Airgas Model N245A350 Brass High Purity Two Stage Pressure Regulator With 1/4" FNPT Connection And Non-Lubricated Check Valve regulator these single-stage regulators are recommended

these single-stage regulators are recommended for use in petroleum field applications

short run work

along with the com-posite bonnets

The check valve cylinder connection prevents air and contaminants from entering the gas stream during cylinder changeout

Preset Safety Relief Valve - prevents excessive pressure buildup

Airgas Model N245A350 Brass High Purity Two Stage Pressure Regulator With 1/4" FNPT Connection And Non-Lubricated Check Valve regulator these single-stage regulators are recommendedThis series of two stage, high purity regulators is designed for non corrosive analytical and process applications requiring precise, stable, delivery pressure control. The two stage design yields a delivery pressure of less than 0. 02 100 psi inlet change. These regulators come with a CGA nipple that has a special high purity, non lubricated check valve incorporated into nose and prevents air and contaminants from entering the gas stream during