Bosch Rexroth | 4WRZE16E150-7X6EG24N9K31A1V
4WRZE16E150-7X/6EG24N9K31/A1V
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The 4WRZE16E150-7X/6EG24N9K31/A1V belongs to the WRZ Proportional Directional Valves series from Bosch Rexroth and is used to meter flow and direct hydraulic power in automated machinery. The valve is built to size 16 and mounts on the ISO 4401-07-06-0-94 interface so it can drop into standard subplates without adaptation. A nominal flow of 150 l/min at a 10 bar pressure drop enables rapid actuator movement, while the main stage tolerates 350 bar operating pressure to support high-force cycles. Fluid viscosities between 20 and 380 mm²/s are accommodated, maintaining consistent spool response across typical oil grades. FKM seals resist heat and chemically aggressive additives, extending service intervals. Continuous energization is possible because the duty cycle is 100 %, and the enclosure carries an IP65 rating to block dust and low-pressure water jets in industrial environments.
The integrated electronics accept a ±10 V command input that converts control signals into proportional solenoid current, and they are powered by a 24 V DC supply common to most hydraulic controllers. When cold, the solenoid shows 2 Ω resistance, and the drive circuit limits current to 2.5 A to prevent thermal overload. The winding survives ambient and oil-borne heat up to 150 °C, preserving magnetic force under continuous load. Connection is made through an EN 175201-804 plug that secures conductors against vibration. The assembly weighs 13.6 kg, adding structural stability to the manifold while remaining manageable during installation and service.
Technical Specifications
Command Value Input
±10 V (A1)
Duty Cycle
100 %
Electrical Connection
EN 175201-804 Plug
Max Coil Temperature
150 °C
Max Current
2.5 A
Max Operating Pressure (main)
350 bar
Mounting Interface
ISO 4401-07-06-0-94
Nominal Flow (∆p = 10 Bar)
150 l/min
Seals
FKM
Size
16
Solenoid Coil Resistance (cold)
2 Ω
Supply Voltage (electronics)
24 V DC
Type Of Protection
IP65
Viscosity Range
20 to 380 mm²/s
Weight
13.6 kg
1620 Old Apex Road
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