Protectoseal Series 7300D Overflow Valve eliminates an open overfill pipe connection into the vapour space of the tank.

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The Series 7300D is not a primary pressure relief device. Its function is to provide sealing of a liquid overflow pipe against gross vapour or liquid leakage until the set point of the valve is reached.

Features of the Series 7300D Overflow Valve:

Mounts on storage tank overflow pipe
Vents directly to atmosphere
Sizes 2" (DN 50) through 12" (DN 300)
Pressure setting achieved by weight loading
Hinged/counterweight design allows for higher settings
Patented, FEP Film "Air-Cushioned Seating"
Low-Leak Pallet Design
Available in Carbon Steel, Stainless Steel, and C276

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The Series 7300D is not a primary pressure relief device. Its function is to provide sealing of a liquid overflow pipe against gross vapour or liquid leakage until the set point of the valve is reached.

Features of the Series 7300D Overflow Valve: