Blank = If ZP.
    See above
    Elastomer Labels
    1/2″ 08
    3/4″ 12
    1″ 16
    1-1/4″ 20
    1-1/2″ 24
    2″ 32
    2-1/2″ 40
    3″ 48
    3-1/2″ 56
    4″ 64
    5″ 80
    6″ 96
    8″ 128
    10″ 160
    12″ 192
    14″ 224
    16″ 256
    18″ 288
    20″ 320
    22″ 352
    24″ 384
    BB BUTYL / BUTYL
    EE EPDM / EPDM
    HH HYPALON / HYPALON
    NH HYPALON / NEOPRENE
    NR NATURAL RUBBER / NATURAL RUBBER
    NN NEOPRENE / NEOPRENE
    NP NITRILE / NEOPRENE
    BN NITRILE / NITRILE
    EN EPDM / NEOPRENE
    FKM VITON / VITON
    304 T-304 STAINLESS
    316 T-316 STAINLESS
    BZ BRONZE
    ZP ZINC PLATED CARBON STEEL
    GV GALVANIZED (TU STYLE STANDARD)
    Leave Blank = If ZP or GV.
    Single Arch SA
    Dual Arch DA
    Wide Arch WA
    Wide Arch Filled WAF
    Spool Type ST
    Spool Type Filled STF
    Threaded Union TU
    1 Set: Consists of the following
    1
    || – 8|| = 2 RODS/SET
    10|| – 14|| = 3 RODS/SET
    16|| – 24|| = 4 RODS/SET
    26|| and UP = Consult MFG
    Rubber Expansion Joints

    Standard Flange Dimensions
    Nominal
    Pipe
    Size
    25/125/150 LB. DRILLING 250/300 LB. DRILLING NAVY DRILLING
    COMMON SIZE BOLT HOLE DIAMETER
    Drilling Column
    O.D. B.C. DIA. No. B.H. 1 2 3 4 O.D. B.C. DIA. No. B.H. B.H. DIA. O.D. B.C. DIA. No. B.H. B.H. DIA.
    Does not meet SMM SP-44. PN Flange Specifications Nominal PN6 PN10 PN16 PN25 PN40 O.D. B.C. DIA. No. B.H. B.H. DIA. O.D. B.C. DIA. No. B.H. B.H. DIA. O.D. B.C. DIA. No. B.H. B.H. DIA. O.D. B.C. DIA. No. B.H. B.H. DIA. O.D. B.C. DIA. No. B.H. B.H. DIA. DN 25 3.94 2.95 4 0.55 4.53 3.35 4 0.55 4.53 3.35 4 0.55 4.53 3.35 4 0.55 4.53 3.35 4 0.55 DN 32 4.72 3.54 4 0.55 5.51 3.94 4 0.71 5.51 3.94 4 0.71 5.51 3.94 4 0.71 5.51 3.94 4 0.71 DN 40 5.12 3.94 4 0.55 5.91 4.33 4 0.71 5.91 4.33 4 0.71 5.91 4.33 4 0.71 5.91 4.33 4 0.71 DN 50 5.51 4.33 4 0.55 6.50 4.92 4 0.71 6.50 4.92 4 0.71 6.50 4.92 4 0.71 6.50 4.92 4 0.71 DN 65 6.30 5.12 4 0.55 7.28 5.71 4 0.71 7.28 5.71 4 0.71 7.28 5.71 8 0.71 7.28 5.71 8 0.71 DN 80 7.48 5.91 4 0.71 7.87 6.30 8 0.71 7.87 6.30 8 0.71 7.87 6.30 8 0.71 7.87 6.30 8 0.71 DN 100 8.27 6.69 4 0.71 8.66 7.09 8 0.71 8.66 7.09 8 0.71 9.25 7.48 8 0.87 9.25 7.48 8 0.87 DN 125 9.45 9.45 8 0.71 9.84 9.84 8 0.71 9.84 9.84 8 0.71 10.63 10.63 8 1.02 10.63 10.63 8 1.02 DN 150 10.43 8.86 8 0.71 11.22 9.45 8 0.87 11.22 9.45 8 0.87 11.81 9.84 8 1.02 11.81 9.84 8 1.02 DN 175 —- —- —- —- 12.40 10.63 8 0.87 12.40 10.63 8 0.87 12.99 11.02 12 1.02 13.78 11.61 12 1.18 DN 200 12.60 11.20 8 0.71 13.39 11.61 8 0.87 13.39 11.61 12 0.87 14.17 12.20 12 1.02 14.76 12.60 12 1.18 DN 250 14.76 13.19 12 0.71 15.55 13.78 12 0.87 15.94 13.98 12 1.02 16.73 14.57 12 1.18 17.72 15.16 12 1.30 DN 300 17.32 15.55 12 0.87 17.52 15.75 12 0.87 18.11 16.14 12 1.02 19.09 16.93 16 1.18 20.28 17.72 16 1.30 DN 350 19.29 17.52 12 0.87 19.88 18.11 16 0.87 20.47 18.50 16 1.02 21.85 19.29 16 1.30 22.83 20.08 16 1.42 DN 400 21.26 19.49 16 0.87 22.24 20.28 16 1.02 22.83 20.67 16 1.18 24.41 21.65 16 1.42 25.98 23.03 16 1.54 DN 500 25.39 23.62 20 0.87 26.38 24.41 20 1.02 28.15 25.59 20 1.30 28.74 25.98 20 1.42 29.72 26.38 20 1.65 DN 600 29.72 27.76 20 0.94 30.71 28.54 20 1.06 33.07 30.31 20 1.30 33.27 30.31 20 1.42 —- —- —- —- Expansion Joints can also furnish standards: API Standard 605, British Standard 10:1962, DIN 2633 and ISO 2084 + 2536, and others standards on request. 1/4 2-1/2 1-11/16 4 7/16 3-1/4 2-1/8 3 9/16 3/8 2-1/2 1-11/16 4 7/16 3-3/8 2-1/4 3 9/16 1/2 3-1/2 2-3/8 4 5/8 5/8 3-3/4 2-5/8 4 5/8 3-9/16 2-7/16 3 9/16 3/4 3-7/8 2-3/4 4 5/8 5/8 4-5/8 3-1/4 4 3/4 3-13/16 2-11/16 4 9/16 1 4-1/4 3-1/8 4 5/8 5/8 4-7/8 3-1/2 4 3/4 4-1/4 3-1/8 4 9/16 1-1/4 4-5/8 3-1/2 4 5/8 5/8 5-1/4 3-7/8 4 3/4 4-1/2 3-3/8 4 9/16 1-1/2 5 3-7/8 4 5/8 5/8 6-1/8 4-1/2 4 7/8 5-1/16 3-15/16 6 9/16 2 6 4-3/4 4 3/4 3/4 6-1/2 5 8 3/4 5-9/16 4-7/16 6 9/16 2-1/2 7 5-1/2 4 3/4 3/4 7-1/2 5-7/8 8 7/8 6-1/8 5 6 9/16 3 7-1/2 6 4 3/4 3/4 8-1/4 6-5/8 8 7/8 6-5/8 5-1/2 8 9/16 3-1/2 8-1/2 7 8 3/4 3/4 9 7-1/4 8 7/8 7-3/16 6-1/16 8 9/16 4 9 7-1/2 8 3/4 3/4 3/4 3/4 10 7-7/8 8 7/8 7-11/16 6-9/16 8 9/16 4-1/2 8-3/16 7-1/16 10 9/16 5 10 8-1/2 8 7/8 3/4 7/8 3/4 11 9-1/4 8 7/8 9-1/16 7-13/16 10 11/16 5-1/2 9-9/16 8-5/16 10 11/16 6 11 9-1/2 8 7/8 3/4 7/8 3/4 12-1/2 10-5/8 12 7/8 1 0-1/8 8-7/8 12 11/16 6-1/2 10-5/8 9-3/8 12 11/16 7 11-5/16 10 12 11/16 7-1/2 11-7/8 10-9/16 12 11/16 8 13-1/2 11-3/4 8 7/8 3/4 7/8 3/4 15 13 12 1 12-3/8 11-1/16 14 11/16 8-1/2 12-15/16 11-5/8 14 11/16 9 13-15/16 12-3/8 14 13/16 9-1/2 14-1/2 12-15/16 14 13/16 10 16 14-1/4 12 1 3/4 1 3/4 17-1/2 15-1/4 16 1-1/8 15 13-7/16 15 13/16 11 16-9/16 15 16 13/16 12 19 17 12 1 3/4 1 3/4 20-1/2 17-3/4 16 1-1/4 17-5/8 16-1/16 18 13/16 14 21 18-3/4 12 1-1/8 7/8 1-1/8 7/8 23 20-1/4 20 1-1/4 19-1/8 17-3/8 19 15/16 16 23-1/2 21-1/4 16 1-1/8 7/8 1-1/8 7/8 25-1/2 22-1/2 20 1-3/8 21-3/16 19-7/16 20 15/16 18 25 22-3/4 16 1-1/4 7/8 1-1/4 7/8 28 24-3/4 24 1-3/8 23-1/4 21-1/2 22 15/16 20 27-1/2 25 20 1-1/4 7/8 1-1/4 7/8 30-1/2 27 24 1-3/8 25-13/16 23-13/16 24 1-1/16 22 29-1/2 27-1/4 20 1-3/8 7/8 33 29-1/4 24 1-5/8 27-7/8 25-7/8 26 1-1/16 24 32 29-1/2 20 1-3/8 7/8 1-3/8 7/8 36 32 24 1-5/8 30 28 28 1-1/16 25 31-1/2 29-1/4 29 1-3/16 26 34-1/4 31-3/4 24 1-3/8 7/8 38-1/4 34-1/2 28 1-3/4 32-9/16 30-6/16 30 1-3/16 28 36-1/2 34 28 1-3/8 7/8 40-3/4 37 28 1-3/4 34-11/16 32-7/16 32 1-3/16 30 38-3/4 36 28 1-3/8 1 1-3/8 1 43 39-1/4 28 2 36-13/16 34-9/16 35 1-3/16
    32 41-3/4 38-1/2 28 1-5/8 1 45-1/4 41-1/2 28 2 39 36-3/4 36 1-3/16
    33 40 37-3/4 36 1-3/16
    34 43-3/4 40-1/2 32 1-5/8 1 47-1/2 43-1/2 28 2 41 38-3/4 36 1-3/16
    35 42-7/8 40-3/8 36 1-5/16
    36 46 42-3/4 32 1-5/8 1 1-5/8 1 50 46 32 2-1/4* 43-7/8 41-3/8 36 1-5/16
    38 48-3/4 45-1/4 32 1-5/8 1 56 43 32 1-5/8 46-1/8 43-5/8 36 1-5/16
    40 50-3/4 47-1/4 36 1-5/8 1-1/8 1-5/8 1 48-3/4 45-1/2 32 1-3/4 48-1/8 45-5/8 36 1-5/16
    42 53 49-1/2 36 1-5/8 1-1/8 57* 52-3/4* 36* 2-1/4* 50-1/4 47-3/4 38 1-5/16
    44 55-1/4 51-3/4 40 1-5/8 1-1/8 53-1/4 49-3/4 32 1-5/8
    46 57-1/4 53-3/4 40 1-5/8 1-1/8 55-3/4 52 28 2 54-1/2 52 40 1-5/16
    48 59-1/2 56 44 1-5/8 1-1/8 1-5/8 1-1/8 65* 60-3/4* 40* 2-1/4*
    Specifications: 25/125/150 LB. DRILLING
    ANSI B16.1-1975 Class 25 – 2
    ANSI B15.1-1975 Class 125 – 1
    ANSI B16.24-1971 – 1
    ANSI B16.5 Class 125/150 – 3
    AWWA C207-78
    Tbl 1 & 2, Class D, Tbl 3, Class E – 3
    AWW C207-78 Tbl 1 & 2, Class B – 4
    MSS SP-44 1975 Class 150 – 1
    SS SP-51 1965 MSS 150# – 1
    Specifications: 250/300 LB. DRILLING
    ANSI B16.1-1975 Class 250
    ANSI B16.24-1971 300 lb.
    ANSI B16.5-1973 Class 300
    MSS SP-44-1975 Class 300
    Specifications: NAVY DRILLING
    MIL-F-20042C – 50 lb.
    MIL-F-20042C – 150 lb.
