Relief Valves - 3/8" Male NPT

This series of relief valves have a 3/8" male NPT end with a vent to atmosphere. Our relief valves are designed for repeatable and accurate sealing. Cracking pressure is permanently locked in at the factory.

Available in aluminum, brass, and 316 stainless steel.

Choose the type of Oring you would like and the cracking pressure.



Product Image Weight- Item Name Price
Brass - 3/8" male NPT 0.3

Brass - 3/8" male NPT

Vent to atmosphere relief valve with a 3/8" male NPT connection. Specifications: Body Material: Brass Max Pressure: 200 PSI Orifice size: .325 Flow:...
$71.49
Sale: $47.90
Save: 33% off


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Alminum - 3/8" Male NPT 0.3

Alminum - 3/8" Male NPT

Vent to atmosphere relief valve with a 3/8" male NPT connection. Specifications: Body Material: Aluminum Max Pressure: 200 PSI Orifice size: .325...
$97.17
Sale: $65.10
Save: 33% off


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316 SST - 3/8" Male NPT 0.3

316 SST - 3/8" Male NPT

Vent to atmosphere relief valve with a 3/8" male NPT connection. Specifications: Body Material: 316 Stainless Steel Max Pressure: 200 PSI Orifice...
$192.03
Sale: $128.66
Save: 33% off


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