Airgas Model C645D590 Stainless Steel High Purity Two Stage Pressure Regulator With 1/4" FNPT Connection And Threaded Seat shoptok The external nickel plating

The external nickel plating

convoluted Hastelloy C-22 diaphragm provides good regulating performance and maximum purity integrity without the need for a soft seal

single-stage

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

which often can be a source of contamination

Airgas Model C645D590 Stainless Steel High Purity Two Stage Pressure Regulator With 1/4" FNPT Connection And Threaded Seat shoptok The external nickel platingThis series of two stage, high purity 316 stainless steel regulators is designed for non corrosive analytical and process applications requiring precise, stable delivery pressure control. The two stage design yields a delivery pressure change of less than 0. 04 100 psi inlet change. Convoluted 316 stainless steel diaphragms provide excellent regulating characteristics and corrosion resistance, and the threaded seat design allows for internal vacuum