Product Description
| Parts name | Double-eccentric Center Butterfly Valve Product type | ||||
| Carbon steel type | Allig steel type | Stainless steel | Stainless steel | (R)316 | |
| Type(P II) | 304 | ||||
| body | WCB | C5 | High Ni.Cr steel | Cr Ni Ti steel | Cr Ni Mo Ti steel |
| Butterfly board | WCB | C5 | High Ni.Cr steel | Cr Ni Ti steel | Cr Ni Mo Ti steel |
| Valve shaft | Cr stainless steel | Cr Mo V | Ci Ni Ti steel | Cr Ni Ti steel | Cr Ni Mo Ti |
| Stainless steel | steel | ||||
| Sealing face | Hard seal | Iron-based alloy | Iron-based alloy | Co W alloy | Cr Ni Mo Ti steel |
| Soft seal | NBR,PTFE | | | | |