Airgas Model C645F Stainless Steel High Purity Two Stage Pressure Regulator With 1/4" FNPT Connection And Threaded Seat Regulator If used in corrosive service

If used in corrosive service

The optional bonnet vent adapter allows venting of hazardous gases in the event of diaphragm failure

The pigtails are flexible stainless steel for easy cylinder connection

low maintenance design features a PCTFE seat for wide media compatibility

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

Airgas Model C645F Stainless Steel High Purity Two Stage Pressure Regulator With 1/4" FNPT Connection And Threaded Seat Regulator If used in corrosive serviceThis 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