These expansion joints have PTFE-lined rubber convolutions with Inconel® 625 liners and stainless steel covers. They measure 10″ I.D. x 5-1/4″ OAL. The expansion joints are designed for 46 psig and temperatures up to 210°F, with 1/2″ axial compression.
U.S. Bellows, Inc. designed and fabricated a 42″ I.D. rubber expansion joint for a power plant in Texas. The expansion joint consists of a bellow formed by 1/8″ thick neoprene sheet and A36 carbon steel flanges coated with a special finish per customer’s request. To ensure quality, dye-pentrant testing was performed on the welds prior to shipping.