1/2 Inch Tank Mount Float Valves – .312 Oriface


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The 1/2" Tank Mount Float Valve enables users to connect reverse osmosis systems to an open water storage tank. Similar to a float valve seen in a toilet tank, the mechanism works by allowing purified water to flow through the tank, once the top water level is reached the valve shuts off access to prevent overflow. Constructed with heavy-duty non-corrosive PVC with replaceable Santoprene rubber seals. For use with 3" or 6" x 1.4" stainless steel rods and 4" x 5" float balls.

  • Flow rate of 8 GPM at 20 PSI and 15 GPM at 60 PSI
  • 1/2" NPT inlet and outlet
  • 0.312 orifice

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1/2 Inch Tank Mount Float Valves – .312 Oriface

This heavy-duty, non-corrosive, PVC float valve has a .312” orifice size and is tank (bulkhead) mounted with a 1/2″ pipe thread inlet and outlet. For use with 3” or 6” rods and 4”x 5” or 2”x 2”x 4” floats.

  • Construction: NSF-approved PVC, 18-8 stainless steel hardware
  • Seal: Santoprene rubber


Pipe Size – Inlet (in) 1/2 NPT Tank
Pipe Size – Outlet (in) 1/2 NPT
Orifice Size (in) 0.312
Free Discharge Flow Capacity – 20 PSI 8 GPM
Free Discharge Flow Capacity – 60 PSI 15 GPM


Weight 0.01 lbs
Dimensions 4 × 3 × 1.2 in
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