US Bellows: Burst Test

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Expansion Joint Product Testing: Burst Testing

Objective: The objective of the burst test is to determine the ultimate pressure resistance. Primarily conducted on bellows.

What we do: Normally, hydraulic pressure is slowly increased until failure occurs.

After Completion: Based on the burst test results, a safety factor is applied. This establishes the ultimate pressure rating.


Proof Burst test for expansion joint	Leakage area after burst test

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U.S. Bellows, Inc. Designed and Fabricated 50 Universal Expansion Joints for an Air Force Base in New Mexico (Ref#91376-A1, EA) 11/14/2007
U.S. Bellows, Inc. fabricated 50 expansion joints from 304L stainless steel. The expansion joints were 6" and 8" sizes. The 6" expansion joints are 24" face to face and the 8" expansion joints are 26" face to face. All of the expansion joints are fabricated with liners that are also made with 304L stainless steel. The design temperature was 200°F and the design pressure was 200 PSIG. The expansion joints were dye-penetrant tested and hydro tested at 300 PSIG. U.S. Bellows, Inc. provides 100% customer satisfaction in terms of quality and delivery.