Airgas Model C445F660 Stainless Steel High Purity Two Stage Pressure Regulator With 1/4" FNPT Connection And Threadless Seat Switchover allows the exterior surfaces to

allows the exterior surfaces to maintaina good appearance in outdoor environments

which provides increased safety and reliability at high delivery pressures

Stainless Steel Diaphragmseliminates outgassing associated with elastometric diaphragms

Complies with NFPA 70E Electrical Arc Testing and ASTM F739-12 for Permeation of Liquids and Gases

Airgas Model C445F660 Stainless Steel High Purity Two Stage Pressure Regulator With 1/4" FNPT Connection And Threadless Seat Switchover allows the exterior surfaces toThis series of 316 stainless steel two stage high purity regulators is designed for non corrosive analytical, mildly corrosive and process applications requiring precise, stable delivery pressure control. The two stage design yields a delivery pressure change of less than 0. 01 100 psi inlet change. Convoluted Hastelloy C 22 diaphragms provide excellent regulating characteristics and allow for internal vacuum purging. The metal to metal diaphragm seal