double flange Butterfly check valve
USD $300 - $350 /Set
Min.Order:1 Set
double flange Butterfly valve
1 Body Ductile Iron
2 Wedge Ductile Iron+EPDM
3 Stem nut Brass
4 Stem Stainless steel
5 Middle end seat ring NBR
6 Bonnet Ductile Iron
7 Back seat Gasket Nilon 1010
8 "O" Ring NBR
9 Gland Ductile Iron
10 Handwheel Cast Iron