Airgas Model C444F705 Stainless Steel High Purity Single Stage Pressure Regulator With 1/4" FNPT Connection And Threadless SeatThese 316 stainless steel single stage high purity regulators are recommended for non corrosive analytical, mildly corrosive and process applications where precise flow control is not critical. A specially designed, convoluted Hastelloy C 22 diaphragm provides good regulating performance and maximum purity integrity without the need for a soft seal, which often can be a source of contamination. Each regulator is capable of withstanding an internal

They feature a brass piston sensor in the first stage

These models feature encapsulated filter assemblies to protect the valve seat from contamination

These unique patented general-purpose two-stage regulators are recommended for analytical non-corrosive

These two-stage positive-seal regulators feature convoluted

Powder-coat paint finish

These regulators feature a rugged brass piston

The 820 Series is configurable for most applications

The external nickel plating

The low torque control knob and self-relieving feature permit easy adjustment of pressure in closed or dead-end systems

000 liters per minute without the resonance problems associated with other regulators in this same application

catalytic reduction

pilot plant and maintenance shop applications