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Material of main parts:
Body: cast iron, ductile iron, stainless steel, cast steel (WCB)
Disc: ductile iron, stainless steel, Al-bronze, ductile iron with nyloncoated,Monel
Seat: EPDM or NBR or PTFE or VITON or vulcanized in body
Stem: SS416 or SS316 or Monel
Pin: SS316 or Monel
Operated: handle or wormgear, pneumatic, electric actuator
Inner packing:
Individual polybag for each valve
Outer packing:
Wooden case
Butterfly Valve
