Double Flanged Concentric Butterfly Valve is one of our main products.
The body is short in structure, light in weight, high strength, so it can apply to wafer and flanged connection.
The disc is high strength disc with precise maching, assure bi-direction pressure bearing and no leakage.
Shaft of the butterfly valve is high strength stainless steel shaft, and can deliver torque effectively.
The seat sealing ring has high quality rubber ring, fixed on body, assures no leakage. No more washers when valve connects with flange.
The materials of the double flange butterfly valve include DI, CI, WCB, Stainless Steel, EPDM, NBR, VITOR, PTFE,CF8, CF8M, etc.