PGR-1 Pressure Gas RegulatorThe new PGR-1 Pressure Gas Regulator valve from Cashco, Inc. is a high-accuracy, pressure-loaded, pilot-operated, pressure-reducing regulator. The PGR-1 is available in 1, 1½, 2, 3 and 4-inch body sizes, with more to follow, and can be ordered in four basic materials with multiple trim material combinations. This regulator can also be configured for operating temperatures ranging from -70 to +250 F and outlet pressure set points between 2-inch water column and 200 psig depending upon body/cover and dome/diaphragm material combinations.