Wafer typedual plate check valve,double door check valve
DN50-DN600,API594
PN10/PN 16/Class125/150
Face to face to ISO5752/EN558-1 series 16
Body:Ductile iron/Cast iron
Disc:Ductile iron/stainlesssteel/Alu-bronzeSeat:EPDM/NBRDouble door wafer check valve