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FRC relief valves provide high performance in the smallest possible size, with standard techniques applied as needed for stability, low pressure drop or unique features such as separate pressure reference, and flow compensation for low pressure drop. Units are available in cartridges or in separate housings.
Pilot operated types have very low pressure rise, rivaling much larger units, with very fast response capability and stable performance. Differential area reliefs are simple, rugged and can replace much larger direct operated reliefs. Direct operated reliefs are also available with own performance enhancements.
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| Specifications |
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| Fluid Specification |
All hydraulic oils, lubricants or fuels |
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| Fluid Temperature |
-65°F to +275°F (-54°C to +135°C) |
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| Air Temperature |
-65°F to +275°F (-54°C to +135°C) |
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| Pressure |
Maximum Operating |
6000 PSI (408 bar) |
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Proof |
9000 PSI (612 bar) |
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Burst |
12000 PSI (816 bar) |
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| Mounting/Configuration Options |
Cartridge, Inline, Manifold, etc. |
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| Normal System Pressure |
100 to 6000 PSI (6.9 to 408 bar) |
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| Maximum Flow |
to 130 GPM (492 LPM) |
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| Cracking Pressure |
0.1 to 6000 PSI (0.68 to 408 bar) |
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| Maximum Full Flow Pressure |
0.2 to 7000 PSID (1.3 to 476 bar) |
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| Maximum Delta Pressure |
7000 PSI (476 bar) |
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| Reseat Pressure |
90% of Crack Pressure |
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| Reseat Leakage Rate |
12 cc or as required |
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| Opening Times |
from 2 ms |
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