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OPW, Overfill Prevention Valves, Underground Storage Tank Equipment
OPW 71SO Overfill Prevention Valve
Price range: $918.99 through $1,092.99
The OPW 71SO is a vapor-tight two-stage shut-off valve. When the liquid level rises to about 95% of tank capacity, the valve mechanism is released, closing automatically with the flow. This reduces the flow rate to approximately 5 gpm through a bypass valve. The operator may then stop the filling process and disconnect and drain the delivery hose. As long as the liquid exceeds the 95% level, the valve will close automatically each time delivery is attempted.
Materials
- Valve Body:Â Cast aluminum
- Float:Â Nitrile rubber, closed cell foam
- Valve:Â Aluminum
- Seals: Viton®
- Upper & lower drop tube:Â Aluminum
- Plastic parts:Â Acetal
- Hardware: Stainless steel
| Weight | 16 lbs |
|---|---|
| Dimensions | 60 × 6 × 6 in |
| Bury Depth | 5', 10' |
| Vapor Tight | Yes, No |
| Tank Diameter | 8', 10' |
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