- Trained on our vast library of engineering resources.

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

Pressure relief valves are self-actuated safety valves designed to relieve excess pressure upstream from the line.
Pressure Relief Valves: Learn more

Product Name Notes
Series RVD rugged compact designed for use as back pressure valve, straight relief, by-pass relief or back pressure regulator. 1/4″ and 1/2″ sizes in most popular thermoplastic materials and connections;
Series RVDM features a primary rolling diaphragm and a secondary flat diaphragm which incorporates the Plast-O-Matic patented Fail-Dry design for added protection. The rolling diaphragm provides greater sensitivity than non-diaphragm...
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...
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...
Series TRVDT is a high flow relief/by-pass valve with 3-port design, ideal for applications where minimal footprint is required or where use of a piping tee is impractical. Valve has...
Features: Economical, multi-purpose valve functions as relief valve, bypass valve, backpressure regulator, pump backpressure valve, anti-siphon valve Corrosion-resistant design features no wetted metals or elastomers Responsive, high flow design Non-rising...