Airgas Model C444D590 Supelcoat™ Coated Stainless Steel High Purity Single Stage Pressure Regulator With 1/4" FNPT Connection And Threadless Seat Regulator The low torque control knob

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

A diaphragm packless outlet valve with a 1/4" compression fitting is provided for flow control and to maintain system purity

The metal-to-metal diaphragm seal prevents contamination by eliminating the need for a soft seal and provides a leak-rate design of less than 2 x 10–8 ccs helium

allows the exterior surfaces to maintain a good appearance in outdoor environments

Environmental testing processes where the gases would have formaldehyde and HF would also benefit from using these products

Airgas Model C444D590 Supelcoat™ Coated Stainless Steel High Purity Single Stage Pressure Regulator With 1/4" FNPT Connection And Threadless Seat Regulator The low torque control knobThese 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