Worm Gear Wafer Type Butterfly Valve
Shanghai Yuanhu Valve Co., Ltd. [China] 
Minimum Order: 0
Quality/Safety Certification: 0.00
1.Size:DN50-DN1000
2.Body materials: Ductile iron/cast iron
3.disc materials;DI/CI/SS
4.Best Price plus fine quality
| ITEM | Main parts | Materials |
| 1 | body | DI/CI/CF8M/CF8 |
| 2 | shaft | SS316/304/410/420 |
| 3 | disc | CF8M/CF8/CI/DI |
| 4 | taper pin | Stainless steel |
| 5 | Seat | NBR/PTFE |
| 6 | Long bushing | PTFE |
| 7 | O-RING | NBR |
| 8 | Short bushing | PTFE |
| 9 | Indictor | Carbon steel |
| 10 | worm gear and handweel | GGG50 |
| Design standard | API 609 CATEGORY A |
| Inspection and test | API598 |
| End standard | ASME B16.5 150LB |
| FACE TO FACE | API609 |
| Hydrostatic test | shell:24 bar, seal:18bar |