    BU Ships Drawing B.176

    Abrasion Resistance: The ability to withstand the
    wearing effect of a rubbing surface. In elastomers,
    abrasion is a complicated process, often affected
    more by compounding and curing than by the
    elastomer. Soft, resilient compounds, such as pure
    gum rubber are frequently specified.-1
    Ambient Temperature: The environment temperature surrounding the object under construction.-1
    Anchor: Terminal point or fixed point in a piping
    system from which directional movement occurs.-1
    Angular Movement: The movement which occurs
    when one flange of the expansion joint is moved
    to an out of parallel position with the other flange.
    Such movement being measured in degrees.-1
    Arch: The portion of an expansion joint which
    accommodates the movement of the joint.-1
    Atmospheric Cracking: Cracks produced on
    the surface of rubber articles by exposure to
    atmospheric conditions, especially sunlight,
    ozone and pollution. Chlorobutyl, EPDM,
    Neoprene and Fluoroelastomers are all highly
    resistant compounds.-1
    Axial Compression: The dimensional reduction or
    shortening in the Face to Face parallel length of
    the joint measured along the longitudinal axis.-1
    Axial Elongation: The dimensional increase or
    lengthening in the Face to Face parallel length of
    the joint measured along the longitudinal axis.-1
    Axial Extension: The dimensional lengthening of
    an expansion joint parallel to its longitudinal axis.
    Such movement being measured in inches or
    millimeters.-1 See Axial Elongation
    Back-up Rings: See Retaining Rings
    Bellows: See Arch or Expansion Joint
    Blister: A raised spot on the surface or a
    separation between layers, usually forming a
    void or air-filled space in the rubber article.-1
    Bloom: A natural discoloration or change in
    appearance of a surface of the rubber product
    caused by the migration of a liquid or solid to
    the surface. Examples: sulfur bloom, wax bloom.
    Not to be confused with dust on the surface from
    external sources.-1
    Body: The body consists of the Cover, Carcass
    and Tube.
    Body Rings: See Metal Reinforcement
    Bolt Hole Pattern or Drill Pattern: The systematic
    location of bolt holes in the expansion joint flanges
    where joint is to be bolted to mating flanges.-1
    Bore: A fluid passageway, normally the inside
    diameter of the expansion joint.-1
    Burst Test: A test to measure the pressure at
    which an expansion joint bursts.-1
    Carcass: The carcass or body of the expansion
    joint consist of fabric and, when necessary, metal
    reinforcement.-1 See Body
    Chalking: Formation of a powdery surface
    condition due to disintegration of surface binder
    or elastomer, due in turn to weathering or other
    destructive environments.-1
    Compression Set: The deformation which
    remains in rubber after it has been subjected to
    and released from a specific compressive stress
    for a definite period of time, at a prescribed
    temperature.-1
    Concurrent Movements: Combination of two
    or more types of movement.-1
    Conductive: A rubber having qualities of
    conducting or transmitting heat or electricity.
    Most, generally applied to rubber products
    capable of conducting static electricity.-1
    Control Rods or Units: Devices usually in the
    form of tie rods, attached to the expansion joint
    assembly whose primary function is to restrict
    the bellows axial movement range during normal
    operation. In the event of a main anchor failure,
    they are designed to prevent bellows over extension or over-compression while absorbing
    the static pressure thrust at the expansion joint,
    generated by the anchor failure.-1 The definition
    of “Control Rods” when used in reference to
    rubber expansion joints differs than when used in
    reference to metal expansion joints. The definition
    above is the definition when used in reference to
    rubber expansion joints.
    Convolution: See Arch
    Cover: The exterior surface of the joint is formed
    from natural or synthetic rubber, depending
    on service requirements. The prime function of
    the cover is to protect the carcass from outside
    damage or abuse. Special polymers can be
    supplied to resist chemicals, oils, sunlight, acid
    fumes, and ozone. Also, a protective coating
    may be applied to the exterior of the joint for
    additional protection.-1 The definition of a metal
    expansion joint “cover” is totally different and
    should not be confused with the definition of a
    rubber expansion joint “cover”
    defined above.
    Cracking: See Atmospheric Cracking, Flex Cracking
    Crazing: See Atmospheric Cracking
    Cycle Life: One full movement cycle is defined as
    the sum of the total movements incurred when an
    expansion joint fully compresses from the neutral
    position then moves to the position of maximum
    allowed elongation and finally returns to neutral.
    Cycle life depends not only on the amount of
    movement, but also on the frequency of cycles or
    cycle rate. Cycle life can also be affected by
    installation practices, temperature and type of
    media being handled.-1
    Design Pressure: The maximum high temperature
    that the expansion joint is designed to handle
    during normal operating conditions. Not to be
    confused with excursion temperature.-1
    Diameter Inside: The length of a straight line
    through the geometric center and terminating at
    the inner periphery of an expansion joint.-1
    Directional Anchor: A directional or sliding anchor
    is one which is designed to absorb loading in
    one direction while permitting motion in another.
    It may be either a main or intermediate anchor,
    depending upon the application involved. When
    designed for the purpose, a directional anchor
    may also function as a pipe alignment guide.-1
    Direct Shear: See Lateral Deflection
    Drill Pattern: The systematic location of bolt
    holes on the mating flange to which the expansion
    joint will be attached. Usually meets a specific
    specification.-1
    Durometer: A measurement of the hardness of
    rubber.-1 See Hardness
    Eccentricity: A condition in which the inside and
    outside of two diameters deviate from a common
    center.-1
    Electrical Resistivity: The resistance between
    opposite parallel faces of material having a unit
    length and unit cross section. Typically measured
    in ohms/cm.-1
    Elongation: Increase in length expressed numerically
    as a fraction or a percentage of initial length.-1
    Enlarged End: An end with inside diameter greater
    that that of the main body of an expansion joint.-1
    Expansion Joint: Any device containing one or
    more bellows used to absorb dimensional changes,
    such as those caused by thermal expansion or
    contraction of a pipeline, duct or vessel.-2
    Fabric Reinforcement: The carcass fabric
    reinforcement is the flexible and supporting
    member between the tube and cover. Standard
    constructions normally utilize high quality synthetic
    fabric. Natural fabrics can also be used at some
    pressures and temperatures. All fabrics are
    impregnated with rubber or synthetic compounds
    to permit flexibility between the fabric plies.-1
    Face to Face: Dimension between the pipe flange
    faces to which the expansion joint will be bolted.
    This is also the length of the expansion joint
    when the system is in the cold position.-1
    See Pre-compression and Pre-set.
