Airgas Model N245A580 Brass High Purity Single Stage Pressure Regulator With 1/4” FNPT Connection And Non-Lubricated Check ValveThese brass, single stage, high purity regulators are recommended for non corrosive analytical and process applications where precise flow control is not critical. A specially designed, convoluted, stainless steel diaphragm with metal to metal seals provides good regulating performance and maximum purity integrity without the need for a soft seal, which often can be a source of contamination. These regulators come with a CGA nipple that has a special

diaphragm packless outlet valve to maintain system purity

calibration kits

In addition

making this one of themost accurate regulators available from full cylinder toempty

Two 10 x 32 UNF-threaded holes in the body allow for bracket or external panel mounting

The composite bonnet and the outlet valve are incorporated into the regulator body to reduce weight

Choose a brass model for analytical or non-corrosive service or a stainless steel model for mildly corrosive service

Captured bonnet ports with optional vent adapters are standard on both stages and allow for the venting of hazardous gases in the event of diaphragm failure

The unique design of this regulator provides a continuous sweeping of the high pressure chamber

These regulators are recommended for use on low-pressure pipelines serving gas chromatographs

Machined from brass bar stock

with its 316 stainless steel diaphragms