Airgas Model C444D350 Supelcoat™ Coated Stainless Steel High Purity Single Stage Pressure Regulator With 1/4" FNPT Connection And Threadless Seat Two Stage non-lubricated check valve incorporated into

non-lubricated check valve incorporated into nose and prevents air and contaminants from entering the gas stream during cylinder change out

a stainless steel diaphragm in the second stage and a preset safety relief valve

two-stage regulators is recommended for non-corrosive analytical and process applications where precise pressure control is required

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Airgas Model C444D350 Supelcoat™ Coated Stainless Steel High Purity Single Stage Pressure Regulator With 1/4" FNPT Connection And Threadless Seat Two Stage non-lubricated check valve incorporated intoThese 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