APRV - Absolute Pressure Relief Valve

Intended for pressure relief in applications requiring constant absolute set pressure independent of ambient pressure changes.

Developed primarily for liquid helium dewars and extreme low-temperature environments subject to correct sizing and media compatibility.

Set pressure range: 1.02 to 1.65 bara absolute.

Permissible operating temperature: -62 °C to +176 °C.

Product overview: Absolute pressure relief valve constructed primarily of brass, 1/4" NPT or dual-ferrule tube connection, set pressure range 1.02 to 1.65 bara absolute.

Function: Spring-loaded pressure relief valve for applications requiring constant set pressure independent of changes in ambient pressure or altitude.

Media: Developed primarily for liquid helium dewars and extreme low-temperature applications. Media compatibility and sizing must be verified for the application.

Factory setting / testing: Factory preset and 100% tested for leakage, crack pressure and reseat performance.

Oxygen service: Optional gereinigt und verpackt für Sauerstoffservice gemäß CGA G-4.1.

Seals: Fluorosilicone seal, lubricated with Krytox.

Permissible operating temperature: -62 °C to +176 °C.

Inlet: 1/4" NPT or dual-ferrule tube connection, depending on version.