Bosch Rexroth | 4WRTE16V200L-4X6EG24ETK31A1M
4WRTE16V200L-4X/6EG24ETK31/A1M
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The 4WRTE16V200L-4X/6EG24ETK31/A1M valve is part of the 4WRTE Directional Control Valves series produced by Bosch Rexroth for closed-loop hydraulic automation. With a nominal size of NG16, it fits mid-range manifolds while controlling actuator speed and direction. The unit allows a recommended flow of 460 l/min and sustains operating pressures up to 350 bar, giving it capacity for high-power circuits. A linear flow characteristic provides proportional spool travel, so cylinder or motor movement follows command signals predictably. The manifold interface follows ISO 4401-07-07-0-05, and each pressure and work port has a 20 mm diameter to match the flow rating. An integrated 6E pilot control valve shifts the main spool, and 14 l/min of pilot oil is required to move from zero to full stroke. These features let the valve meter large volumes with repeatable accuracy in servo-assisted hydraulic drives.
On the electronic side, the valve runs from a 24 V DC supply and accepts an A1 control interface that interprets ±10 V commands through a 100 kΩ input, so the machine controller experiences minimal loading. Wiring is completed with a DIN EN 175201-804 (K31) connector, and the assembled housing carries an IP65 protection class to block dust and water jets in typical industrial environments. Return flow can be routed externally with port T exposed to pressures up to 250 bar without functional loss. The hydraulic cavity must be maintained at ISO 4406 cleanliness class 18/16/13 to prevent spool wear and signal drift. A total weight of 11.2 kg allows single-person installation while still indicating a robust cast body. Together these electrical, environmental, and service limits define how the valve integrates into high-duty servo loops.
Technical Specifications
Cleanliness Class (iso 4406)
18/16/13
Control Interface
A1 (±10 V)
Electrical Connector
DIN EN 175201-804 (K31)
Flow Characteristic
Linear (L)
Input Resistance (a1)
100 kΩ
Max Flow (recommended)
460 l/min
Max Operating Pressure (p,a,b)
350 bar
Max Return Pressure (port T External)
250 bar
Nominal Size
NG16
Pilot Control Valve
6E
Pilot Oil Flow (step 0–100%)
14 l/min
Port Diameter (a,b,p,t)
20 mm
Porting Pattern
ISO 4401-07-07-0-05
Protection Class
IP65
Supply Voltage
24 VDC
Weight
11.2 kg
1620 Old Apex Road
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