Airgas Model C445F Stainless Steel High Purity Two Stage Pressure Regulator With 1/4" FNPT Connection And Threadless SeatThis 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

Composite bonnets - reduce weight and extend finish in outdoor environments

Each regulator features a large diaphragm which provides excellent performance and precise pressure control

The Airgas® heavy-duty high-pressure cylinder regulator’s piston sensor design provides structural reliability in high-pressure applications

In addition

They feature a brass piston sensor in the first stage

This regulator also has both a front and rear panel mount bonnet to allow for easy panel mounting

The check valve cylinder connection prevents air and conta-minants from entering the gas stream during cylinder changeout

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

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

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

This series of two-stage

unique in a compact unit