This 28″ diameter by 43″ OAL single gimbal expansion joint with a square gimbal box was designed by U.S. Bellows for a pipeline in Tennessee. The bellows are fabricated from Inconel® 625 LCF and the pipe and liners from 316 stainless steel. The expansion joint is designed for an operating temperature of 1250°F at 120 psig. The assembly has a floating ring gimbal design that restrains the pressure thrust. The unit was dye penetrant examined, all welds were 100% X-rayed, PMI, and hydro-tested prior to shipment.
28″ Dia. Gimbal Expansion Joint Designed with Floating Rings for a Pipeline in Tennessee