    Definitions
    Rubber Expansion Joints

    Filled Arch: Arch-type expansion joints may be
    supplied with a bonded-in-place soft rubber filler
    to provide a smooth interior bore. Filled arch
    joints also have a seamless tube so the arch filler
    cannot be dislodged during service. Filled arches,
    built as an integral part of the carcass, decrease
    the flexibility of the joint and should be used
    only when necessary. Movements of expansion
    joints with filled arched are limited to 50% of the
    normal movements of comparable size expansion
    joints with unfilled (open) arches.-1
    Flex Cracking: A surface cracking induced by
    repeated bending or flexing.-1
    Floating Flange: A metal flange which is grooved
    to contain the bead on each end of the expansion
    joint. The flange floats until lined up with mating
    bolt holes and bolted in place, and is used on
    spherical expansion joints.-1
    Hardness: Property or extent of being hard.
    Measured by extent of failure of the indentor
    point of any one of a number of standard hardness
    testing instruments to penetrate the product.-1
    See Durometer
    Heat Resistance: The ability of rubber articles
    to resist the deteriorating effects of elevated
    temperatures.-1
    Hydrostatic Test: Hydrostatic pressure testing
    involves filling the expansion joint with a liquid,
    usually potable water. After the expansion joint
    is filled it can then be pressurized to the required
    test pressure.-2 If required, joints can be
    hydrostatic tested up to 1.5 times the maximum
    allowable working pressure of the product, for a
    minimum of 10 minutes without leaks.-1
    Installed Length: See Face to Face
    Lateral Deflection: The relative displacement of
    the two ends of an expansion joint perpendicular
    to its longitudinal axis. This has been referred
    to as lateral offset, lateral movement, parallel
    misalignment, direct shear, or transverse movement.-2
    Lateral Movement: See Lateral Deflection
    Lateral Offset: See Lateral Deflection
    Limit Rods: The definition of “Limit Rods” when
    used in reference to rubber expansion joints differs
    than when used in reference to metal expansion
    joints. See Control Units
    Main Anchor: A main anchor is one which must
    withstand all of the thrust due to pressure, flow,
    and spring forces of the system.-1
    Maximum Burst: Is the theoretical (predetermined)
    burst pressure of an expansion joint.-1
    Metal Reinforcement: Wire or solid steel rings
    imbedded in the carcass are frequently used
    as strengthening members of the joint. The use
    of metal sometimes raises the rated working
    pressure and can supply rigidity to the joint for
    vacuum service.-1
    Misalignment: The out of line condition that
    exists between the adjacent faces of the flanges-1
    Movements: The dimensional changes which
    the expansion joint is designed to absorb, such
    as those resulting from thermal expansion or
    contraction. See Angular Movement, Concurrent
    Movement, Resultant Movement, Lateral Movement,
    Torsional Movement, Thermal Movement,
    Transverse Movement.-1
    OAL: Alternative term for the Face to Face
    dimension of the overall length of an expansion
    joint.-1
    Oil Resistant: The ability to withstand the
    deteriorating effects of oil (generally refers to
    petroleum) on the physical properties.-1
    Oil Swell: The change in the volume of rubber
    due to absorption of oil.-1
    Open Arch: The Arch or the Convolution is not
    filled it is open with no filler. The opposite of
    Open Arch is Filled Arch. See Filled Arch
    Operating Temperature: The temperature at
    which the system will generally operate during
    normal conditions.-1
    Parallel Misalignment: See Lateral Deflection
    Permeability: The ability of a fluid or gas to pass
    through an elastomer.-1
    Permanent Set: Permanent set is the deformation
    remaining after a specimen has been stressed in
    tension or compression a prescribed amount for a
    definite period and released for a definite period.-1
    Ply: One concentric layer or ring of material, such
    as fabric plies in an expansion joint.-1
    Pre-Compression: Compressing the expansion
    joint (shortening the Face to Face) so that in the
    cold position the joint has a given amount of
    compression set in the joint. The purpose of
    pre-compression is to allow for unexpected or
    additional axial extension. This is preformed at
    the job site.-1
    Pre-Set: Dimension that joints are deflected to
    insure that desired movements will take place.-1
    See Lateral
    Proof Pressure Test: See Hydrostatic Test
    Reinforcing Rings: Metal reinforcing rings in steel,
    stainless steel, Monel or other metals may be
    used to add strength between the Convolutions
    or Arches.-1
    Reinforcement: See Carcass
    Resultant Movement: The net effect of concurrent
    movement.-1
    Retaining Rings: Split metal retaining rings are
    installed directly against the back of the flanges
    of the joint and bolted through to the mating
    flange of the pipe.-1
    Root Ring: See Reinforcing Rings
    Spool “Arch” Type: A full face integral flange
    is available in both single arch and multiple
    arch types. Construction is of fabric and rubber,
    reinforced with metal rings or wire. The full face
    flanges are integral with the body of the joint
    and drilled to conform to the bolt pattern of
    the companion metal flanges of the pipeline.
    This type of rubber face flange is of sufficient
    thickness to form a tight seal against the metal
    flanges without the use of gaskets.-1
    Sun Checking: See Atmospheric Cracking
    Thermal Movements: Movements created within
    the piping system by thermal expansion. Can be
    Axial, Lateral, or Torsional.-1
    Torsional Movement: The twisting of one end of
    an expansion joint with respect to the other end
    about its longitudinal axis. Such movement is
    measured in degrees.-1
    Transverse Movement: See Lateral Deflection
    Tube: A protective, leak proof lining made of
    synthetic or natural rubber as the service dictates.
    This is a seamless tube that extends through
    the bore to the outside edges of the flanges.
    Its purpose is to eliminate the possibility of the
    materials being handled penetrating the carcass
    and weakening the fabric. These tubes can be
    designed to cover service conditions for chemical,
    petroleum, sewage, gaseous and abrasive
    materials.-1
    Wide Arch: This type, similar to the Narrow
    “Arch” Type, is available in a metallic reinforced
    and non-metallic reinforced design. Generally
    the Wide Arch Type features greater movements
    than standard spool “Arch” Type.
    Wire Reinforced: A product containing metal
    wire to give added strength, increased dimensional
    stability or crush resistance.-1 See Reinforcement
    Wrap Marks: Impressions left on the cover surface
    by the material used to wrap the expansion joint
    during vulcanization. Usually shows characteristics
    of a woven pattern and wrapper width edge marks.-1
    Van Stone Flange: A loose, rotating type flange,
    sometimes called a lap-joint flange.
