Request A Quote

U.S. Bellows, Inc. Designed and Fabricated Expansion Joints that Required Helium Leak Testing

October 4, 2006
U.S. Bellows, Inc. Designed and Fabricated Expansion Joints that Required Helium Leak Testing
 U.S. Bellows, Inc. Designed and Fabricated Expansion Joints that Required Helium Leak Testing
U.S. Bellows, Inc. Designed and Fabricated Expansion Joints that Required Helium Leak Testing

This order required custom engineering to design and manufacture these expansion joints due to their critical service condition requirements. PT&P manufactured and tested these expansion joints to the customer specifications, EJMA Standards, and US Bellows Quality Standards.

Design Condition:

176 PSIG at 500°F
0.5 Axial Extension and 1.5 Axial Compression
18″ 304 Stainless Steel Expansion Joints with Special Designed and Machined Flange Faces with a Specially Designed Gasket Groove
Special Customer Welding Requirements to A.W.S. Standards
Critical Spring Rate Requirements
Stringent Testing Requirements
The Bellows Longitudinal Seams were 100% X-Rayed and Dye-Penetrant Examined.
Each Expansion Joint was Helium Leak Tested to a Leak Rate of 1 x 10 ֿ 7
Pressure 2

Upcoming Live Webinar

Sign-up for a Live Technical Webinar…

View video recordings from past webinars…


Online Course

Expansion Joint Application and Design

Our Expansion Joint course was developed for the following disciplines…

  • Piping system designers that may decide to use expansion joints
  • Expansion joint designers use the information provided by piping system designers to determine the best design to meet the requirements.
  • Designers that use modern software systems to evaluate different options
  • Engineers / Managers: field, maintenance, process, operations, construction, surveyors

*This online course is approved for 8 hrs. P.E. Credits

Register Now
Top