Without pin lug butterfly valve with long service life , easy instillation, and maintenance

Wafer butterfly valve through shaft without pin

Materials of main parts:
Body: CI, DI, stainless steel, and cast steel(WCB)
Disc: monel, ductile iron, stainless steel, al-bronze, and ductile iron with nylon coated
Seat: EPDM, NBR, PTFE, Viton or vulcanized
Body stem: SS416, SS316
Monelpin: ss316 or monel
Operated: handle or worm gear, pneumatic, and electric actuator inner