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Preset Safety Relief Valve - prevents excessive pressure buildup
This series of Airgas® heavy-duty high pressure cylinder regulators is recommended for use on cylinders or panel mounting with a wide variety of non-corrosive inert gases
This regulator also features a non-lubricated needle valve
calibration kits
Because delivery pressure of acetylene should not exceed 15 psig
Airgas Model C445F590 Stainless Steel High Purity Two Stage Pressure Regulator With 1/4" FNPT Connection And Threadless Seat regulator Preset Safety Relief Valve -These regulators are recommended for use with acid forming gases where brass and copper free systems are required. The proven, low maintenance design features a PCTFE seat for wide media compatibility. Note: A Cross Purge Assembly must be used in conjunction with these models in order to ensure effective purging of hazardous gas traces during cylinder change out.