Plast-O-Matic Series RVD Thermoplastic Angle Pattern Relief Valves

1/4 in.
1/2 in.
5 to 150 PSI
0.00 LBS
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• Single diaphragm provides quick response, prevents crystallization.
• Teflon® guides designed for smooth, chatter-free operation.
• Heavy-duty; machined from solid thermoplastics and built for corrosive applications.
• Designed for low maintenance and easy to adjust.
• Angle pattern in 1/4" and 1/2" pipe sizes.
• No wetted metal parts.


Series RVD angle pattern pressure relief valves features a single flat diaphragm which is an advantage where salt crystallization problems can cause valve sticking. Relief setting is infinitely adjustable from 5 psi to 150 psi. Maximum inlet pressure is 210 psi.

Materials of Construction

Available in PVC, Natural Polypropylene, PVDF and Teflon. Seals are available in EPDM or Viton®. The adjusting bolt, lock nut and fasteners are stainless steel. The control spring is plated steel. No metal parts are in contact with liquid