Single Wide-Arch Molded Rubber Expansion Joints (Series AMS-600)

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AMS 600 Series Single Wide-Arch Molded Rubber Expansion Joints
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AMS 600 Series Single Wide-Arch Molded Rubber Expansion Joints

AMS 600 Series Single Wide-Arch Molded Rubber Expansion Joints-Drawing


  • Working pressure ratings up to 200 psi*. Temperature ratings from 14°- 170°F.
  • Vacuum ratings to 25” Hg.
  • Allows for greater motion capabilities than standard arch expansion joints.
  • Excellent for absorbing thermal expansion, and eliminating vibration & sound.
  • Gaskets and packing not required.
  • Absorbs water pulsation and protects against start-up surge forces.


API Part NumberSizeFace To Face DimensionsWorking Pressure*Allowable Motion Ratings**
Allowable Motion Ratings**
Allowable Motion Ratings**
Allowable Motion Ratings**
AMS-6022"6"200 psi1-3/4"3/4"3/4"35⁰
AMS-602H2-1/2"6"200 psi1-3/4"3/4"3/4"30⁰
AMS-6033"6"200 psi1-3/4"3/4"3/4"30⁰
AMS-6044"6"200 psi1-3/4"3/4"3/4"25⁰
AMS-6055"6"200 psi1-3/4"3/4"3/4"25⁰
AMS-6066"6"200 psi1-3/4"3/4"1"20⁰
AMS-6088"6"200 psi1-3/4"3/4"1"20⁰
AMS-61010"8"200 psi1-3/4"3/4"1"15⁰
AMS-61212"8"200 psi1-3/4"3/4"1"15⁰
AMS-61414"8"150 psi1-3/4"3/4"1"15⁰
AMS-61616"8"150 psi1-3/4"3/4"1"15⁰
**– Non Concurrent Ratings.

* – Warning:
• Pressure & vacuum ratings listed in the above table are for up to 110 Degrees F. For elevated temperature service, please contact API Sales for actual working pressure ratings.
• Limit rods are required in systems that are unanchored and recommended in all other application


PartPart DescriptionMaterial
1Body/FlangeChlorobutyl (Butyl)
2ReinforcementNylon Tire Cord
3Backup RingsCast Ductile Iron

#– Also available in EPDM.


  • Pressure piping systems in building equipment and general industrial plants.
  • Pump and turbine lines used for power generation plants, industrial machinery and universal pump blowers.
  • Feed-water & drainage lines for waterworks & sanitary piping systems.
  • Pipelines for industrial plants and shipbuilding yards.
  • Chillers & Cooling Towers.

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