Product Overview
The Rexroth PR4-30/3.15-700RA01M01 is a pilot-operated pressure relief valve engineered for precise system pressure limitation and overload protection in industrial hydraulic circuits. Manufactured by Bosch Rexroth, a global leader in drive and control technology, this valve utilizes a two-stage pilot-operated design in which a small pilot stage senses system pressure and controls the main poppet/spool stage, enabling smooth, stable relief action with minimal pressure override even at high flow rates. The valve is set to relieve at 700 bar, making it suitable for high-pressure industrial applications where accurate pressure control and rapid response are critical. Its robust construction and precision-machined internal components ensure reliable, repeatable performance in continuous-duty hydraulic power units, presses, and test stands.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Pilot Operated Pressure Relief Valve (Pressure Control Valve) |
| Model Designation | PR4-30/3.15-700RA01M01 |
| Manufacturer | Bosch Rexroth |
| Pressure Setting | 700 bar (nominal cracking pressure) |
| Nominal Size | NG 30 (per model code designation) |
| Operating Pressure | High-pressure industrial grade, rated to 700 bar |
| Actuation Type | Pilot-operated, hydraulically actuated via pilot stage |
| Mounting & Connection | Standard ISO / Rexroth interface, subplate or manifold mounting |
| Adjustment | Adjustable pressure setting via integrated adjustment element |
Engineering Features & Advantages
- Precision Pressure Control: The pilot-operated two-stage design delivers accurate, stable pressure limitation with minimal pressure override and low hysteresis, ensuring consistent system protection across varying flow demands.
- High-Pressure Capability: Rated for a 700 bar pressure setting, this valve is suited for demanding high-pressure hydraulic circuits where standard relief valves are insufficient.
- Fast Response & Overload Protection: Rapid pilot-stage actuation enables quick relief of pressure spikes, safeguarding pumps, cylinders, and downstream components from damaging overpressure events.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with hardened, precision-machined internal components that resist wear and maintain repeatable performance over extended service intervals.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original Rexroth OEM standards, allowing straightforward drop-in replacement without modification to existing manifolds or piping.
Typical Industrial Applications
This pilot-operated pressure relief valve is commonly deployed
PRODUCT IMAGES
REXROTH PR4-30/3.15-700RA01M01 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 REXROTH PR4-30/3.15-700RA01M01 / R901088612 Pilot-Operated Pressure Relief Valve. This German-made hydraulic component features a precise pilot control, delivering leak-free, reliable fluid control for heavy-duty industrial systems.