
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 |
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