Rexroth R900739339 VORSTEUERVENTIL-21/2WRCE32-20/S/M
Type:Rexroth R900739339 VORSTEUERVENTIL-21/2WRCE32-20/S/M
Rexroth R900739339 VORSTEUERVENTIL-21/2WRCE32-20/S/M
The Rexroth R900739339 is a pilot-operated 2-stage proportional directional valve, more specifically identified by the Bosch Rexroth model code 2WRCE32 S230K3XG24K31/A1M (often with a further variant code like -73). This high-performance valve is designed for precise control of flow direction and magnitude in hydraulic systems. It features electrical position feedback for the main spool and integrated electronics (OBE), ensuring accurate and dynamic operation. The integrated electronics simplify installation and commissioning, allowing for control via an analog command signal (typically ±10V DC) and providing an analog output for actual spool position feedback. The term “VORSTEUERVENTIL” in the provided product name indicates its pilot-operated nature. The additional codes such as “-21”, “-20”, and “/S” in the user-provided name likely refer to specific customer, project, or internal configuration details, while “/M” typically indicates NBR sealing material.
Technical Specifications:
- Rexroth Material Number: R900739339
- Full Type Code (typically associated): 2WRCE32 S230K3XG24K31/A1M (-73)
- Valve Type: Pilot-operated 2-stage proportional directional valve
- Series: 2WRCE
- Nominal Size (NG): 32
- Control Principle: Proportional with integrated electronics (OBE) and electrical position feedback of the main spool
- Spool Symbol / Characteristic: S230K (Defines specific flow paths and metering; refer to the official datasheet for detailed flow curves)
- Component Series: 3X (or as per specific manufacturing batch)
- Maximum Operating Pressure (Ports P, A, B): 350 bar (5075 psi)
- Maximum Operating Pressure (Port T, with external pilot oil drain Y): 350 bar (5075 psi)
- Maximum Operating Pressure (Port T, with internal pilot oil drain): 210 bar (3045 psi)
- Solenoid Voltage: 24V DC (G24)
- Electrical Connection: Connector K31 (Typically a 7-pin + PE connector according to DIN EN 175201-804 or similar, for power, command, and feedback signals)
- Command Signal: Analog, ±10V DC (for /A1 amplifier variant)
- Actual Value Output (Spool Position): Analog, ±10V DC
- Sealing Material: NBR (Nitrile Butadiene Rubber, indicated by M)
- Compatible Hydraulic Fluid: Mineral oil (HL, HLP) according to DIN 51524; other fluids may require consultation.
- Fluid Temperature Range (with NBR seals): Approximately -20°C to +80°C (-4°F to +176°F)
| Brand | Rexroth |
|---|---|
| Model | R900739339 VORSTEUERVENTIL-21/2WRCE32-20/S/M |
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