Airgas Model C444A540 Stainless Steel High Purity Single Stage Pressure Regulator With 1/4" FNPT Connection And Threadless Seat High Flow Pressure 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

making this one of the most accurate regulators available from full cylinder to empty

This minimizes cleanup time in vacuum purging and yields lower residual contaminant levels

This series of two-stage

Outlet Needle Valve - built into body

Airgas Model C444A540 Stainless Steel High Purity Single Stage Pressure Regulator With 1/4" FNPT Connection And Threadless Seat High Flow Pressure 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