The Spec Master range of pipeline pressure relief valves are designed to fulfil the Pressure Equipment Directive (PED) 97/23/EC Category IV. Therefore they are CE marked. This range of pipeline pressure relief valves is available in conjunction with a Gas-Arc gas control panel or as a seperate unit with a range of set vent pressures.

They are compatible with non-corrosive or toxic high purity gases up to grade 6.0 purity (99.9999%).

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