The Bronze Horizontal Check Valve (Screwed) - Heavy — 1011 is listed under Hrivika's Check Valve range in our Valves catalogue. It is listed in ten sizes, from 1/4" (8 mm) to 3" (80 mm).
One-way (non-return) valve for 8 mm (1/4") lines — flow pushes it open, reverse flow shuts it automatically; no handle. Lift (gravity) disc design, for horizontal pipe runs only. Bronze construction, Screwed BSP (IS 554) ends. Tested to 35 kg/cm² shell / 20 kg/cm²; up to 80°C. For water, oil. All-bronze including bonnet; heavy pattern.
| Orientation | Horizontal only |
| Mechanism | Lift (gravity) disc |
| Ends / flange std | Screwed BSP (IS 554) |
| Shell test | 35 kg/cm² |
| Seat test | 20 kg/cm² |
| Max temp | 80°C |
| Fluids | Water, Oil |
| Size (inch) | Size (mm) |
|---|---|
| 1/4" | 8 |
| 3/8" | 10 |
| 1/2" | 15 |
| 3/4" | 20 |
| 1" | 25 |
| 1 1/4" | 32 |
| 1 1/2" | 40 |
| 2" | 50 |
| 2 1/2" | 65 |
| 3" | 80 |
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