Application: The joint could primarily reduce the quiver and the noise of the piping system; completely solve the different piping problems as displacement of joint, axial flex and etc. Features: Improve the flow circulation and avoid the bellow deformation. Absorbs thermal expansion and shock. Structure: bellows + flat welding flanges. Main material: Compensates converting misalignment Bellows: stainless steel 304. Flanges: stainless steel 304 or carbon steel. Compensates for exhaust converter misalignment.