Bosch Rexroth | 4WRTE16W8-200L-4X6EG24K31A1M
4WRTE16W8-200L-4X/6EG24K31/A1M
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The 4WRTE16W8-200L-4X/6EG24K31/A1M valve belongs to the 4WRTE Directional Control Valves series manufactured by Bosch Rexroth and is applied to direct and meter hydraulic flow in automated machinery. Its valve size of 16 establishes the passage area needed for medium-to-high flow circuits, while the ISO 4401-07-07-0-05 mounting interface allows direct installation on standard subplates. A maximum operating pressure of 350 bar at ports P, A, and B permits use in high-pressure systems, and the recommended flow limit of 460 l/min supports large cylinder or motor demands without excessive pressure drop. Pilot oil flow of 14 l/min at 315 bar helps the spool shift quickly during command changes, and an external pilot return capacity of 250 bar lets designers route the drain line to remote reservoirs with back-pressure present. The unit weighs 11.2 kg, which simplifies manual handling during manifold assembly.
The electrical section is powered from a nominal 24 V DC supply, with an absolute maximum of 35 V DC to protect the electronics against overvoltage. Proportional control is driven by a ±10 V command input, and an input resistance of 100 kΩ limits signal current draw from the controller. Steady operation requires up to 1.6 A, whereas an impulse current of 2.7 A is momentarily drawn during rapid spool movement; together these values help size the power supply, which must deliver up to 72 VA. Connections are made through a DIN EN 175201-804 K31 plug that suits common machine wiring practices, and an IP65 protection class shields the housing from dust and low-pressure water jets during plant operation.
Technical Specifications
Absolute Supply Voltage Max
35 V DC
Command Input (a1)
±10 V
Current Consumption Max
1.6 A
Electrical Connector
DIN EN 175201-804 K31
External Pilot Return Max
250 bar
Impulse Current
2.7 A
Input Resistance
100 kΩ
Max Operating Pressure (p, A, B)
350 bar
Maximum Flow (recommended)
460 l/min
Mounting Interface
ISO 4401-07-07-0-05
Pilot Oil Flow (step At 315 Bar)
14 l/min
Power Consumption Max
72 VA
Protection Class
IP65
Supply Voltage (nominal)
24 V DC
Valve Size (ng)
16
Weight
11.2 kg
1620 Old Apex Road
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