The PARKER R4R06-59311P1G0QB110 is a heavy-duty industrial pressure control valve engineered for precise regulation of hydraulic system pressure in demanding fluid power circuits. As part of Parker’s R4 series modular valve range, it provides reliable pressure limiting and unloading functions with a robust, direct-acting poppet or spool design suited to continuous industrial operation.
PARKER R4R06-59311P1G0QB110 Technical Specifications
| Attribute | Specification |
|---|---|
| Product Type | Pressure Control Valve |
| Series | Parker R4 Modular Valve |
| Function | Pressure Limiting / Relief |
| Mounting Interface | Modular / Sandwich (ISO 4401 / CETOP) |
| Actuation | Mechanical / Hydraulic Pilot |
| Operating Pressure | Up to 350 bar (dependent on configuration) |
| Flow Capacity | Up to 120 L/min (nominal) |
| Fluid Compatibility | Mineral oil, HLP/HM per ISO 6743-4 |
| Seal Material | NBR (standard), FKM optional |
| Body Material | Cast Iron / Steel |
Key Engineering Features
- Direct-acting pressure control mechanism for fast response and stable regulation.
- Modular sandwich construction enables integration into existing ISO 4401 / CETOP manifolds.
- Hardened, precision-ground internal spool and seat for minimal leakage and long service life.
- Adjustable pressure setting via hex-key or hand knob, depending on variant.
- Corrosion-resistant body coating suitable for industrial environments.
- Compatible with a wide range of hydraulic fluids and operating temperatures.
Industrial Applications
- Hydraulic power units and central pressure control systems.
- Machine tool clamping and positioning circuits.
- Presses, injection molding machines, and forming equipment.
- Mobile and industrial hydraulic manifolds requiring modular pressure limiting.
- Test stands and fluid power training systems.
For technical inquiries, dimensional drawings, or replacement support for PARKER R4R06-59311P1G0QB110, contact the Pro-Hydraulic engineering team.
PRODUCT IMAGES



PARKER R4R06-59311P1G0QB110 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 R4R06-59311P1G0QB110 Pressure Control Valve. This precision-engineered industrial component delivers reliable fluid control for heavy-duty systems.