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Expansion Joint Testing

What’s the typical spring rate for a 20″ pressure balanced expansion joint?

When cycle testing an expansion joint, what was the length of the stroke?

What is the maximum operating temperature range that expansion joints can be exposed to?

What acceptance criteria do you use for air testing the fabric expansion joints?

How do you do the fatigue analysis of the bellows in high temperature application?

Why should we do a dye-penetrant test?

For an inline pressure balanced expansion joint, overall speaking, is it equivalent to a simple expansion joint without thrust force?

What are the quality tests that are conducted on expansion joints?

How do you service test an expansion joint?

How do you detect a crack in a fatigue testing machine?

What is the difference between pneumatic testing and helium testing?

How long is a burst test on an expansion joint?

What is blotting in a dye-penetrant test?

How do you do a fatigue life cycle test for bellows?

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