  14. As defined by the Fluid Sealing Association Technical Handbook 7th Edition Non-Metallic Expansion Joints and Flexible Pipe Connectors.
  15. As defined by Standards of the Expansion Joint Manufactures Association, Inc. Eighth Edition 2003.

    Installation and Inspection Instructions
    RUBBER EXPANSION JOINT INSTALLATION INSTRUCTIONS
  16. Service Conditions. Make sure the expansion joint rating for temperature, pressure, vacuum and movements match the system requirements. Contact the manufacturer for advice if
    the system requirements exceed those of the expansion joint selected. Check to make sure the elastomer selected is chemically compatible with the process fluid or gas.
  17. Alignment. Expansion joints are normally not designed to compensate for piping misalignment errors. Piping should be lined up within 1/8”. Misalignment reduces the rated
    movements of the expansion joint and can induce severe stress and reduce service life. Pipe guides should be installed to keep the pipe aligned and to prevent undue displacement.
  18. Anchoring. Solid anchoring is required wherever the pipeline changes direction, and expansion joints should be located as close as possible to anchor points. If anchors are not used,
    the pressure thrust may cause excessive movements and damage the expansion joints.
  19. Pipe Support. Piping must be supported so expansion joints do not carry any pipe weight.
  20. Mating Flanges. Install the expansion joint against the mating pipe flanges and install bolts so that the bolt head and washer are against the retaining rings. If washers are not used,
    flange leakage can result, particularly at the split in the retaining rings. Flange-to-flange dimensions of the expansion joint must match the breech type opening. Make sure the mating
    flanges are clean and are flat-face-type or more than 1/16” raised-facetype. Never install expansion joints that utilize split retaining rings next to wafer type check or butterfly valves.
    Serious damage can result to a rubber joint of this type unless installed against full-face flanges.
  21. Tightening Bolts. Tighten bolts in stages by alternating around the flange. If the joint has integral fabric and rubber flanges, the bolts should be tight enough to make the rubber flange
    O.D. bulge between the retaining rings and the mating flange. Torque bolts sufficiently to assure leak-free operation at hydrostatic test pressure. Bolt torquing values are available from
    most manufacturers. If the joint has metal flanges, tighten bolts only enough to achieve a seal and never tighten to the point that there is metal-to-metal contact between the joint
    flange and the mating flange.
  22. Storage. Ideal storage is a warehouse with a relatively dry, cool location. Store flange face down on a pallet or wooden platform. Do not store other heavy items on top of an expansion
    joint. Ten-year shelf life can be expected with ideal conditions. If storage must be outdoors joints should be placed on wooden platforms and should not be in contact with the ground.
    Cover with a tarpaulin.
  23. Large Joint Handling. Do not lift with ropes or bars through the bolt holes. If lifting through the bore, use padding or a saddle to distribute the weight. Make sure cables or forklift tines
    do not contact the rubber. Do not let expansion joints sit vertically on the edges of the flanges for any period of time.
  24. Additional Tips.
    a. For elevated temperatures, do not insulate over a non-metallic expansion joint.
    b. It is acceptable (but not necessary) to lubricate the expansion joint flanges with a thin film of graphite dispersed in glycerin or water to ease disassembly at a later time.
    c. Do not weld in the near vicinity of a non-metallic joint.
    d. If expansion joints are to be installed underground, or will be submerged in water, contact manufacturer for specific recommendations.
    e. If the expansion joint will be installed outdoors, make sure the cover material will withstand ozone, sunlight, etc. Materials such as EPDM and Hypalon® are recommended.
    Materials painted with weather paint will give additional ozone and sunlight protection.
    f. Check the tightness of leak-free flanges two or three weeks after installation and re-tightness if necessary.
    CONTROL ROD INSTALLATION INSTRUCTIONS
  25. Assemble expansion joint between pipe flanges to the manufactured face-to-face length of the expansion joint. Include the retaining rings furnished with the expansion joint.
  26. Assemble control rod plates behind pipe flanges. Flange bolts through the control rod plate must be longer to accommodate the plate. Control rod plates should be equally
    spaced around the flange. Depending upon the size and pressure rating of the system, 2, 3 or more control rods may be required. Contact manufacturer for optional installations.
  27. Insert control rods through top plate holes. Steel washers are to be positioned at the outer plate surface. An optional rubber washer is positioned between the steel washer and
    the outer plate surface.
  28. If a single nut per unit is furnished, position this nut so that there is a gap between the nut and the steel washer. This gap is equal to the joint’s maximum extension (commencing with
    the nominal face-to-face length). Do not consider the thickness of the rubber washer. To lock this nut in position, either “stake” the thread in two places or tack weld the nut to the rod.
    If two jam nuts are furnished for each unit, tighten the two nuts together, so as to achieve a “jamming” effect to prevent loosening. Note: Consult the manufacturer if there is any
    question as to the rated compression and elongation. These two dimensions are critical in setting the nuts and the sizing the compression pipe sleeves.
  29. If there is a requirement for compression pipe sleeves, ordinary pipe may be used and sized in length to allow the joint to be compressed to its normal limit.
  30. For reducer installations, it is recommended that all control rod installations be parallel to the piping.
    INSPECTION PROCEDURE FOR RUBBER EXPANSION JOINTS IN SERVICE
    The following guide is intended to assist in determining if an expansion joint should be replaced or repaired after extended service.
  31. Replacement Criteria. If an expansion joint is in a critical service condition and is five or more years old, consideration should be given to maintaining a spare or replacing the unit
    at a scheduled outage. If the service is not of a critical nature, observe the expansion joint on a regular basis and plan to replace after 10 years service. Applications vary and life can
    be as long as 30 years in some cases.
