Fire-fighting gate valve
| STANDARD MATERIAL OF MAIN PARTS | ||
| NO. | PART | MATERIAL |
| 1 | Body | Cast Iron,Stainless Steel |
| 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 |
