Product Overview
The ATC X-PPV20G85021 is a precision-engineered proportional pressure relief valve designed for advanced electro-hydraulic control systems. Manufactured by ATC, this valve functions as a pilot-operated, solenoid-actuated pressure control component that enables stepless, infinitely variable adjustment of system pressure in direct proportion to an electrical input signal. Unlike fixed-setting relief valves, the X-PPV20G85021 integrates a high-response proportional solenoid with a precision-machined spool and pilot stage, allowing for dynamic pressure modulation, ramp control, and closed-loop feedback compatibility. This valve serves as a critical interface between electronic control units (ECUs) and hydraulic power circuits, providing accurate pressure regulation for demanding industrial and mobile hydraulic applications where precise force, torque, or load control is essential.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Proportional Pressure Relief Valve (Pilot-Operated, Solenoid-Actuated) |
| Model Designation | X-PPV20G85021 |
| Operating Pressure | Standard Industrial Grade (Up to 350 bar rated) |
| Mounting & Connection | Standard ISO 4401 / CETOP Subplate Interface |
| Actuation Type | Proportional Solenoid with Integrated Position Feedback |
| Control Signal | Analog ±10 V DC / 4–20 mA (Standard Proportional Input) |
| Spool Configuration | Precision-Metered Spool with Progressive Flow Characteristics |
| Response Time | High Dynamic Response (Typical < 30 ms) |
| Hysteresis | Low Hysteresis (< 3% of Rated Pressure) |
| Seal Material | NBR / FKM (Standard Industrial Hydraulic Fluids) |
Engineering Features & Advantages
- Precision Proportional Control: The X-PPV20G85021 delivers infinitely variable pressure regulation proportional to the electrical command signal, enabling precise force and torque control in closed-loop hydraulic systems. The precision-ground spool and pilot stage ensure minimal hysteresis and excellent repeatability.
- High Dynamic Response: Engineered with a high-performance proportional solenoid and optimized pilot flow paths, this valve achieves fast response times suitable for dynamic pressure modulation, ramp generation, and emergency pressure relief in high-cycle industrial applications.
- Industrial Reliability: Designed for dependable long-term operation in demanding industrial environments, with quality bearings and sealing systems ensuring extended maintenance intervals.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original ATC standards, allowing straightforward retrofit into existing hydraulic systems without rework.
Typical Industrial Applications
This valve serves as a critical interface between electronic control units (ECUs) and hydraulic power circuits, providing accurate pressure regulation for demanding industrial and mobile hydraulic applications where precise force, torque, or load control is essential.
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ATC X-PPV20G85021 Proportional 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.
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- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine ATC X-PPV20G85021 Proportional Pressure Relief Valve. This German-made hydraulic component features a precise proportional solenoid, delivering leak-free, reliable fluid control for heavy-duty industrial systems.