Pressure Relief Valves
Pressure Relief Valves to protect RO systems and equipment from damage due to high pressure.
Series RVDM in-line pressure relief valve features a primary rolling diaphragm and a secondary flat diaphragm which incorporates the Plast-O-Matic patented Fail-Dry design for added protection. For use as back pressure valve, straight relief, by-pass relief or back pressure regulator.
Relief setting is infinitely adjustable from 5 psi to 100 psi. 1/2" size to 120 psi. Maximum inlet pressure is 150 psi. Not recommended for applications with vacuum or backpressure on the outlet
Pressure Relief Valves Ordering Information
| Model No. | Connection | Material | Range (PSI) |
| YVPR5423005 | ½” NPT | PVC | 5-120 |
| YVPR5423007 | ¾” NPT | PVC | 5-100 |
| YVPR5423010 | 1” NPT | PVC | 5-100 |
Benefits of Plast-O-Matic Pressure Relief Valves for Commercial RO
- Protect systems and equipment from dangerous overpressures.
- Rolling Diaphragm Eliminates Crystallization Problems.
- Fail-Dry Patented Safety Design.
- Sensitive Smooth Operation.
- All Plastic Adjusting Screw.
- For use as back pressure valve, straight relief, by-pass relief or back pressure regulator.
- Offer wide range of pressure settings from 5-120 PSI with sensitive operation.
- 5 to 100 PSI (0.4 to 6.9 bar) Setting Range – 120 PSI (8.3 bar) on1/2 in. size.
Plast-O-Matic Pressure Relief Valve Features
- Rolling diaphragm provides high accuracy, prevents crystallization.
- Flat secondary diaphragm provides a second isolation of the control spring.
- Patented Fail-Dry® safety vent gives advance warning of need to replace primary seal.
- In-line pattern in 1/2″, 3/4″ and 1″ pipe sizes.
- No wetted metals.
- PVC Construction with EPDM Seals. (Other materials available for special order.)
Applications for Plast-O-Matic Pressure Relief Valves
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