The PARKER R4R03-59331B110 is a heavy-duty industrial pressure control valve engineered for precise regulation of hydraulic system pressure in demanding applications. This direct-operated, spring-loaded relief valve protects components from overpressure by diverting excess flow to tank when the set pressure is reached.

PARKER R4R03-59331B110 Technical Specifications

Product TypePressure Control Valve
SeriesR4R03
ModelR4R03-59331B110
ActuationDirect-operated, spring-loaded
MountingModular / Subplate
Maximum Operating PressureUp to 350 bar (5075 psi)
AdjustmentManual, with locknut
Fluid CompatibilityMineral oil, synthetic hydraulic fluids
Port ConnectionsISO 4401 / CETOP standard

Key Engineering Features

  • Direct-acting design for fast response and low hysteresis
  • Hardened, precision-ground spool and seat for long service life
  • Adjustable pressure setting with tamper-resistant locknut
  • Modular mounting interface for easy integration into existing manifolds
  • High flow capacity with minimal pressure drop

Industrial Applications

  • Hydraulic power units and central systems
  • Presses, injection molding machines, and machine tools
  • Mobile and industrial hydraulic circuits requiring overpressure protection
  • Test stands and simulation equipment

For technical inquiries, dimensional drawings, or replacement support for PARKER R4R03-59331B110, contact the Pro-Hydraulic engineering team.

PRODUCT IMAGES

PARKER R4R03-59331B110
PARKER R4R03-59331B110
PARKER R4R03-59331B110
PARKER R4R03-59331B110

PARKER R4R03-59331B110 Pressure Control Valve

⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:

  • Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
  • Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
  • Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
  • Peace of Mind: Covered by our 12-Month Replacement Warranty.

Shop the PARKER R4R03-59331B110 Pressure Control Valve. This precision-engineered industrial component delivers reliable fluid control for heavy-duty systems.