Bosch Rexroth | 4WRKE16W8-200L-3X6EG24ETK31A1D3M
4WRKE16W8-200L-3X/6EG24ETK31/A1D3M
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The 4WRKE16W8-200L-3X/6EG24ETK31/A1D3M directional valve is manufactured by Bosch Rexroth for the 4WRKE Directional Valves series and is intended to meter and switch hydraulic flow in automated systems. With a nominal size of 16, it fits medium-frame manifolds, and its subplate interface follows mounting pattern ISO 4401-07-06-0-94 for straightforward installation. The integrated electronics accept a ±10 V command and feedback signal to position the spool, while the solenoid section operates from a 24 V DC supply drawing up to 1.5 A. Total electrical demand is limited to 72 W, helping designers manage power budgets inside control cabinets. Connection is made through a DIN EN 175201-804 plug, and the housing carries an IP65 rating so it resists dust ingress and low-pressure water jets commonly found in industrial environments.
The hydraulic section withstands operating pressures up to 350 bar, enabling use with high-pressure pumps. Flow characteristics include a nominal value of 200 L/min at a 10 bar differential and a maximum permissible flow of 460 L/min when system restrictions allow. During a 0–100 % step change at 315 bar, the pilot stage requires only 8.5 L/min of oil, minimizing auxiliary demand. Spool design holds hysteresis to 1 % and keeps response sensitivity within 0.5 %, supporting precise closed-loop control. Oil cleanliness must be maintained at ISO 4406 20/18/15 to prevent wear on sliding components. The assembled valve weighs 11.2 kg, which is light enough for direct manifold mounting while maintaining the robustness expected for continuous industrial service.
Technical Specifications
Cleanliness Class (main Valve)
ISO 4406 20/18/15
Command/actual Signal
±10 V
Degree Of Protection
IP65
Electrical Connection
DIN EN 175201-804
Hysteresis (max)
1%
Max Permissible Flow
460 L/min
Maximum Operating Pressure
350 bar
Mounting Pattern
ISO 4401-07-06-0-94
Nominal Flow (Δp 10 Bar)
200 L/min
Nominal Size
16
Pilot Oil Flow (step 0–100%, 315 Bar)
8.5 L/min
Power Consumption (max)
72 W
Response Sensitivity (max)
0.5%
Supply Current (max)
1.5 A
Supply Voltage
24 V DC
Weight
11.2 kg
1620 Old Apex Road
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