  32. Procedures.
    a. Cracking. (Sun Checking) Cracking, or crazing may not be serious if only the outer cover is involved and the fabric is not exposed. If necessary, repair on site with rubber
    cement where cracks are minor. Cracking where the fabric is exposed and torn, indicates the expansion joint should be replaced. Such cracking is usually the result of excess
    extension, angular or lateral movements. Such cracking is identified by: (1) a flattening of the arch, (2) cracks at the base of the arch, and/or (3) cracks at the base of the
    flange. To avoid future problems, replacement expansion joints should be ordered with control rod units.
    b. Blisters-Deformation-Ply Separation. Some blisters or deformations, when on the external portions of an expansion joint, may not affect the proper performance of the
    expansion joint. These blisters or deformations are cosmetic in nature and do not require repair. If major blisters, deformations and/or ply separations exist in the tube, the
    expansion joint should be replaced as soon as possible. Ply separation at the flange O.D. can sometimes be observed and is not a cause for replacement of the expansion joint.
    c. Metal Reinforcement. If the metal reinforcement of an expansion joint is visible through the cover, the expansion joint should be replaced as soon as possible.
    d. Dimensions. Any inspections should verify that the installation is correct; that there is no excessive misalignment between the flanges; and, that the installed face-to-face
    dimension is correct. Check for over-elongation, over-compression, lateral or angular misalignment. If incorrect installation has caused the expansion joint to fall, adjust the
    piping and order a new expansion joint to fit the existing installation.
    e. Rubber Deterioration. If the joint feels soft or gummy, plan to replace the expansion joint as soon as possible.
    f. Leakage. If leaking or weeping is occurring from any surface of the expansion joint, except where flanges meet, replace the joint immediately. If leakage occurs between the
    mating flange and expansion joint, tighten all bolts. If this is not successful, turn off the system pressure, loosen all flange bolts and then retighten bolts in stages by
    alternating around the flange. Make sure there are washers under the bolt heads, particularly at the split in the retaining rings. Remove the expansion joint and inspect both
    rubber flanges and pipe mating faces for damage and surface condition. Repair or replace as required. Also, make sure the expansion joint is not over elongated, as this can
    tend to pull the joint flange away from the mating flange resulting in leakage. If leakage persists, consult the manufacturer for additional recommendations.
    The Installation/Inspection Instructions are considered to be the best industry practices and are defined by the Fluid Sealing Association Technical handbook
    7th Edition Non-Metallic Expansion Joints and Flexible Pipe Connectors.
    Rubber Expansion Joints

    General Conversion Factors
    Multiply By To Obtain
    Atmospheres 33.9 Feet of water
    Atmospheres 29.92 Inches of mercury
    Atmospheres 10332 Kilograms/sq. m.
    Atmospheres 14.7 Pounds/sa. in.
    Atmospheres 760 mm of mercury
    Bars 9.869 x 10-1 Atmospheres
    Bars 1.0 x 106 Dynes/sq. cm.
    Bars 1.020 x 104 Kas./sa. meter
    Bars 14.5 Pounds/sq. in.
    British Thermal Units 777.5 Foot-pounds
    British Thermal Units 1054.6 Joules
    British Thermal Units 0.2520 Ka.-calories
    British Thermal Units 2.928 x 10-4 K.W.-hours
    B.T.U./hr. 0.2520 Kg. cal/Hr.
    B.T.U./hr./sq. ft. 2.712 Kg.-cal/hr./sq. m.
    B.T.U./hr./sq. ft./deg F. 4.882 Kg. cal/hr./sq. m./deg C.
    B.T.U./sq. ft. 2.712 Kg. cal./sq. m.
    B.T.U./sq. ft./in. 6.892 Kg. cal/sq.m./cm.
    Celsius (°C x 1.8) + 32 Fahrenheit
    Centimeters 0.0328 Feet
    Centimeters 0.3937 Inches
    Centimeters 0.01 Meters
    Centimeters 1. x 104 Microns
    Centimeters/sec 0.03281 Feet/sec
    Centipoises 0.000672 Lbs./ft.-sec.
    Cubic centimeters 3.531 x 10-5 Cubic feet
    Cubic centimeters 6.102 x 10-2 Cubic inches
    Cubic centimeters 1.0 x 10-3 Liters
    Cubic feet 1728 Cubic inches
    Cubic feet 0.03704 Cubic Yards
    Cubic feet 7.481 Gallons
    Cubic feet 28.32 Liters
    Cubic feet/second 26930 Gallons/hour
    Cubic inches 1.639 x 10-5 Cubic meters
    Cubic inches 4.329 x 10-3 Gallons
    Cubic meters 1.0 x 106 Cubic cm.
    Cubic meters 35.31 Cubic feet
    Cubic meters 1.308 Cubic yards
    Degrees(angle) 1.745 x 10-2 Radians
    Dynes 1.020 x 10-6 Kilograms
    Dynes 2.248 x 10-6 Pounds
    Dynes/sq. cm. 9.870 x 10-7 Atmosphere
    Dynes/sq. cm. 1 x 10-6 Bars
    Dynes/sa. cm. 0.0102 Kas./sa. meter
    Dynes/sq. cm. 2.089 x 10-3 Pounds/sq. ft.
    Dynes/sq. cm. 1.450 x 10-5 Pounds/sq. in.
    Fahrenheit 5/9(°F-32) Celsius
    Feet 30.48 Centimeters
    Feet 3.048 x 10-4 Kilometer
    Feet 0.3048 Meters
    Feet 304.8 Millimeters
    Feet/minute 0.01667 Feet/second
    Foot-pounds 1.356 Joules
    Foot-pounds 3.241 x 10-4 Kg.-calories
    Foot-pounds 0.1383 Kg.-meters
    Gallons (U.S.) 0.1337 Cubic feet
    Gallons (U.S.) 231 Cubic inches
    Gallons (U.S.) 3.785 x 10-3 Cubic meters
    Gallons (U.S.) 3.785 Liters
    Gallons of water 8.337 Pounds of water
    Gallons/hour 3.71 x 10-5 Cu. ft./sec.
    Grams 980.7 Dynes
    Grams 2.205 x 10-3 Pounds
    Grams/cubic cm. 0.03613 Lbs./cu. in.
    Grams/sq. cm. 1.422 x 10-2 Lbs./sq. in.
    Inches 2.54 Centimeters
    Inches 0.0254 Meters
    Inches 25.4 Millimeters
    Inches of mercury 0.03342 Atmospheres
    Inches of mercury 3.453 x 10-2 Kgs./sq. cm.
    Inches of mercury 0.4912 Lbs./sq. in.
    Inches of water 2.458 x 10-3 Atmosphere
    Inches of water 0.07349 Inches of mercury
    Inches of water 0.03609 Lbs./ sq. in.
