Bosch Rexroth | 4WRTE16V1-200L-4X6EG24K31A1M
4WRTE16V1-200L-4X/6EG24K31/A1M
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The 4WRTE16V1-200L-4X/6EG24K31/A1M valve is part of the 4WRTE Directional Control Valves series from Bosch Rexroth and provides proportional direction control in hydraulic automation systems. Its nominal size of 16 balances flow capability with compact manifold space. Ports p, a, and b withstand pressures up to 350 bar, allowing the unit to operate in high-pressure circuits. Mounting follows the ISO 4401-07-07-0-05 porting pattern, so existing subplates can be reused. The solenoid is powered from a 24 V DC supply, and a maximum power demand of 72 VA along with a 1.6 A current ceiling guides power-supply sizing. Continuous energization is possible because the coil is rated for a 100 % duty cycle, while a 4 A time-lag fuse protects wiring during inrush. Electrical hookup uses the K31 connector defined by DIN EN 175201-804, easing replacement in the field.
The valve accepts a ±10 V command through the A1 control interface so an analog controller can position the spool proportionally. Coil insulation tolerates temperatures up to 150 °C, preventing thermal damage during extended operation. An IP65 enclosure blocks dust and low-pressure water jets, making the unit suitable for harsh production areas. Integrated spool position monitoring feeds back actual position to the supervisory PLC for diagnostic or closed-loop tasks. The external pilot return line may be pressurized to 250 bar, which supports remote tank routing in multi-stage systems, and the pilot stage conducts 14 l/min at 315 bar to secure rapid shifting. The assembly weighs 11.2 kg, so manifold supports must accommodate the static load.
Technical Specifications
Coil Max Temperature
150 °C
Connector
K31 (DIN EN 175201-804)
Control Interface
A1 (±10 V)
Duty Cycle
100%
Fuse Rating
4 A (time-lag)
Ingress Protection
IP 65
Max Current Consumption
1.6 A
Max Pilot Return Pressure (ext.)
250 bar
Max Power Consumption
72 VA
Max Pressure (p,a,b)
350 bar
Nominal Size
16
Pilot Oil Flow (step, 315 Bar)
14 l/min
Porting Pattern
ISO 4401-07-07-0-05
Spool Position Monitoring
Present
Supply Voltage
24 V DC
Weight
11.2 kg
1620 Old Apex Road
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