November 2, 2015
| Type: | Single Expansion Joint |
| Size: | 4″ Diameter |
| Material: | 321 Stainless Steel with 304 liners | 105N CS |
| Design | 212°F Operating Temperature |
| Testing: | 100% Dye Penetrant | Hydro-tested |
U.S. Bellows custom designed 4” diameter single expansion joints for a hydrocarbon vapor pumping application in Saudi Arabia. The bellows are fabricated from 321 stainless steel with 304 liners, and the flanges are 105N carbon steel. The expansion joints are designed for 212°F at 53 psig. They are capable of 1.37″ compression, 0.59″ axial, and 0.39″ lateral movement. A hydro-test and dye-penetration exam were performed on the units prior to shipment.
