Airgas Model N245B590 Brass High Purity Two Stage Pressure Regulator With 1/4" FNPT Connection And Non-Lubricated Check Valve Two Stage The metal-to-metal diaphragm seal prevents

The metal-to-metal diaphragm seal prevents contamination by eliminating the need for a soft seal and provides a leak-rate design of less than 2 x 10–8 ccs helium

The composite bonnet and the outletvalve are incorporated into the regulator body to reduceweight

Specially designed for acetylene service

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

Red OSHA perimeter marker flags measure 105' in length and have 7 1/2" x 17" red pennants

Airgas Model N245B590 Brass High Purity Two Stage Pressure Regulator With 1/4" FNPT Connection And Non-Lubricated Check Valve Two Stage The metal-to-metal diaphragm seal preventsThis 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