Airgas Model C445F326 Stainless Steel High Purity Two Stage Pressure Regulator With 1/4" FNPT Connection And Threadless Seat Safety Signage They are also equipped with

They are also equipped with a reverse-flow check valve to prevent backflow of gas into the regulator on the outlet

The convoluted Hastelloy C-22 diaphragms provide excellent regulating characteristics and allow for internal vacuum purging

Nickel-plated brass construction protects gas purity and ensures long regulator life when used with noncorrosive gases

the Model 2710 is for low-flow

Cortina 03-229-3418 24" x 24" Red/Orange Vinyl Flag w/36" Wooden Dowel

Airgas Model C445F326 Stainless Steel High Purity Two Stage Pressure Regulator With 1/4" FNPT Connection And Threadless Seat Safety Signage They are also equipped withThis series of 316 stainless steel two stage high purity regulators is designed for non corrosive analytical, mildly corrosive and process applications requiring precise, stable delivery pressure control. The two stage design yields a delivery pressure change of less than 0. 01 100 psi inlet change. Convoluted Hastelloy C 22 diaphragms provide excellent regulating characteristics and allow for internal vacuum purging. The metal to metal diaphragm seal