Bosch Rexroth | 4WRKE16E200L-3X6EG24EK31A5D3M
4WRKE16E200L-3X/6EG24EK31/A5D3M
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The 4WRKE16E200L-3X/6EG24EK31/A5D3M directional valve belongs to the 4WRKE Directional Valves series manufactured by Bosch Rexroth for closed-loop hydraulic automation. It modulates flow and direction with a nominal size of 16, allowing integration into medium-frame manifolds. The valve follows the ISO 4401-07-06-0-94 mounting pattern so it can be bolted onto standardized subplates in power units. A linear characteristic curve identified by the code “L” enables proportional spool displacement to result in proportional flow, simplifying controller tuning. Under a differential pressure of 10 bar the unit delivers a nominal flow of 200 L/min, and it can pass up to 460 L/min through the main ports when fully actuated to handle peak cycle demands.
The hydraulic section tolerates operating pressures up to 350 bar at the P, A, and B connections, while the external pilot drain may be exposed to 250 bar at most. Pilot oil is supplied internally but drained externally, which keeps return flow separate from the main circuit. Pressure in the pilot stage is stabilized by the integrated ZDR 6 DP0-4X/40YM-W80 reducing valve to maintain consistent spool positioning. Electrical control is provided by a ±10 V command signal and the electronics draw power from a 24 VDC supply with a maximum consumption of 72 W. Connection is made through a plug conforming to DIN EN 175201-804, and NBR seals prevent leakage of hydraulic fluid. The assembled unit weighs 11.2 kg, a consideration for manifold support brackets.
Technical Specifications
Characteristic Curve Form
L (Linear)
Command Signal (a5)
±10 V
Connector Standard
DIN EN 175201-804
Max Main Valve Flow
460 L/min
Max Operating Pressure (p,a,b)
350 bar
Mounting Pattern
ISO 4401-07-06-0-94
Nominal Flow (Δp 10 Bar)
200 L/min
Nominal Size
16
Pilot Drain Pressure (external)
250 bar (max)
Pilot Oil Drain
External
Pilot Oil Supply
Internal
Pilot Pressure Reducing Valve
ZDR 6 DP0-4X/40YM-W80
Power Consumption
72 W (max)
Seal Material
NBR
Supply Voltage
24 VDC
Weight
11.2 kg
1620 Old Apex Road
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