January 8, 2018
| Type: | Universal Expansion Joint |
| Size: | 118″ CL-to-CL, 132 3/8″ FTF, & 24″ OD |
| Material: | 304 Stainless Steel/Carbon Steel |
| Design: | 400°F at 310 psig & 1 1/8″ Lateral Movement |
| Testing: | Dye-Penetrant, PMI, X-Ray, and Hydrotested at 465 psig |
U.S. Bellows custom designed 2 of these tied double elbow universal expansion joints for a liquid hydrocarbon service application at a paraxylene complex in Saudi Arabia. The bellows were fabricated from 304 stainless steel and the piping and hardware from carbon steel, and has a 3-coat paint system. The unit is 118″ CL-to-CL of the elbow, 132 3/8″ face-to-face, and 24″ OD. They are designed for an operating pressure of 310 psig at 400°F with 1 1/8″ of lateral deflection. The unit was hydro-tested at 465 psi, X-ray tested the bellows long seam and pipe, PMI all alloys, and 100% dye-penetrant exam on all weld prior to shipment
