Product Overview
The Danfoss PRV12-12-S-0-30 (Part No. 02-170773) is a precision pilot-operated proportional pressure relief valve engineered for stepless, electronically modulated pressure control in demanding industrial hydraulic systems. As a member of the Danfoss PRV series, this valve utilizes a proportional solenoid actuator acting on a balanced poppet/spool pilot stage to deliver infinitely variable pressure regulation proportional to the applied electrical command signal (typically 0–10 V or 4–20 mA via a proportional amplifier). Unlike fixed-setting relief valves, the PRV12-12-S-0-30 enables dynamic pressure profiling, soft-start/soft-stop ramping, and precise force or torque control within a hydraulic circuit. Its robust construction and fast response characteristics make it a critical control element in systems requiring accurate pressure modulation, energy-efficient operation, and repeatable performance across millions of cycles.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Proportional Pressure Relief Valve (Pilot-Operated, Solenoid Actuated) |
| Model Designation | PRV12-12-S-0-30 / 02-170773 |
| Operating Pressure | Up to 350 bar (5075 psi) rated — standard industrial grade |
| Nominal Flow Capacity | Up to 30 L/min (dependent on pressure differential and spool configuration) |
| Control Signal | Proportional solenoid — PWM or analog current control (0–10 V / 4–20 mA via amplifier) |
| Mounting & Connection | Standard ISO 4401 / CETOP 3 (NG6) subplate interface; cartridge-style pilot stage |
| Seal Material | NBR (Buna-N) standard; FKM available for high-temperature or phosphate-ester fluids |
| Fluid Compatibility | Mineral oil, HLP/HM hydraulic fluids per DIN 51524; viscosity range 10–500 cSt |
| Operating Temperature | -20°C to +80°C (fluid temperature range) |
Engineering Features & Advantages
- Precision Proportional Control: The proportional solenoid and balanced pilot poppet design deliver smooth, stepless pressure adjustment with minimal hysteresis and excellent repeatability, enabling accurate force control in closed-loop hydraulic systems.
- Fast Dynamic Response: Optimized pilot stage geometry ensures rapid pressure rise and decay times, critical for high-cycle industrial applications requiring quick pressure ramping and unloading.
- Low Pressure Overshoot: Advanced damping characteristics minimize pressure spikes during valve actuation, protecting downstream components and extending system service life.
- 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 Danfoss OEM standards, ensuring drop-in replacement without modification to existing manifolds or piping.
Typical Industrial Applications
Its robust construction and fast response characteristics make it a critical control element in systems requiring accurate pressure modulation, energy-efficient operation, and repeatable performance across millions of cycles.
PRODUCT IMAGES
Danfoss PRV12-12-S-0-30 / 02-170773 Proportional Pressure Relief Valve
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- 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.
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- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine Danfoss PRV12-12-S-0-30 / 02-170773 Proportional Pressure Relief Valve. This Denmark-made 12 VDC hydraulic component features a normally closed, direct-acting design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.