Technical Requirement:
1. Design and Manufacture: KS B2361;
2. Face to Face: KS B2306
3. Flange End: KS B 1511;
4 Test: KS B2304;
Product Details
Main parts and materials
| Parts Name | Materials |
| Body、Bonnet | WCB(SCPH2) |
| Disc | WCB(SCPH2) |
| Hinge Pin | STS 420J1-B |
| Seat Ring | 2Cr13 |
