Product Overview
The Parker R4V03-53131P2G0RA110 is a pilot operated pressure relief valve from the Parker R4V series, engineered to protect hydraulic circuits from excessive pressure and maintain stable system operating conditions. This valve operates on a two-stage pilot principle: a small pilot stage senses system pressure and controls the main poppet, allowing precise, fast-acting relief with minimal pressure override. The R4V series is a direct replacement for the proven Parker R4V platform, widely specified in industrial power units, machine tools, and mobile equipment. With a nominal size of NG10 (CETOP 5 / ISO 6264 size 10) and a solenoid-controlled pilot configuration, this valve provides reliable pressure limitation and can be used for unloading or multi-pressure selection when combined with directional control. The model code R4V03-53131P2G0RA110 indicates a specific pressure range, adjustment type, and electrical option, making it suitable for demanding B2B hydraulic systems requiring consistent performance and long service life.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Pilot Operated Pressure Relief Valve (Pressure Control Valve) |
| Model Designation | R4V03-53131P2G0RA110 |
| Nominal Size | NG10 (CETOP 5 / ISO 6264 size 10) |
| Operating Pressure | Up to 350 bar (standard industrial grade, dependent on pressure range code) |
| Pressure Adjustment | Adjustable via hex socket screw or hand knob (per model code) |
| Pilot Actuation | Solenoid-controlled pilot stage (110 V AC, per RA110 code) |
| Mounting & Connection | Subplate mounting, ISO 6264 / CETOP 5 interface |
| Fluid Compatibility | Mineral oil based hydraulic fluids (HLP, HLVP), phosphate esters on request |
| Seal Material | NBR (standard), FKM optional |
Engineering Features & Advantages
- Precision Pressure Control: Pilot operated design ensures accurate pressure limitation with low hysteresis and minimal pressure override, protecting downstream components from pressure spikes.
- Fast Response: Two-stage pilot mechanism provides rapid opening and closing, maintaining system stability under dynamic load changes.
- Industrial Reliability: Built for continuous operation in severe industrial environments, with robust construction and proven Parker R4V series durability.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM Parker R4V valves, ensuring drop-in installation without modification.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original PARKER OEM standards, ensuring drop-in replacement without modification to existing manifolds or piping.
Typical Industrial Applications
The model code R4V03-53131P2G0RA110 indicates a specific pressure range, adjustment type, and electrical option, making it suitable for demanding B2B hydraulic systems requiring consistent performance and long service life.
PRODUCT IMAGES

PARKER R4V03-53131P2G0RA110 Pilot Operated Pressure Relief 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 genuine PARKER R4V03-53131P2G0RA110 Pilot-Operated Pressure Relief Valve. This Germany-made hydraulic component features a precise pressure control design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.





