- 產品型號：
- ALUMINU BUTTERFLY VA
| Standards | |||
| 1 | Design | API 609, BS EN 593, Din 3352 | |
| 2 | Face To Face | API 609, BS EN 5558 Din 3202 | |
| Main Part Name and MATerial | |||
| 1 | Body | Cast Iron , Ductile Cast steel, Stainless steel | |
| 2 | Disc | Ductile Iron,Nylon or PTFE Cating Bronze ,Stainless steel | |
| 3 | Seat | Hypalon Epdm Nbr Viton Ptfe Neoprene | |
| 4 | Shaft and Pin | Astm A182-F304/F316/410/416 Monel K500 NBR or EPDM | |
