Priority Pressure Compensators | Product Series

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Priority Pressure Compensators

Priority Pressure Compensators

Where to Buy

REGIONAL - Parker’s priority pressure compensators provide constant flow regardless of pressure changes via a fixed or adjustable orifice with priority to one outlet port at flows up to 95 lpm (25 gpm) and pressures up to 380 bar (5500 psi).

Technical Specifications

  • Maximum Flow Rate: 15, 25 gal/min, 56, 95 L/min
  • Pressure Differential: 40, 80, 160, 240 psi, 2.8, 5.5, 11, 16.5 bar
  • Flow Rate: 15, 25 gal/min, 56, 95 L/min
  • Maximum Priority Flow: 10, 20 gal/min, 38, 75 L/min
  • Adjustment Mechanism: Fixed, Knob, Screw, Tamper Resistant
  • Seal Material: Nitrile, Fluorocarbon
  • Maximum Operating Pressure: 3500, 5500 psi, 245, 380 bar
  • Maximum Inlet Pressure Rating: 3500, 5500 psi, 245, 380 bar
  • Cavity Size: C10-4, C12-4
  • Function: Priority Pressure Compensators
  • Actuation Type: Pressure Compensation
  • Flow Rate Accuracy: 10%, N/A
  • For Fluid Type: Mineral-based or synthetic hydraulic fluids
  • Maximum Kinematic Viscosity: 45-2000 SSU (6 to 420 cSt)
  • Filter Efficiency Rating: ISO 4406 18/16/13, SAE Class 4
  • Valve Material: All parts steel. All operating parts hardened steel
  • Installation Torque: 16, 21 lb-ft, 22, 29 Nm
  • Operating Temperature: -30 to +250, -15 to +400 °F, -34 to +121, -26 to +204 °C
  • Maximum Operating Temperature: +250, +400 °F, +121, +204 °C
  • Minimum Operating Temperature: -30, -15 °F, -34, -26 °C
  • Weight: 0.3 lbs, 0.62 lbs, 0.14 kg, 0.28 kg
  • Body Material: N/A
Safety Warning

Full Product Description

Parker’s family of priority pressure compensator valves feature a robust and contamination tolerant design that ensures consistent flow regardless of up or down stream pressures while providing priority to one outlet port. These valves can operate with hydraulic system flows as high as 95 lpm and pressures up to 380 bar with a variety of differential pressure setting and adjustment options. Parker’s pressure compensator valves are ideal for constant and consistent flow applications that contain functions that requires priority such as conveyors or saws within mobile, industrial, or manufacturing markets.

Markets:
• Miscellaneous Industrial
• Miscellaneous Manufacturing
• Miscellaneous Mobile

Features/Benefits:
• Contamination tolerant
• Stable and quiet response
• Hardened working parts for maximum durability
• All external parts zinc plated

Applications:
• Conveyors
• Steering applications
• Saws
• Constant and consistent flow applications

Additional Technical Insight:
Flow through the external orifice (fixed or variable) enters the supply port and produces a pressure drop across the compensator spool. When the inlet pressure exceeds the initial setting of the valve, the force produced by the pressure differential across the spool exceeds the spring force and shifts the compensator spool to throttle, or restrict, the flow, thus maintaining constant flow through the priority port. The excess flow is bypassed out to the system to be used by another function, or back to the system reservoir. Flow out the regulated port must be maintained for bypass flow to continue. For this reason, common practice dictates a pressure control (relief) be installed in the priority line.

Related Documents

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Literature and Reference Materials
HVS Global Cartridge Valve Catalog MSG15-3504
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Flow Control Valves Technical Tips
MSG15-3504 Flow Control Valves Catalog Pages - All
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Products Maximum Flow Rate Pressure Differential Maximum Priority Flow Seal Material
FCP101F 15 GAL/MIN, 56 L/MIN 160 PSI, 11 BAR 10 GAL/MIN, 38 L/MIN Nitrile
FCP101FV 15 GAL/MIN, 56 L/MIN 160 PSI, 11 BAR 10 GAL/MIN, 38 L/MIN Fluorocarbon
FCP101F04 15 GAL/MIN, 56 L/MIN 40 PSI, 2.8 BAR 10 GAL/MIN, 38 L/MIN Nitrile
FCP101F08 15 GAL/MIN, 56 L/MIN 80 PSI, 5.5 BAR 10 GAL/MIN, 38 L/MIN Nitrile
FCP101F08V 15 GAL/MIN, 56 L/MIN 80 PSI, 5.5 BAR 10 GAL/MIN, 38 L/MIN Fluorocarbon
FCPH121F 25 GAL/MIN, 95 L/MIN 160 PSI, 11 BAR 20 GAL/MIN, 75 L/MIN Nitrile
FCPH121FV 25 GAL/MIN, 95 L/MIN 160 PSI, 11 BAR 20 GAL/MIN, 75 L/MIN Fluorocarbon
FCPH121F04 25 GAL/MIN, 95 L/MIN 40 PSI, 2.8 BAR 20 GAL/MIN, 75 L/MIN Nitrile
FCPH121F24 25 GAL/MIN, 95 L/MIN 240 PSI, 16.6 BAR 20 GAL/MIN, 75 L/MIN Nitrile
FCPH121K 25 GAL/MIN, 95 L/MIN 160 PSI, 11 BAR 20 GAL/MIN, 75 L/MIN Nitrile
FCPH121K08 25 GAL/MIN, 95 L/MIN 80 PSI, 5.5 BAR 20 GAL/MIN, 75 L/MIN Nitrile
FCPH121S 25 GAL/MIN, 95 L/MIN 160 PSI, 11 BAR 20 GAL/MIN, 75 L/MIN Nitrile
FCPH121SV 25 GAL/MIN, 95 L/MIN 160 PSI, 11 BAR 20 GAL/MIN, 75 L/MIN Fluorocarbon
FCPH121S08 25 GAL/MIN, 95 L/MIN 80 PSI, 5.5 BAR 20 GAL/MIN, 75 L/MIN Nitrile

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