Bosch Rexroth | 4WRTE27Q2-500P-4X6EG24K31A5WB16M
4WRTE27Q2-500P-4X/6EG24K31/A5WB16M
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The 4WRTE27Q2-500P-4X/6EG24K31/A5WB16M is a directional control valve from the 4WRTE Directional Control Valves series manufactured by Bosch Rexroth for proportional regulation of hydraulic flow in automated systems. The nominal size of 27 allows the valve to pass substantial oil volume without excessive pressure loss, while a rated flow of 500 l/min meets the demand of high-capacity actuators. A linear P flow characteristic delivers proportional flow change in response to spool movement, giving predictable speed control in cylinders or motors. The port diameter of 32 mm matches the rated flow and helps maintain low velocity through the body. Maximum operating pressure of 270 bar on ports P, A, and B lets the unit work in heavy-duty circuits, and a permitted 210 bar on the T port supports externally drained returns. The mounting interface follows ISO 4401-08-08-0-05, so the valve fastens directly to standard sub-plates and manifolds without adapters.
A supply voltage of 24 V DC powers the integral electronics, while a ±10 V command input accepts proportional setpoints from a motion controller. Input resistance is 100 kΩ, limiting load on the driving analog card, and peak current draw remains within 1.6 A to reduce power supply sizing. Electrical connection is made through a DIN EN 175201-804 (K31) plug, simplifying field replacement. An IP65 protection class shields internal components from dust and low-pressure water jets, enabling cabinet-free mounting in most plant areas. The position switch provides a PNP output, offering a positive-logic signal for end-position feedback to the PLC. Hydraulic cleanliness must be ISO 4406 18/16/13 or better to preserve spool accuracy and extend service life, and the assembly weighs 17 kg, allowing single-person handling during installation.
Technical Specifications
Cleanliness Class
ISO 4406 18/16/13
Command Input
±10 V
Current Consumption (max)
1.6 A
Electrical Connector
DIN EN 175201-804 (K31)
Flow Characteristic
Linear (P)
Input Resistance
100 kΩ
Max Operating Pressure (p,a,b)
270 bar
Max Port T Pressure (external Return)
210 bar
Mounting Interface
ISO 4401-08-08-0-05
Nominal Size
27
Port Diameter (a,b,p,t)
32 mm
Position Switch Output Type
PNP
Protection Class
IP65
Rated Flow
500 l/min
Supply Voltage
24 V DC
Weight
17 kg
1620 Old Apex Road
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