These unique patented general-purpose two-stage regulators are recommended for analyticalnon-corrosive, general plant, pilot plant and mainte-nance shop applications. These regulators have aunique design to reduce weight and make the regulatormore durable. The composite bonnet and the outletvalve are incorporated into the regulator body to reduceweight. The external nickel plating, along with the com-posite bonnets, allows the exterior surfaces to maintaina good appearance in outdoor environments.Two-stage design, with its 316 stainless steeldiaphragms, provides precise pressure control from fullcylinder to almost empty. A preset safety relief valvemakes these regulators suitable for use only with non-corrosive gases.