    Multiply By To Obtain
    Inches of water 0.1867 Cms.of mercury
    Inches of water (at 4°C) 2.54 x 10-3 Kgs./sq. cm.
    Inches-pounds/deg. 0.66 Kilogram-meters/rad
    Joules 9.486 x 10-4 B.T.U.
    Joules 0.7376 Foot-pounds
    Joules 2.390 x 10-4 Kg.-calories
    Kilograms 980665 Dynes
    Kilograms 1.0 x 103 Grams
    Kilograms 2.205 Pounds
    Kilogram-calories 3.968 B.T.U.
    Kilogram-calories 3086 Foot-pounds
    Kiloaram-calories 4186 Joules
    Kilogram-meters 7.233 Foot-pounds
    Kilograms/cu. meters 3.613 x 10-5 Pounds/cu. in.
    Kilograms/sq. cm. 9.80665 x 105 Dynes/sq. cm.
    Kilograms/sq. cm. 14.226 Pounds/sq. in.
    Kilograms/sq. meter 9.678 x 10-5 Atmospheres
    Kilograms/sq. meters 9.804 x 10-5 Bars
    Kilometers 1.0 x 105 Centimeters
    Kilometers 3281 Feet
    Kilometers 3.937 x 104 Inches
    Kilonewtons/sq. meter 0.145 Pounds/sq. in.
    Kilospascals 0.145 Pounds/sq. in.
    Liters 1 0 x 103 Cubic centimeters
    Liters 0.0351 Cubic feet
    Liters 0.2642 Gallons (U.S.)
    Liters 1.0 x 10-3 Cubic meters
    Mega nascals (mPa) 145 Pounds/sq,. in
    Meters 3.281 Feet
    Meters 39.37 Inches
    Meters 100 Centimeters
    Meters 0.001 Kilometers
    Meters 1000 Millimeters
    Meters/sec. 3.281 Feet/sec.
    Microns 3.94 x 10-5 Inches
    Millimeters 0.1 Centimeters
    Millimeters 0.003281 Feet
    Millimeters 0.03937 Inches
    Millimeters 1.0 x 10-6 Kilometers
    Millimeters 0.001 Meters
    Newtons 1.0 x 105 Dynes
    Newtons 0.2248 Pounds
    Newtons/mm 5.71 Pounds/inch
    Newton-Meters 8.8504 Inch-pounds
    Newtons/sq. meter 1 Pascals
    Ounces 28.35 Grams
    Ounces (fluid) 0.02957 Liters
    Pounds 444823 Dynes
    Pounds 453.6 Grams
    Pounds 0.4536 Kilograms
    Pounds of water 0.01602 Cubic feet
    Pounds of water 27.68 Cubic inches
    Pounds of water 0.1198 Gallons
    Pounds/cu. foot 0.01602 Grams/cu. cm.
    Pounds/cubic foot 16.02 Kgs./cu. meter
    Pounds/cubic foot 5.787 x 10-4 Pounds/cu. in.
    Pounds/cu. in. 2.768 x 104 Kgs./cu. meter
    Pounds/cu. in. 1.728 x 103 Pounds/cu. ft.
    Pounds/inch 17.86 Kilograms/meter
    Pounds/inch 178.6 Grams/cm.
    Pounds/square inch 2.036 Inches of mercury
    Pounds/square inch 51.7 Mm of mercury
    Pounds/square inch 703.1 Kgs./sq. meter
    Radians 57.3 Degrees
    Slugs 3.217 x 101 Pounds
    Square centimeters 0.1550 Square inches
    Square feet 929 Square cms.
    Square feet 0.0929 Square meters
    Square inches 645.2 Square mms.
    Square inches 6.452 Square cms.
    Square meters 1.55 x 103 Square inches
    Square millimeters 1.0 x 10-2 Square cms.
    Square millimeters 1.55 x 10-3 Square inches
    Tons 0.02 Pounds/sq. in.

    Specification Sheet
    Company Name
    Address
    City, State, Zip
    Contact
    Phone Number
    Pipe/Flange Size
    Over All Length
    Arches (if known)
    Style (if known)
    Operating Pressure
    Design Pressure
    Surge Pressure
    Test Pressure
    Axial Compression
    Axial Extension
    Lateral Deflection
    Angular Movement
    Torsional Movement
    Flowing Media
    Temperature of Media
    Velocity of Media
    Surrounding Atmosphere
    Flange Drilling
    Mating Flange Thickness
    Flange Alloy
    Elastomer (tube/cover)
    Retaining Rings
    Control Unit
    Joint Location
    Hydrostatic Test of Joint Required
    Project Name Date
    Job Number
    Prepared by
    Item No. Item No. Item No.
    Quantity Quantity Quantity
    Inches Inches Inches
    Inches Inches Inches
    PSI HG PSI HG PSI HG
    PSI HG PSI HG PSI HG
    PSI HG PSI HG PSI HG
    PSI HG PSI HG PSI HG
    Inches Inches Inches
    Inches Inches Inches
    Inches Inches Inches
    Degrees Degrees Degrees
    Degrees Degrees Degrees
    Min °F Max °F Min °F Max °F Min °F Max °F
    Ft/Min Ft/Min Ft/Min
    Min °F Max °F Min °F Max °F Min °F Max °F
    Specification Specification Specification
    Inches Inches Inches
    YES NO YES NO YES NO
    YES NO YES NO YES NO
    Inside Outside Inside Outside Inside Outside
    YES NO YES NO YES NO
    Miscellaneous Media Movements Pressure Size Customer
    Rubber Expansion Joints
  33. DEFINITION: “Document” shall refer to these General Terms and Conditions and the Purchase Order, Invoice, or Delivery Ticket, as the case may be, printed on the face hereof.
  34. DELIVERY: Time is of the essence in this transaction, and if delivery of conforming Product(s) or performance of conforming services is not completed by the time(s) promised,
    Buyer reserves the right, in addition to its other rights and remedies, to cancel this order, to reject such Product(s) or services in whole or part on reasonable notice to Seller, and/
    or to purchase substitute Products or services elsewhere and charge Seller with any loss incurred. Shipments sent C.O.D. without Buyer’s written consent will not be accepted and
    will be at Seller’s risk.
  35. PRICE: Buyer shall not be billed at prices higher than stated herein unless authorized in writing by Buyer. Seller agrees to notify Buyer of any price reduction made in Products or
    services covered by this Document subsequent to the date hereof and prior to delivery or performance and agrees that any such reduction will be applicable to this Document.
