Airgas Model C444F326 Stainless Steel High Purity Single Stage Pressure Regulator With 1/4" FNPT Connection And Threadless Seat Low Pressure They are available with a

They are available with a CGA-cylinder valve connection for use on large cylinders

Cortina 2054SB 4 foot Speed Bump - Black Rubber w/ Yellow Reflective Stripes

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

Cortina 03-600-01 - 36" Yellow Lamba Cone - Caution Safety First (English/Spanish)

Airgas Model C444F326 Stainless Steel High Purity Single Stage Pressure Regulator With 1/4" FNPT Connection And Threadless Seat Low Pressure They are available with aThese 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