The Ductile Iron Dual Plate Wafer Check Valve PN 16 — 1082A is listed under Hrivika's Check Valve range in our Valves catalogue. It is listed in fifteen sizes, from 1 1/2" (40 mm) to 24" (600 mm).
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. Ductile iron construction, Wafer between ANSI B Class-125/150 flanges ends. Tested to 24 bar shell / 17.6 bar; up to -18 to 80°C. For water. API 594; SS plates; nitrile lining.
| Orientation | Horizontal or vertical |
| Mechanism | Dual spring plates (wafer) |
| Ends / flange std | Wafer between ANSI B Class-125/150 flanges |
| Shell test | 24 bar |
| Seat test | 17.6 bar |
| Max temp | -18 to 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 |
| 16" | 400 |
| 18" | 450 |
| 20" | 500 |
| 24" | 600 |
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