The Cast Iron Dual Plate Wafer Check Valve PN 16 — 1082 is listed under Hrivika's Check Valve range in our Valves catalogue. It is listed in 1 1/2" (40 mm), 2" (50 mm), 2 1/2" (65 mm), 3" (80 mm), 4" (100 mm) and 5" (125 mm), among eleven in total.
One-way (non-return) valve for 40 mm (1 1/2") lines — flow pushes it open, reverse flow shuts it automatically; no handle. Dual spring plates (wafer) design, works in horizontal or vertical lines. Cast iron construction, Wafer between ANSI B Class-125/150 flanges ends. Tested to 24.5 kg/cm² shell / 16 kg/cm²; up to 80°C. For water. API 594. Minimises water hammer; SS/bronze plates (350 mm plate is bronze).
| Orientation | Horizontal or vertical |
| Mechanism | Dual spring plates (wafer) |
| Ends / flange std | Wafer between ANSI B Class-125/150 flanges |
| Shell test | 24.5 kg/cm² |
| Seat test | 16 kg/cm² |
| Max temp | 80°C |
| Fluids | Water |
| Size (inch) | Size (mm) |
|---|---|
| 1 1/2" | 40 |
| 2" | 50 |
| 2 1/2" | 65 |
| 3" | 80 |
| 4" | 100 |
| 5" | 125 |
| 6" | 150 |
| 8" | 200 |
| 10" | 250 |
| 12" | 300 |
| 14"* | 350 |
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