ASTM A536 65-45-12 Backwater Valves, Ductile Iron, 175 PSI
Product Item: Ductile Iron Backwater Valve
Material: Ductile Iron ASTM A536 Grade 65-45-12
Temperature Range: 0°C to 80°C
Coating: Painting
Working Pressure: 175 PSI
Connection Ends: ASTM A888
Material Specification
| Part No. | Part | Standard Specification |
| 1 | Valve Body | ASTM A536, 65-45-12 |
| 2 | O-Ring | NBR |
| 3 | Bonnet | ASTM A536, 65-45-12 |
| 4 | Bolt | AISI 304 |
| 5 | Nut | AISI 304 |
| 6 | Disc | ASTM B62 C83600 |
| 7 | Seat | ASTM B62 C83600 |
| 8 | Disc Seat Ring | EPDM |
Note: For Special material request that differ from standard specification, please clearly indicate them on the inquiry or order list.
Valve Dimensions
| DN | PSI | Dimensions (mm) | |||||
| Inch | mm | L | A±2.29 | B | C (min) | D | |
| 4" | 100 | 175 | 305 | 112.78 | 7.87 | 50 | 29 |
| 8" | 150 | 175 | 457 | 214.38 | 7.87 | 101 | 51 |
Note: Only 4 " has been FM approved. Other dimensions are under application.
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- Phone: 86-592-5204188
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