Rubber Expansion Joint

A rubber expansion joint is a flexible connector often used in piping and equipment systems to prevent vibration, shock, noise, and thermal expansion and contraction. They also help extend the service life of pipes and equipment.

317 Valve has been the leading valve and expansion joint supplier for over 50 years. We are fluid control experts ready to assist you with reliable solutions and quality products. 

Explore the wide selection of high-pressure anti-vibration joints of ARMFLEX rubber: AMS single-sphere rubber expansion joints, AMT twin-sphere rubber expansion joints, AMS-WA flanged wide body single ball joints, and AMU union ball joints.

Characteristics:

  • High-pressure resistance, withstand vacuum height
  • Easy to absorb displacement, vibration, expansion, and angular motion
  • Excellent resistance to heat, drugs, weak acids and weak bases, and seawater   
  • Other materials are available for use. Such as: EPDM, NBR, Butyl, and Hypalong.

Application:
  • Air Conditioning System
  • Chemical piping
  • Liquid circulation line
  • Compressor line
  • Pulp transport pipeline
  • Pump transfer line
  • Freezing pipeline
  • Turbine to condenser


View:

(AMS. AMS-H SERIES) SINGLE SPHERE RUBBER EXPANSION JOINT

RUBBER EXPANSION JOINT
SINGLE SPHERE. NEO. WITH FLOATING
FLANGE SS41 TO JIS 10K, ASA 150LBS. DRILLED.
ELASTOMER: SYNTHETIC RUBBER
SIZE: 1”~28”

(AMT. AMT-H SERIES) TWIN SPHERE RUBBER EXPANSION JOINT

RUBBER EXPANSION JOINT
TWIN SPHERE. NEO. WITH FLOATING
FLANGE SS41 TO JIS 10K, ASA 150LBS. DRILLED.
ELASTOMER: SYNTHETIC RUBBER
SIZE: 1-1/2”~24”

(AMS-WA SERIES) RUBBER EXPANSION JOINT (WIDE-ARCH)

RUBBER EXPANSION JOINT
WIDE ARCH DESIGN. SINGLE SPHERE
WITH SS41 FLANGE TO ASA 150 LBS,
DIN PN16. DRILLED. VACUUM 26” HG.
SIZE: 2”~16”

(AMU SERIES) RUBBER EXPANSION JOINT (UNION TYPE)

RUBBER EXPANSION JOINT
TWIN SPHERE. WITH UNION THREAD
ELASTOMER: SYNTHETIC RUBBER
SIZE: 1/2”~3”

(AMSU SERIES) SINGLE SPHERE RUBBER EXPANSION JOINT (UNION TYPE)

RUBBER EXPANSION JOINT
SINGLE SPHERE. FCD TRIANGLE FLANGE.
WITH FCD THREADED UNION.
VACUUM 26” HG.
BODY: 1/2”~2”

(AMTU SERIES) TWIN SPHERE RUBBER EXPANSION JOINT (UNION TYPE)

RUBBER EXPANSION JOINT
TWIN SPHERE. FCD FLANGE.
WITH FCD THREADED UNION.
VACUUM 26” HG.
BODY: 1/2”~2”