... avoid the bellow deformation. 2) Absorbs thermal expansion and shock 3) Structure: Bellows + flat welding ... Thermal motors refrigeration circuitHigh Pressure Resistance Rubber Expansion Joint:Flexible rubber joint is also called shock absorber, pipe ... Appliacability:Beacause its integral function, felxible rubber joint can be wildly used in chemical industy, ... or as customers request. Expansion Joint