Product Overview
The Parker R4R06-59511B110 (also designated R4PIXX-00511B1BSP10) is a pilot-operated pressure reducing valve from Parker’s R4R series of sandwich-style pressure control valves. It is engineered to maintain a constant, pre-set reduced outlet pressure regardless of fluctuations in the inlet (primary) pressure or changes in flow demand. The valve operates on a two-stage pilot principle: an adjustable pilot stage senses downstream pressure and modulates the main spool, providing precise, stable regulation with minimal pressure override. With a BSPP (G) port configuration and a nominal size 06 (NG6 / CETOP 3) interface, this valve is designed for inline or sandwich mounting in industrial hydraulic power units and manifold blocks, making it a direct-fit solution for demanding pressure regulation circuits.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Pilot Operated Pressure Reducing Valve (Pressure Control Valve) |
| Model Designation | R4R06-59511B110 / R4PIXX-00511B1BSP10 |
| Manufacturer | Parker Hannifin |
| Nominal Size | NG06 / CETOP 3 / ISO 4401-03 |
| Operating Pressure | Standard Industrial Grade (up to 350 bar inlet) |
| Pressure Regulation Range | Adjustable via pilot stage (standard ranges up to 315 bar) |
| Port Connection | BSPP (G) threaded ports per model code |
| Mounting & Connection | Sandwich / Subplate Mounting, ISO 4401-03 Interface |
| Seal Material | NBR (Buna-N) standard, compatible with mineral oil |
| Adjustment Type | Manual adjustment (set screw / knob per configuration) |
Engineering Features & Advantages
- Precision Pressure Regulation: The two-stage pilot-operated design delivers highly accurate downstream pressure control with minimal hysteresis and excellent repeatability, even under varying flow conditions.
- Stable Performance Under Load: The pilot stage isolates the main spool from inlet pressure fluctuations, ensuring the reduced outlet pressure remains constant regardless of upstream pressure changes.
- Low Pressure Override: Optimized spool and spring design minimizes pressure rise above the set value as flow increases, protecting downstream components from over-pressurization.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with robust construction and wear-resistant internal components for extended service life.
- Direct Fit Replacement: Precision-manufactured to original PARKER specifications for direct replacement, minimising downtime and eliminating fitment issues.
Typical Industrial Applications
With a BSPP (G) port configuration and a nominal size 06 (NG6 / CETOP 3) interface, this valve is designed for inline or sandwich mounting in industrial hydraulic power units and manifold blocks, making it a direct-fit solution for demanding pressure regulation circuits.
PRODUCT IMAGES
PARKER R4R06-59511B110 / R4PIXX-00511B1BSP10 Pilot Operated Pressure Reducing 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 R4R06-59511B110 / R4PIXX-00511B1BSP10 Solenoid Directional Control Valve. This USA-made hydraulic component features a reliable spool design, delivering leak-free, precise fluid control for heavy-duty industrial systems.
