The Cashco Model 6987 is a heavy duty, high pressure , self- contained The Model 123 is a relief regulator suitable as a back water pressure regulator or bypass valve for controlling inlet pressure between 2 and 350 psig (.14 to 24.1 Barg) (525 psig (36.2 Barg) at 50% build-up). The body has an angle configuration with a side inlet and a bottom outlet. Sizes are 1/2", 3/4", 1", 1-1/2" and 2" (DN15, 20, 25, 40 and 50). Available options include cryogenic construction, NACE construction and a large selection of trim, body and diaphragm materials. It is the most adaptable back pressure / relief regulator Cashco manufactures. Designed for controlling a wide range of fluids including air,inert gases, cryogenic gas or liquids, sour gas, chemicals, water, fuel oil and steam.
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