About EJMA

Who We Are

The Expansion Joint Manufacturers Association, Inc. is an organization of established manufacturers of metal bellows type expansion joints. We have members located across the globe.  Click on the map below and learn about a member near you.

What We Do

EJMA was founded in 1955 to establish and maintain quality design and manufacturing standards.  These Standards combine the knowledge and experience of the association’s Technical Committee and are available to assist users, designers, and others in the selection and application of expansion joints for safe and reliable piping and vessel installation.

New EJMA Standards published!

A new edition of the EJMA Standards has just been published. This is Version 11 of the EJMA Standards, recognized throughout the world as the authority on the proper selection and application of metallic bellows type expansion joints for safe and reliable piping and vessel installation.

Benefits of Subscribing to the EJMA Standards

To obtain 24-hour access to the latest edition of the EJMA Standards please visit shop.ejma.org and click on Subscribe to the EJMA Standards. There you can register your company and purchase access for you and other members of your organization. This will give each of your users full access to the latest Standards, documentation and future planned calculation tools. In addition, you will receive license to a unique subscriber badge featuring your company name that you may use on your website and other marketing material to demonstrate you are a current subscriber to the very latest edition of the EJMA Standards.

Subscriber Badges

The EJMA Standards Version 11 are not available in book format and can only be consulted online by those users who have subscribed through the EJMA website. Only verified Subscribers will have access to the latest revision and any ongoing developments to the Standards by its members in real-time. No one else will have access to this information

How do you know who is a verified Subscriber? Subscribers will display on their website an electronic badge that resembles the figure below.

Only an EJMA generated badge will have a link at the bottom of the badge for verifying current Subscribers, that will take you to https://standards.ejma.org/verify-subscription/  with a message stating the status of the subscription.  Click the badge below to see.

WARNING: If a badge does not have this link or the link takes you to a different website, this is not a verified Subscriber.

Please be aware that EJMA Subscribers are not the same as EJMA Members.

Publications

EJMA Standards

The EJMA Standards are recognized throughout the world as the authority on the proper selection and application of metallic bellows type expansion joints for safe and reliable piping and vessel installation.