Product Overview
The MOOG D955-0001 servo proportional valve, configured under the HP-R18B1-RKP080KM28E3Z00G91 designation, is a high-performance electrohydraulic control valve engineered by Moog for demanding closed-loop and open-loop industrial motion control systems. Utilizing Moog’s proven nozzle-flapper pilot stage technology coupled with a robust spool-type main stage, this valve delivers precise, high-resolution flow control proportional to an electrical input signal. The D955 series is designed to interface seamlessly with modern servo controllers and amplifiers, providing exceptional dynamic response, minimal hysteresis, and superior repeatability. As a critical component in precision hydraulic circuits, it regulates actuator velocity, position, and force with a level of accuracy essential for advanced manufacturing and testing applications.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Servo Proportional Valve (Two-Stage, Spool Type) |
| Model Designation | MOOG D955-0001 / HP-R18B1-RKP080KM28E3Z00G91 |
| Operating Pressure | Up to 315 bar (Rated), 350 bar (Peak) — Standard Industrial Grade |
| Rated Flow | Approx. 80 L/min at 70 bar valve pressure drop (per size code) |
| Pilot Stage | Nozzle-Flapper Torque Motor with Integrated Electronics Interface |
| Mounting & Connection | Standard ISO 4401 / CETOP Subplate Interface |
| Electrical Interface | Standard Moog Valve Amplifier / Controller Connector |
Engineering Features & Advantages
- Precision Performance: High-resolution spool positioning with low hysteresis (<1%) and excellent linearity ensures accurate flow metering and repeatable actuator control in closed-loop servo systems.
- Fast Dynamic Response: The nozzle-flapper pilot stage provides high-frequency response, enabling rapid corrections in position, velocity, and pressure control loops for enhanced machine cycle times.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with rugged construction and contamination-resistant pilot stage design for long service life.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM Moog D955 series specifications, ensuring drop-in replacement without system modification.
Typical Industrial Applications
This MOOG D955-0001 servo proportional valve is ideally suited for high-precision motion control in plastic injection molding machines, metallurgical presses and rolling mills, CNC machine tools and testing equipment, as well as construction and marine hydraulic systems requiring accurate electrohydraulic actuation. Its robust design also supports demanding applications in power generation and turbine control.
PRODUCT IMAGES
MOOG D955-0001 / HP-R18B1-RKP080KM28E3Z00G91 Servo Proportional 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 MOOG D955-0001 / HP-R18B1-RKP080KM28E3Z00G91 Servo Proportional Valve. This Germany-made hydraulic component features a high-response pilot stage, delivering leak-free, reliable fluid control for heavy-duty industrial systems.