Bosch Rexroth | 4WRKE27W8-500L-3X6EG24EK31A1D3M
4WRKE27W8-500L-3X/6EG24EK31/A1D3M
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The 4WRKE27W8-500L-3X/6EG24EK31/A1D3M valve belongs to the 4WRKE Directional Valves series from Bosch Rexroth and meters hydraulic flow for actuator control. It accepts a ±10 V command and feedback signal, enabling proportional spool movement under closed-loop supervision. Nominal size 27 defines the body and spool dimensions, while a calibrated nominal flow of 500 L/min at a 10 bar differential provides the reference operating point. The main stage can pass up to 1000 L/min to satisfy transient peak demand, and a maximum operating pressure of 210 bar permits work in standard industrial power units. A port diameter of 32 mm supports the listed flow capacities, the ISO 4401-08-07-0-94 mounting pattern lets the valve bolt directly onto common subplates, and a weight of 17 kg still allows single-technician installation.
Electrical interfacing is handled through a DIN EN 175201-804 connector, and the solenoid package operates from a 24 VDC supply; under full stroke it draws up to 1.5 A, limiting power consumption to 72 W. Maximum response sensitivity of 0.5 % lets the control system make fine flow corrections, while hysteresis not exceeding 1 % keeps repeatability tight between command cycles. The housing carries an IP65 rating so dust and water jets do not affect operation in mobile or factory settings. Approved pressure media are mineral oils of type HL or HLP according to DIN 51524, ensuring compatibility with common hydraulic fluids. Together these characteristics outline the electrical, environmental, and fluid requirements needed to place the valve in automated motion platforms.
Technical Specifications
Command/actual Signal
±10 V
Electrical Connector Standard
DIN EN 175201-804
Hysteresis
1% (max)
Ingress Protection
IP65
Max Main Valve Flow
1000 L/min
Max Operating Pressure (p,a,b)
210 bar
Mounting Pattern
ISO 4401-08-07-0-94
Nominal Flow
500 L/min (Δp 10 bar)
Nominal Size
27
Port Diameter (a,b,p,t)
32 mm
Power
72 W (max)
Pressure Fluid
Mineral Oil (HL,HLP) DIN 51524
Response Sensitivity
0.5% (max)
Supply Current
1.5 A (max)
Supply Voltage
24 VDC
Weight
17 kg
1620 Old Apex Road
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