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A screw-in, cartridge-style, direct-acting, spool-type, hydraulic pressure reducing/re-lieving valve with internal pilot and internal spring chamber drain, designed to act as a pressure-regulating device for secondary circuits. It is intended for use in stable input flow circuits.
In its steady state, the PR10-32 allows flow to pass bidirectionally from ➁ to ➀, with the spring chamber constantly drained at ➂On attainment of a pre-determined pressure at ➀, the cartridge shifts to restrict input flow at ➁, thereby regulating pressure at ➀. In this mode, the valve will also relieve ➀ to ➂ at approximately 10 bar (150 psi) over the reducing setting.Note: Direct-acting PR series valves may not be suitable for some static load
applications. Consult factory.
• Adjustments cannot be backed out of the valve.
• Adjustments prohibit springs from going solid.
• Optional spring ranges to 145 bar (2100 psi).
• Hardened spool and cage for long life.
• Industry common cavity.
Operating Pressure: 207 bar (3000 psi)
Flow: See Performance Chart
Internal Leakage ➁
to ➂
: 82 cc/minute (5 cu. in/minute) max. at ΔP 207 bar (3000 psi)
Standard Spring Ranges (Reducing Function):5.5 to 27.6 bar (80 to 400 psi) 13.8 to 55.2 bar (200 to 800 psi)20.7 to 103 bar (300 to 1500 psi)27.6 to 145 bar (400 to 2100 psi)
Temperature: -40 to 120°C with standard Buna seals
Filtration: See page 9.010.1
Fluids: Mineral-based or synthetics with lubricating properties at viscosities of 7.4 to 420 cSt (50 to 2000 sus); See Temperature and Oil Viscosity, page 9.060.1
Installation: No restrictions; See page 9.020.1
Cavity: VC10-3; See page 9.110.1
Cavity Tool: CT10-3XX; See page 8.600.1
Seal Kit: SK10-3X-BM; See page 8.650.1
