Small Valves
Medium-Sized Valves
Large Valves

Small Valves – For enclosures up to 33 cu.ft.*

PR1008 5/16-Inch One-Way Pressure Relief Valve

Diameter: 5/16 In
Housing: Aluminum
Housing Finish: Chem Film

Medium-Sized Valves – For enclosures between 33 and 416 cu.ft.* 

PR2001 2-Inch Pressure Relief Valve

Diameter: 2 In
Housing: Aluminum
Housing Finish: Black Anodized

PR2002 2-inch One-Way Pressure Relief Valve

Diameter: 2 In
Housing: Aluminum
Housing Finish: Black Anodized

VR2000 2-inch Vacuum Relief Valve

Diameter: 2 In
Housing: Aluminum
Housing Finish: Black Anodized

Large Valves – For enclosures over 416 cu.ft.*

553 4-inch One-Way Pressure Relief Valve

Diameter: 4 In
Housing: Aluminum
Housing Finish: Hard Anodized

554 4-inch One-Way Pressure Relief Valve

Diameter: 4 In
Housing: Aluminum
Housing Finish: Hard Anodized

PR4003 4-inch One-Way Pressure Relief Valve

Diameter: 4 In
Housing: Aluminum
Housing Finish: Black Anodized

PR4004 4-inch One-Way Pressure Relief Valve

Diameter: 4 In
Housing: Aluminum
Housing Finish: Black Anodized

PR5002 5-inch One-Way Pressure Relief Valve

Diameter: 5 In
Housing: Aluminum
Housing Finish: Black Anodized

PR5006 5-inch One-Way Pressure Relief Valve

Diameter: 5 In
Housing: Aluminum
Housing Finish: Black Anodized

PR5008 5-inch One-Way Pressure Relief Valve

Diameter: 5 In
Housing: Aluminum
Housing Finish: Black Anodized

*Based on industry rule-of-thumb and for reference only. Consult with our engineering department for guidance on valve selection.

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and we’ll help you choose the right valve.

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We can build a custom product
if a standard product doesn’t meet your requirements.

Our Products
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We’ll provide a quote
usually within 1-3 days.

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Some products ship within a week
Custom or build-to-order jobs typically ship within 8 weeks.

Need a different pressure setting, material, or finish?
Need something completely custom?

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