  36. TERMS: This sale is limited of these terms and conditions. Any additional or different terms or conditions proposed by you are rejected unless we expressly agree there to in writing.
    A contract embodying all and only these terms and conditions shall be formed by (i) delivery of materials or goods (“Product(s)”) or performance of services and (ii) acceptance of
    such Product(s) or services by buyer. References to this document shall, unless the context otherwise requires, include any contract resulting from this Document. No modification
    of this document shall be effective without our written consent. No course of prior dealings, no usage of trade, and no course of performance shall be used to modify, supplement,
    or explain any terms used in this Document.
  37. PAYMENT: All payments are due pursuant to the payment term on the face of this Document.
  38. TERMINATION: Buyer expressly reserves the right, in the event that this Document is issued pursuant to a prime contact with the Government or to a subcontract thereunder, to
    terminate the work under this Document at any time by written or telegraphic notice to Seller stating the extent and effective date of such termination, in which event the rights
    and obligations of the parties hereto shall be determined in accordance with the termination provisions applicable to such Government contract.
  39. CONTINGENCIES: Failure of either party to perform hereunder, except for the payment of money, in whole or in part, occasioned by act of God, act of the public enemy, fire,
    explosion, perils of sea, flood, drought, war, riot, sabotage, terrorism, accident, embargo, government priority, requisition or allocation, or any circumstance of like or different
    character beyond the reasonable control of the party so failing to perform, shall not subject said party to any liability to the other party for such period of time and to the extent
    that such contingency precludes performance.
  40. WARRANTIES:
    (a) Seller makes NO WARRANTY WHATSOEVER, except as to title, with respect to any Product(s) manufactured and/or designed to Buyer’s own specifications (other than mere
    dimensions), and Buyer shall, at its own expense, indemnify, defend and hold Seller harmless from and against any claim, suit, or expense which shall be asserted or brought
    against Seller by reason of its manufacture or sale of such Product(s).
    (b) Seller makes NO WARRANTY WHATSOEVER concerning any Product(s) manufactured by others, but will extend to Buyer any warranties respecting such Product(s) as
    made by the manufacturer of such Product(s). Seller will repair or replace any Product(s) manufactured by Seller which prove defective within one (1) year from the date
    of shipment if such defects are due to defective workmanship of Seller’s employees, provided that the Product(s) has or has been (i) properly assembled and utilized in
    accordance with Seller’s design thereof and instructions relating thereto AND (ii) returned to the Seller at Buyer’s expense. This warranty shall be voided by any changes made
    in the Product(s) prior to or in connection with their assembly or use.
    (c) EXCEPT FOR THE EXPRESS WARRANTY DESCRIBED ABOVE THERE ARE NO WARRANTIES INCLUDING ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS
    FOR ANY PARTICULAR PURPOSE, WHICH EXTEND BEYOND THE DESCRIPTION OF THE PRODUCT(S) ON THE FACE HEREOF NO WARRANTIES OF REPRESENTATIONS
    AT ANY TIME MADE BY ANY REPRESENTATIVE OF SELLER SHALL BE EFFECTIVE TO VARY OR EXTEND THE ABOVE REFERENCED EXPRESS WARRANTIES OR ANY
    OTHER TERMS HEREOF.
    (d) In no event shall Seller be liable for consequential, incidental, or special damages resulting from or in any matter related to the Product(s), the design, use, or any inability to
    use the Product(s), including without limitation, damages arising out of or in any manner relating to the delivery of the Product(s), or any delay with respect to delivery of the
    Product(s). The sole and exclusive remedy with respect to any defective Product(s) manufactured by Seller shall be repair, correction, or replacement thereof pursuant to the
    “WARRANTY” provisions above. Should the Product(s) prove so defective, however, as to preclude the remedying of warranted defects by repair or replacement. Buyer’s sole
    and exclusive remedy shall be the refund of the purchase price of the defective Product(s) involved, upon return of the Product(s) to Seller.
    (e) Seller warrants that the use or sale of any Product(s) delivered hereunder, or any part thereof, except any Product(s) produced to Buyer’s drawings or specifications, does
    not infringe any adverse valid existing patent. Seller shall indemnify, defend, and hold harmless Buyer, Buyer’s customers, users of the Product(s), and any of their successors
    and assigns, from and against any and all liability, damage, loss, cost, or expense incurred in connection with any claim, suit, or action for actual or alleged infringement of any
    such patent, arising out of or in connection with the use or sale of such Product(s).
  41. LOSS IN TRANSIT: Title and risk of loss in transit shall pass to Buyer upon delivery to (i) Buyer or (ii) a carrier, where shipment is made F.O.B. Seller’s shipping point.
  42. ASSIGNMENT: Either party’s assignment of this Document, of any interest herein, or of any money due or to become due hereunder without the prior written consent of the other
    party shall be void, unless such assignment is made to an affiliate of the assigning party.
  43. INDEPENDENT CONTRACTOR: In performing any services hereunder, each party is and undertakes performance hereof as an independent contractor,
    with sole responsibility for all persons employed in connection therewith, including without limitation, exclusive liability for the payment of all Federal, State,
    and local Unemployment and Disability Insurance and all Social Security and/or other taxes and contributions payable in respect of such persons from and
    against which liability each party agrees to indemnify, defend, and hold harmless the other part.
  44. MANNER OF PERFORMANCE:
    (a) Each party shall comply with all laws, regulations, and/or other requirements of local, state, and federal governments in connection with its manufacture or delivery of any
    Product(s) or performance of any services hereunder, including without limitation, those pertaining to financial capability responsibility and security for pollution damage and
    the price production sale, or delivery of the Product(s) or services. Specifically, but not by way of limitation, each party agrees to comply with Executive Order 11246 regarding
    equal employment opportunity, the Rehabilitation Act of 1973, the Vietnam Era Veterans Readjustment Act of 1972, the Occupational Safety and Health Act, the Fair Labor
    Standards Act. the Americans with Disabilities Act, and all regulations promulgated pursuant to any of the above.
    (b) If this order involves the presence of either party on the other party’s premises, such party comply with all safety, health, and security laws, regulations, and the other party’s
    policies and shall take all necessary precautions to prevent injury or damage to persons or property while so engaged.
    Warranty.

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