FAQs

Expansion Joints FAQs

What is an expansion joint?

What is an expansion joint?
An expansion joint is a mechanical device used to absorb movement in a piping system caused by expansion or contraction.
What are the different types of expansion joint systems?
The different types of expansion joint systems are metallic, rubber, PTFE lined, PTFE molded, and flue duct. To explore the various types of metal expansion joints, including single unrestrained, universal, gimbal, and others, read more here. To explore types of fabric expansion joints, read more here.
How do I determine the best type of expansion joint for my application?
The best way to determine whether an expansion joint fits your application is to use Expansion Joint Manufacturers Association (EJMA) calculations. The best practice is to provide as much info as possible in order to perform precise EJMA calculations.
Can I use the same expansion joint for both wet and dry applications?
This depends on what type of material the expansion joint is made of. Dry applications often require a material that is less susceptible to abrasion, so an expansion joint designed for a wet application may not be effective.
An expansion joint is a mechanical device used to absorb movement in a piping system caused by expansion or contraction.
The different types of expansion joint systems are metallic, rubber, PTFE lined, PTFE molded, and flue duct. To explore the various types of metal expansion joints, including single unrestrained, universal, gimbal, and others, read more here. To explore types of fabric expansion joints, read more here.
The best way to determine whether an expansion joint fits your application is to use Expansion Joint Manufacturers Association (EJMA) calculations. The best practice is to provide as much info as possible in order to perform precise EJMA calculations.
This depends on what type of material the expansion joint is made of. Dry applications often require a material that is less susceptible to abrasion, so an expansion joint designed for a wet application may not be effective.

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