Griffco PRMP-Series diaphragm pressure relief valves are designed to protect chemical feed systems from over pressure damage caused by defective equipment or a blockage in the chemical feed line. Robust construction ensures reliability in the rigorous service of municipal and industrial applications. Wetted materials include: 316 SS, A20, Hast. C and Titanium. Available sizes: 1/4″ – 1″.
Metallic Medium Pressure Relief Valves
Valve Features
- Solid, robust, single-piece machined construction
- Anti-siphon function
- Available in 316 SS, A20, Hast. C and Titanium
- Adjustable up to 800 psi (55 bar)
- Valve sizes from 1/4" to 1" or DN 8 to DN 25
- Tamper-resistant adjustment screw
Griffco Benefits
- High reliability at affordable price
- Long diaphragm life
- Multiple diaphragm material options
Available Sizes
- 1/4" to 1" or DN 8 to DN 25
Wetted Materials
- 316 SS
- A20
- Hast. C
- Titanium
| Size | Maximum Flow | Maximum Pressure | |||||
| Pulsating | Continuous | ||||||
| Inch | Metric | GPH | LPH | GPM | LPM | PSI | BAR |
| 1/4" | DN 8 | 250 | 946 | 13 | 49 | 800 | 55 |
| 3/8" | DN 10 | 490 | 1,854 | 25 | 94 | 800 | 55 |
| 1/2" M-Series | DN 15 | 700 | 2,649 | 36 | 136 | 800 | 55 |
| 1/2" G-Series | DN 15 | 740 | 2,801 | 38 | 143 | 800 | 55 |
| 3/4" | DN 20 | 850 | 3,217 | 44 | 166 | 800 | 55 |
| 1" | DN 25 | 1,060 | 4,012 | 56 | 211 | 800 | 55 |
Medium Pressure PRMP - Documents
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