Bosch Rexroth | 4WRTE16V200L-4X6EG24ETK31A5M
4WRTE16V200L-4X/6EG24ETK31/A5M
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The 4WRTE16V200L-4X/6EG24ETK31/A5M valve belongs to the 4WRTE Directional Control Valves series and is manufactured by Bosch Rexroth for electro-hydraulic automation tasks where proportional flow and pressure control are required. It is built in valve size NG16, so the main ports match standard 16 mm subplate patterns used in medium-flow power units. A linear flow characteristic lets the user set flow directly with spool stroke, while the spool symbol V defines the metering edges selected for symmetrical bidirectional actuation. The unit can pass up to 460 l/min, which covers high-capacity circuits, and it tolerates operating pressures to 350 bar on ports P, A, and B for common high-pressure systems. Pilot control is provided by a NG6 size 6E valve, and both pilot oil supply and return are internal, eliminating external hoses. Spool position monitoring is present to report actual movement to the controller, and the assembled valve weighs 11.2 kg for handling calculations.
Electrical actuation is handled through the A5 control interface, which accepts a ±10 V command signal and includes an enable line on pin C for safety interlock. The on-board electronics run from a nominal 24 V DC supply; during normal operation they draw up to 1.6 A and may reach 2.7 A as an impulse current when the spool accelerates. Wiring is made through the K31 connector conforming to DIN EN 175201-804, allowing quick replacement without re-termination. An external 4 AT time-lag fuse is specified to protect the supply circuit against overcurrent events. The housing meets IP65, so the valve resists dust ingress and low-pressure water jets when the plug is properly sealed, making it suitable for machine-room environments. These electrical features integrate with the hydraulic performance described above to give precise closed-loop directional control in industrial hydraulic systems.
Technical Specifications
Control Interface
A5 (±10 V, Enable Pin C)
Current Consumption (max)
1.6 A
Electrical Connection
K31 (DIN EN 175201-804)
Flow Characteristic
Linear (L)
Impulse Current
2.7 A
Max Flow (recommended)
460 l/min
Max Operating Pressure (p,a,b)
350 bar
Pilot Control Valve
6E (NG6)
Pilot Oil Supply/return
Internal/Internal (ET)
Protection Class
IP 65
Required Fuse (external)
4 AT (time-lag)
Spool Position Monitoring
Yes (M)
Spool Symbol
V
Supply Voltage (nominal)
24 V DC
Valve Size
NG16
Weight
11.2 kg
1620 Old Apex Road
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