PGR-1 valve is a high-accuracy, pressure-loaded, pilot-operated, pressure-reducing regulator. It's available in 1-, 1 ½-, 2-, 3- and 4-inch body sizes, and can be ordered in four basic materials with multiple trim material combinations. It’s configurable for operating temperatures from -70° to +250 °F and outlet pressure setpoints between 2-inch water column and 200 psig, depending upon body/cover and dome/diaphragm material combinations.