Air, Inert Gas & Liquids Pressure Relief Valves

Available446 products

Pressure-relief valves for use with air, inert gas, and liquids open automatically when pressure in a system builds up and exceeds a preset limit. Select valves are rated by The American Society of Mechanical Engineers (ASME) to designate their intended function under normal operating conditions.

ASME Section VIII & XIII Air, Inert Gas & Liquids Pressure Relief Valves

ASME Section VIII & XIII Air, Inert Gas & Liquids Pressure Relief Valves
Pressure-relief valves for air, inert gas, and liquids comply with ASME Section VIII codes, which certifies they are designed, tested, and inspected to comply with minimum industrial safety standards. These valves pair with fired and unfired pressure vessels.

15 psi Factory Set Pressure

MNPT x FNPT Connection Type

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30 psi Factory Set Pressure

MNPT x FNPT Connection Type

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40 psi Factory Set Pressure

MNPT x FNPT Connection Type

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45 psi Factory Set Pressure

MNPT x FNPT Connection Type

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65 psi Factory Set Pressure

MNPT x FNPT Connection Type

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75 psi Factory Set Pressure

MNPT x FNPT Connection Type

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90 psi Factory Set Pressure

MNPT x FNPT Connection Type

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115 psi Factory Set Pressure

MNPT x FNPT Connection Type

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140 psi Factory Set Pressure

MNPT x FNPT Connection Type

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165 psi Factory Set Pressure

MNPT x FNPT Connection Type

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175 psi Factory Set Pressure

MNPT x FNPT Connection Type

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190 psi Factory Set Pressure

MNPT x FNPT Connection Type

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215 psi Factory Set Pressure

MNPT x FNPT Connection Type

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240 psi Factory Set Pressure

MNPT x FNPT Connection Type

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265 psi Factory Set Pressure

MNPT x FNPT Connection Type

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Non-Code Air, Inert Gas & Liquids Pressure Relief Valves

Non-Code Air, Inert Gas & Liquids Pressure Relief Valves
These non-code pressure-relief valves are calibrated to factory specifications based on the manufacturer’s rated working pressure (MRWP). They are often used for residential and non-public applications where ASME-rated valves are not required.

Factory Set Pressure: Unspecified

FNPT x FNPT Connection Type

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MBSPP x Barb Connection Type

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10 psi Factory Set Pressure

MNPT x FNPT Connection Type

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15 psi Factory Set Pressure

FNPT x FNPT Connection Type

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MNPT x FNPT Connection Type

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25 psi Factory Set Pressure

MNPT x FNPT Connection Type

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30 psi Factory Set Pressure

MNPT x FNPT Connection Type

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35 psi Factory Set Pressure

MNPT x FNPT Connection Type

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40 psi Factory Set Pressure

FNPT x MNPT Connection Type

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50 psi Factory Set Pressure

FNPT x FNPT Connection Type

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Let-Lok x Let-Lok Connection Type

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MNPT x FNPT Connection Type

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MNPT x Let-Lok Connection Type

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60 psi Factory Set Pressure

MNPT x FNPT Connection Type

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65 psi Factory Set Pressure

FNPT x MNPT Connection Type

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75 psi Factory Set Pressure

FNPT x FNPT Connection Type

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MNPT x FNPT Connection Type

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MNPTF x FNPTF Connection Type

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80 psi Factory Set Pressure

Crimped x Crimped Connection Type

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FNPT x FFPT Connection Type

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100 psi Factory Set Pressure

FNPT x FNPT Connection Type

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MNPT x FNPT Connection Type

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115 psi Factory Set Pressure

FNPT x MNPT Connection Type

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MNPT x FNPT Connection Type

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125 psi Factory Set Pressure

Crimped x Crimped Connection Type

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FNPT x FFPT Connection Type

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MNPT x FNPT Connection Type

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MNPTF x FNPTF Connection Type

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PEX x PEX Connection Type

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Socket x Socket Connection Type

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150 psi Factory Set Pressure

MNPT x FNPT Connection Type

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175 psi Factory Set Pressure

MNPT x FNPT Connection Type

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200 psi Factory Set Pressure

FNPT x FNPT Connection Type

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MNPT x FNPT Connection Type

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215 psi Factory Set Pressure

FNPT x MNPT Connection Type

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240 psi Factory Set Pressure

FNPT x MNPT Connection Type

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MNPT x FNPT Connection Type

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250 psi Factory Set Pressure

MNPT x FNPT Connection Type

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265 psi Factory Set Pressure

MNPT x FNPT Connection Type

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300 psi Factory Set Pressure

MNPT x FNPT Connection Type

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315 psi Factory Set Pressure

FNPT x MNPT Connection Type

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400 psi Factory Set Pressure

FNPT x FNPT Connection Type

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MNPT x FNPT Connection Type

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500 psi Factory Set Pressure

FNPT x FNPT Connection Type

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600 psi Factory Set Pressure

MNPT x FNPT Connection Type

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1,000 psi Factory Set Pressure

FNPT x FNPT Connection Type

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5,000 psi Factory Set Pressure

Let-Lok x Let-Lok Connection Type

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Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order.
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