Bosch Rexroth | 4WRTE16V200L-4X6EG24TK31A1M
4WRTE16V200L-4X/6EG24TK31/A1M
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The 4WRTE16V200L-4X/6EG24TK31/A1M valve is a member of the 4WRTE Directional Control Valves series from Bosch Rexroth, designed to meter and direct hydraulic flow in industrial automation systems. With a nominal size of 16, it mounts on a subplate that follows porting pattern ISO 4401-07-07-0-05 to match common manifold blocks. The V-coded spool provides four-way switching while maintaining a linear flow characteristic, delivering predictable volume change as the command signal varies. Pilot oil is supplied externally, and the spent pilot oil returns internally, simplifying drain lines in compact power units. The main flow paths tolerate up to 350 bar at ports P, A, and B, whereas the static pressure at return port T must remain below 10 bar. Electronic actuation relies on a 24 V DC supply that accepts a differential ±10 V reference; the interface presents 100 kΩ input resistance to reduce load on the control card and rejects noise within a residual ripple of 2.5 Vpp.
A maximum coil current of 1.6 A is drawn when the electromagnetic stage reaches full displacement, so power-supply sizing is straightforward and thermal loading stays within common cabinet ratings. Termination is through the K31 connector that provides six signal contacts plus a protective earth pin for reliable grounding and simplified service exchange. The enclosure meets IP65, preventing dust accumulation and guarding the solenoid chamber against low-pressure water spray in processing plants, test stands, or mobile rigs. Static accuracy benefits from hysteresis limited to 0.1 percent of full stroke, which minimizes offset during rapid polarity changes of the driving amplifier and supports precise cylinder speed regulation in position or pressure loops. Together, these electrical features enable repeatable flow adjustment under demanding duty cycles while keeping wiring effort and maintenance downtime low.
Technical Specifications
Command Signal
±10 V (A1)
Current Consumption (max)
1.6 A
Electrical Connection
K31 (6+PE)
Flow Characteristic
Linear (L)
Hysteresis (max)
0.1%
Input Resistance
100 kΩ
Nominal Size
16
Operating Pressure P/a/b (max)
350 bar
Pilot Oil Return
Internal
Pilot Oil Supply
External
Porting Pattern
ISO 4401-07-07-0-05
Protection Class
IP65
Residual Ripple (max)
2.5 Vpp
Return Pressure Port T (static Max)
10 bar
Spool Symbol
V
Supply Voltage
24 V DC
1620 Old Apex Road
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