Airgas Model C445B330 Supelcoat™ Coated Stainless Steel High Purity Two Stage Pressure Regulator With 1/4" FNPT Connection And Threadless SeatThis 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

The two-stage design yields a delivery pressure of less than 0

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

mass spectrometers

They feature a brass piston sensor in the first stage

low maintenance design features a PCTFE seat for wide media compatibility

general plant

This general-purpose

purging and charging

These two-stage regulators are also ideal for medical diagnostic applications

calorimetric testing

01/100 psi inlet change

with its 316 stainless steel diaphragms