threaded rubber expansion joint is a kind of pipe joint with high elasticity, high air tightness, medium resistance and weather resistance. The flexible rubber expansion joint is composed of inner rubber, polyester cord reinforcing layer, outer rubber and composite rubber tube. The flexible rubber expansion joint of threaded rubber expansion joint can choose any kind of inner and outer rubber materials, such as IIR, Cr, EPDM, NR, NBR, etc. the outer and inner layers of rubber materials can be different.
However, the frame layer of the threaded rubber expansion joint is made of polyester fabric, and the reinforcing layer has steel rings. It can be made into acid, alkali, corrosion, oil, heat and other varieties according to different materials, and can adapt to a variety of media and environment. There are many kinds of threaded rubber expansion joint flange materials, including Q235, SS304 and SS316.