Bosch Rexroth | 4WRZE16E150-7X6EG24N9ETK31A1D3M
4WRZE16E150-7X/6EG24N9ETK31/A1D3M
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The 4WRZE16E150-7X/6EG24N9ETK31/A1D3M proportional directional valve is part of the WRZ Proportional Directional Valves series from Bosch Rexroth and is intended to meter flow and direct high-pressure hydraulic oil in automated motion circuits. It delivers a nominal flow of 150 l/min at a 10 bar differential, while the main stage withstands operating pressures up to 350 bar to support heavy-duty actuators. The solenoid operates from a 24 V DC supply, and the coil shows 2 Ω resistance at 20 °C, resulting in a steady current draw limited to 1.8 A. For fast spool movement it accepts a 3 A power pulse, and spool position is commanded by a ±10 V analog signal that interfaces with common motion controllers. Electrical hookup is provided through a DIN EN 175201-804 connector, and a concealed manual override allows maintenance personnel to shift the valve when power is unavailable.
Pilot oil is supplied and drained internally so no external pilot lines are required, and the return port tolerates up to 30 bar when the drain path is internal. Maximum hysteresis is held to 6 %, maintaining predictable flow relative to the input signal, and the enclosure attains an IP65 rating to resist dust ingress and water jets encountered on machinery. The coil insulation permits temperatures up to 150 °C before derating, safeguarding function during elevated ambient or fluid temperatures. A built-in pressure reducing valve designated ZDR 6 DP0-4X/40YM-W80 stabilizes pilot pressure for consistent actuation. Total mass is 13.6 kg, which influences mounting hardware selection for the manifold or subplate.
Technical Specifications
Coil Resistance (cold, 20 °c)
2 Ω
Command Signal Input (a1)
±10 V
Current Consumption (max)
1.8 A
Electrical Connection
DIN EN 175201-804
Hysteresis (max)
6%
Manual Override
Concealed
Max Coil Temperature
150 °C
Max Operating Pressure (main Valve)
350 bar
Max Return Line Pressure (internal Drain)
30 bar
Nominal Flow (Δp = 10 Bar)
150 l/min
Pilot Oil Supply And Drain
Internal
Power Pulse Current
3 A
Pressure Reducing Valve
ZDR 6 DP0-4X/40YM-W80
Protection Rating
IP65
Supply Voltage
24 V DC
Weight
13.6 kg
1620 Old Apex Road
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