Plast-O-Matic Valves, Inc. Datasheets for Pressure Regulators

Pressure regulators are used to maintain a constant outlet pressure or flow.
Pressure Regulators: Learn more

Product Name Notes
1/2" Plastic Pressure Regulators -- PRHM Features: Series PRHM design incorporates a poppet seat, double u-cups, large area rolling diaphragm and one piece body construction. A pressure balanced shaft assures smooth and stable control, while the...
Process Cooling Water Stick -- PCWS Series PCWS supply side or Series PCWR return side assemblies simplify piping and provide superior strength. Fully customizable with choice of valves, flow, and pressure controls; pressure and temperature gauges,...
Plastic Pressure Regulators -- PRH Series PR/PRH/PRHM Downstream pressure reducing valve features large area rolling diaphragm, ultra-smooth operation and isolated spring control. Molded and machined valves in 1/4″ through 4″ and metric pipe sizes in...
Air-Loaded Pressure Regulators -- PRA Series PRA/PRAM features two opposing large area frictionless rolling diaphragms. Process pressure is applied to one of the diaphragms; air pressure is applied to the other. Because the air pressure...
Differential Pressure Regulators -- PRD Series PRD/PRDM is a differential pressure regulator with a port for a downstream pressure sensing line. The sensing line feeds the pressure downstream of the equipment being protected to the...
Ultra-Pure Pressure Regulator -- PRU Series PRHU Downstream pressure reducing valve features metal ion-free EPDM large area rolling diaphragm, ultra-smooth operation and isolated spring control. BCF spigots in 1/2″ – 3″ or 20 – 90mm...
Closed Loop Pressure Regulator -- PRS Series PRS patented Stabilizer is used with Series PRA. The Stabilizer reacts to downstream liquid pressure and provides continuous feedback control to the compressed air supply, for even greater regulator...
In-Line Pressure Relief Valve -- RVDT Series RVDT/RVDTM is a universal automatic backpressure control valve for pressure relief, pump backpressure, pump bypass, anti-siphon, and backpressure regulator applications. Thermoplastic or Metal Valves designed for smooth, sensitive operation...
Angle Pressure Relief Valve -- RVT Series RVT/RVTX is a high capacity angle pattern valve for relief, bypass, backpressure and pump backpressure applications with excellent corrosion resistance. 1/2″ – 2″ sizes in most popular thermoplastic materials...
Pressure Regulators -- UPR Series UPR Downstream pressure reducing valve features elastomer-free design (pressure will equalize in a no-flow condition) and the ultimate purity levels, as verified by independent test labs. BCF spigots, flare,...