4WRPEH6 High Response Proportional Valve
Description:
The 4WRPEH6 High Response Proportional Valve is a high-performance electro-hydraulic directional control valve designed for applications requiring fast response, high precision, and excellent repeatability. Equipped with integrated electronics (OBE), it provides accurate control of flow direction and volume through proportional electrical signals. This valve is widely used in industrial automation, hydraulic presses, machine tools, testing equipment, and servo hydraulic systems where dynamic motion control is essential.
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4WRPEH6 High Response Proportional Valve
| Parameter | Specification |
|---|---|
| Product Name | 4WRPEH6 High Response Proportional Valve |
| Valve Type | High Response Electro-Hydraulic Proportional Directional Valve |
| Size | NG6 (CETOP 03 / ISO 4401-03) |
| Mounting Pattern | ISO 4401-03-02-0-05 |
| Control Type | Proportional with Integrated Electronics (OBE) |
| Electrical Input | ±10 V, 4–20 mA (depending on version) |
| Supply Voltage | 24 V DC |
| Rated Flow | Up to 25 L/min |
| Maximum Operating Pressure | 350 bar (Ports P, A, B) |
| Tank Port Pressure | Up to 210 bar |
| Hydraulic Fluid | Mineral oil (HL, HLP) or approved equivalents |
| Fluid Temperature Range | -20°C to +80°C |
| Ambient Temperature | -20°C to +60°C |
| Viscosity Range | 20–380 mm²/s |
| Filtration Requirement | ISO 4406 Class 20/18/15 or better |
| Electrical Connection | 7-pin connector |
| Protection Class | IP65 |
| Mounting Position | Optional |
| Response Characteristics | High dynamic response with excellent repeatability |
| Applications | Hydraulic presses, automation systems, machine tools, testing machines, industrial machinery |