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 |