AWWA C504 / API 598 Wafer Type PTFE Lined Butterfly Valve
Specifications
1.Zero leakage in air tight test;2.Excellent anti-corrosive performance.
1. Features:
Rubber lined butterfly valve is a kind of valve with thick polymer lining on the body and disc. The lining makes the body completely isolate from medium and provides excellent anti-corrosive performance. It is designed as a device to shut-off or regulate the working medium flow and installed in pipelines or vessels with medium of acid, alkali, salt and oxideant, reducing agent, organic solvent in chemical, petroleum, pharmacy, food , iron and steel semlting, paper making, water power plant etc. It can be served as a gate valves, globe valves as well as other shutting off or regulating valves.
2. Standard:
| Design & Manufacture | AWWA C504 / API 609 |
| Flange Connection | AWWA C207 / ASME N16.5 / ASME B16.47 |
| Face to Face Dimension | AWWA C504 / API 609 |
| Test & Inspection | AWWA C504 / API 598 |
3. Material Specification:
| Ref | Description | Material |
| 1 | End Cap | Carbon Steel, Stainless Steel |
| 2 | Gasket | Rubber O-Ring, PTFE |
| 3 | Thrust Ring | Carbon Steel, Stainless Steel |
| 4 | Bushing | Bronze, PTFE, Stainless Steel |
| 5 | Body | Gray Cast Iron, Ductile Iron, Cast Steel, Stainless Steel |
| 6 | Seat Ring | NBR, EPDM, PTFE, VITON |
| 7 | Disc | Gray Cast Iron, Ductile Iron, Cast Steel, Stainless Steel, Aluminium Bronze |
| 8 | Shaft | 2Cr13, 1Cr18Ni9Ti, 304, 316, 316L Stainless Steel |
| 8 | Shaft Pin | 2Cr13, 1Cr18Ni9Ti, 304, 316, 316L Stainless Steel |
| 9 | Packing or "O" ring | NBR, EPDM, PTFE, VITON |
| 10 | Packing Gland | Ductile Iron, Carbon Steel, Stainless Steel |
| 11 | Yoke | Cast Iron, Cast Steel |
| 12 | Worm Gear | Cast Iron, Ductile Iron, Carbon Steel |
| 13 | Hand Lever, Hand Wheel | Ductile Iron, Malleable Cast Iron, Carbon Steel |
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