Expansion Joint Manufacturers Association

The Expansion Joint Manufacturers Association is an organization of a metal bellows expansion joint manufacturers. It was founded in 1955 to create and maintain a set of standards for quality expansion joint design and manufacturing.[1] The EJMA standards are used worldwide as a reference for the proper selection and application of metallic bellows expansion joints. The standards are a combination of a variety of expansion joint manufacturers' knowledge and experience.

The EJMA organization performs extensive technical research on a variety of topics concerning the design and manufacturing of expansion joints.[2] This knowledge contributes to providing new versions of the EJMA book of standards.

Members

The current members that are a part of the Expansion Joint Manufacturers Association include:

  • AEROSUN-TOLA Expansion Joint Co. Ltd.
  • American BOA, Inc.
  • Badger Industries, Inc.
  • EagleBurgmann EJS
  • Flexider
  • Hyspan Precision Products, Inc.
  • Idrosapiens S.r.l.
  • KE-Burgmann EJS
  • Microflex, Inc.
  • Senior Flexonics Pathway
  • SFZ, S.A.
  • Teddington Engineered Solutions Ltd.
  • US Bellows, Inc.[3]
  • WahlcoMetroflex, Inc.
  • Witzenmann GmbH
  • UnisonHKR Co., Ltd. (South Korea) - https://www.unisonhkr.co.kr:40012/
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References
  1. EJMA Website, EJMA (retrieved 31 August 2010)
  2. Expansion Joints & Piping Equipment, World of Piping (retrieved 31 August 2010)
  3. U.S. Bellows: About Us, U.S. Bellows, Inc. (retrieved 31 August 2010)
  • Official EJMA Site
  • Metal Expansion Joint Pressure Thrust – http://oakridgebellows.com/metal-expansion-joints/metal-expansion-joints-in-one-minute/part-2-pressure-thrust (1 minute)
  • Metal Expansion Joint Anchors and Guides - http://oakridgebellows.com/metal-expansion-joints/metal-expansion-joints-in-one-minute/part-3-anchors-guides (1 minute)

See also
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