Bosch Rexroth | 4WRZE16E100-7X6EG24N9ETK31A1D3M
4WRZE16E100-7X/6EG24N9ETK31/A1D3M
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The 4WRZE16E100-7X/6EG24N9ETK31/A1D3M proportional directional valve belongs to the WRZ Proportional Directional Valves series from Bosch Rexroth and serves to meter flow and direct pressure-balanced oil paths in hydraulic automation systems. It is built in valve size 16, giving passage areas suitable for medium to large actuator circuits. The main stage passes up to 460 l/min, allowing high flow rates without excessive pressure loss, while a nominal flow of 100 l/min at a 10 bar differential offers precise proportional control in typical servo loops. The main ports withstand 350 bar, so the unit can be placed on high-pressure supply lines. Return oil on the external t port may reach 250 bar, whereas internal return is limited to 30 bar, enabling designers to match tank line layouts accordingly. A separate y drain is also limited to 30 bar to protect the pilot electronics. The housing weighs 13.6 kg, which influences manifold support and lifting provisions.
The integrated electronics require a 24 V DC supply, and the valve accepts a ±10 V command signal that translates spool position into bidirectional flow control. Each solenoid draws up to 2.5 A, a value set by a cold coil resistance of 2 Ω that defines starting current and power dissipation; continuous operation is possible because the duty cycle is 100%. Connection to the power and signal wiring is made through a DIN EN 175201-804 plug, simplifying replacement in the field. Environmental sealing reaches IP65, so the enclosure resists dust ingress and low-pressure water jets when the plug is correctly fitted. The body mounts to subplates that follow the ISO 4401-07-06-0-94 pattern, ensuring interchangeability with standard CETOP-07 manifolds. These electrical and mounting attributes combine with the earlier hydraulic ratings to integrate the valve into closed-loop position, speed, or force control applications.
Technical Specifications
Coil Resistance (cold)
2 Ω
Command Signal (a1)
±10 V
Duty Cycle
100%
Electrical Connection
DIN EN 175201-804 Plug
Max Flow (main Valve)
460 l/min
Max Operating Pressure (main)
350 bar
Max Pressure (y Port)
30 bar
Max Return Pressure (t, External)
250 bar
Max Return Pressure (t, Internal)
30 bar
Max Solenoid Current
2.5 A
Mounting Pattern
ISO 4401-07-06-0-94
Nominal Flow (∆p=10 Bar)
100 l/min
Protection Rating
IP65
Supply Voltage (electronics)
24 V DC
Valve Size
16
Weight
13.6 kg
1620 Old Apex Road
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