China Wafer Type Concentric Butterfly Valve with Pin Ce Approval, Find details about China 4" Butterfly Valve, Butterfly Valve Manufacture from Wafer Type Concentric Butterfly Valve with Pin Ce Approval
STANDARD MATERIAL OF MAIN PARTS | ||
NO. | PART | MATERIAL |
1 | Body | Cast Iron |
2 | Seat | NBR,EPDM, Viton,Neoprene,HYPALON,Silicon |
3 | Shaft | Stainless Steel416,316,304 |
4 | Disc | Ductile Iron+Ni,CF8,CF8M,Bronze |
5 | Pin | Cast iron Stainless Steel |
6 | Bushing | PTFE,Bronze |
7 | O-Ring | NBR,EPDM |