Airgas Model C445D350 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

These regulators are nickel-plated to maintaintheir appearance through years of service

a sintered stainless steel inlet filter and a stainless steel instrument valve

These regulators are constructed of aluminum alloy and are equipped with stainless steel gauges

These unique patented general-purpose two-stage regulators are recommended for analytical non-corrosive

A diaphragm packless outlet valve with a 1/4" compression tube fitting is provided for flow control and to maintain system purity

Nickel-plating keeps it looking good for a long time

single-stage regulator is well suited for closely monitored

A specially designed

Made of durable

These regulators can handle flows up to 250 liters per minute of nitrogen with only a 5 psig pressure drop

combustible adhesives and other flammable liquids that present a serious fire risk when improperly discarded

316 Stainless Steel Diaphragms - provide precise pressure control