PRH081S30V - Pilot Operated Pressure Reducing Relieving Valves | South Africa

Pilot Operated Pressure Reducing Relieving Valves | #PRH081S30V

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Pilot Operated Pressure Reducing Relieving Valves | #PRH081S30V

REGIONAL - Parker’s pilot operated acting reducing & relieving valves are used in applications where specific functions require reduced and regulated pressure. Capable of flows up to 150 lpm (40 gpm) and pressures up to 380 bar (5500 psi).


Technical Specifications

  • Flow Rate: 8 GAL/MIN, 30 L/MIN
  • Pressure Control Range: 200-3000 PSI, 13.8-210 BAR
  • Adjustment Mechanism: Screw
  • Seal Material: Fluorocarbon
  • Mounting Type: Screw in cartridge valve
  • Cracking Pressure: N/A
  • Division: Hydraulic Systems Division
  • Flow Rate: 8 gal/min, 30 L/min
  • Pressure Control Range: 200-3000 psi, 13.8-210 bar
  • Adjustment Mechanism: Screw
  • Seal Material: Fluorocarbon
  • Mounting Type: Screw in cartridge valve
  • Cracking Pressure: N/A psi
  • Maximum Flow Rate: 8 gal/min, 30 L/min
  • Maximum Operating Pressure: 5000 psi, 350 bar
  • Maximum Inlet Pressure Rating: 5500 psi, 380 bar
  • Maximum Tank Pressure: 5000 psi, 350 bar
  • Standard Setting Pressure: 1500 psi, 103.5 bar
  • Maximum Pressure Setting: 3000 psi, 210 bar
  • Pressure Control Sensitivity: 859 per turn psi, 58.9 per turn bar
  • Actuation Type: Pressure Sensing
  • Configuration: Pressure Reducing/Relieving
  • Maximum Drain Flow Rate: 0.15 gal/min, 0.56 L/min
  • Leak Rate: N/A cc/min
  • Cavity Size: C08-3
  • Function: Pilot Operated
  • Operation Type: Automatic
  • 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
  • Body Material: N/A
  • Port Thread Size: N/A
  • Installation Torque: 32-36 lb-ft, 43-49 Nm
  • Operating Temperature: -15 to +400 °F, -26 to +204 °C
  • Maximum Operating Temperature: +400 °F, +204 °C
  • Minimum Operating Temperature: -15 °F, -26 °C
  • Weight: 0.25 lb, 0.11 kg
Safety Warning

Item Information

Parker's family of pilot operated acting reducing & relieving valves provide superior pressure control in applications where specific regulated and relief pressures are needed for precise operation on functions that require regulated pressures up to 380 bar (5500 psi) and flows up to 150 lpm (40 gpm). Parker's pilot operated acting reducing & relieving valves are designed with several pressure ranges in order to give a higher degree of control with a variety of adjustment style options available. The additional valve stability due to the pilot operation make these valves ideal for sensitive functions such as up or downforce, clamping, or braking applications on various types of machinery within the mobile and industrial markets.

Markets:
• Agriculture
• Construction Equipment
• Industrial
• Miscellaneous Manufacturing
• Miscellaneous Mobile

Features/Benefits:
• Multiple pressure ranges available for more accurate pressure control
• Compact size for reduced space requirements
• Adjustable and tamperproof versions available
• High pressure capacity
• All external parts zinc plated

Applications:
• Brakes
• Clamps
• Suspension systems
• Up/down-force systems

Additional Technical Insight:
Typical applications are in mobile & industrial equipment, where a branch of the system is intended to operate at a lower setting than high system pressure.  Hydraulic functions such as brake circuits, clamping or clutch circuits, suspension systems, street sweepers, or seeding and planting rows in agricultural equipment are common applications for these products.

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Local Contact

South Africa Headoffice

Parker Hannifin (Africa) Pty LTD

Sales Company South Africa

10 Berne Avenue

Aeroport

Kempton Park

Gauteng

South Africa

1620

Phone

0027 11 961 0700

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