Rexroth R901170278 Pressure Relief Valve
Description:
The Rexroth R901170278 (DBET-6X/200G24-8K4V) is a direct-operated proportional pressure relief valve designed for accurate hydraulic system pressure control. It uses a proportional solenoid to continuously adjust system pressure according to the electrical input signal, making it ideal for industrial automation, machine tools, test benches, and hydraulic power units requiring precise pressure regulation.
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Rexroth R901170278 Pressure Relief Valve
| Parameter | Specification |
|---|---|
| Manufacturer | Bosch Rexroth |
| Material Number | R901170278 |
| Model | DBET-6X/200G24-8K4V |
| Valve Type | Proportional Pressure Relief Valve |
| Design | Direct-operated, seat valve |
| Series | 6X |
| Size | 6 (NG6 / CETOP 03) |
| Mounting | Subplate mounting (ISO 4401-03-02-0-05) |
| Function | Pressure limitation |
| Pressure Rating | 200 bar |
| Maximum Operating Pressure | 420 bar |
| Maximum Flow | 2 L/min |
| Control Method | Proportional solenoid with external amplifier |
| Supply Voltage | 24 V DC |
| Coil Version | 800 mA (-8) |
| Electrical Connection | DIN EN 175301-803, 3-pin (2+PE) |
| Hydraulic Ports | P → T |
| Seal Material | FKM (Viton) |
| Hydraulic Fluids | HL, HLP, HLPD, HVLP, HVLPD, HETG, HEES, HEPG, HFDU, HFDR |
| Fluid Temperature | -20°C to +80°C |
| Ambient Temperature | -20°C to +70°C |
| Recommended Viscosity | 30–46 mm²/s |
| Viscosity Range | 20–380 mm²/s |
| Installation Position | Optional |
| Approximate Weight | 1.4 kg |