An Expansion joint alternately known as Bellows, is shaped like sealed springs required to contain the fluid pressure. It is available in stainless steel and rubber material. According to NFPA A device used to connect the ,shafts or other torque-transmitting components from a driver to the pump, and that permits minor angular and parallel misalignment as restricted by both the pump and coupling manufacturers. 

Material Specification:

Main Body:     Polarized Rubber

Lining: Nylon Color Fabric

Frame:           Hard Steel Wire

Flange:          Mild Steel