Bosch Rexroth | 4WRZ16W6-100-7X6EG24N9K4D3M
4WRZ16W6-100-7X/6EG24N9K4/D3M
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The 4WRZ16W6-100-7X/6EG24N9K4/D3M valve belongs to the WRZ Proportional Directional Valves series and is produced by Bosch Rexroth for closed loop hydraulic automation. It uses nominal size 16 ports to accommodate medium flow circuits, and delivers a nominal flow of 100 l/min at a 10 bar pressure drop to regulate actuator speed accurately. A main stage rating of 350 bar enables the spool to handle high-pressure lines typical in industrial presses or injection machines. The solenoid operates from a 24 V DC supply; a coil resistance of 4.8 Ω at 20 °C and a maximum current of 1.5 A define the electrical load that the drive card must provide. IP65 environmental protection allows installation where splashed oil or dust is present, while the DIN EN 175301-803 connector offers a standardized plug-in interface for field wiring.
Pilot oil is taken internally, so no separate supply line is required, and it is drained externally to prevent pilot backpressure; this arrangement allows reliable spool positioning even when the tank line rises. The return port can withstand 250 bar, supporting circuits with high backpressure. HL or HLP fluids specified by DIN 51524 are compatible with the valve, and NBR seals are fitted to resist these mineral oils and common operating temperatures. The mounting face follows the ISO 4401-07-06-0-94 pattern, so the unit bolts directly onto standard manifolds, and an integrated pressure-reducing cartridge type ZDR 6 DP0-4X/40YM-W80 stabilizes pilot pressure for consistent proportional control. A weight of 13.4 kg must be considered when selecting manifold supports and handling equipment.
Technical Specifications
Coil Resistance (20 °c)
4.8 Ω
Electrical Connection
DIN EN 175301-803
Hydraulic Fluid
HL/HLP (DIN 51524)
Max Coil Current
1.5 A
Max Operating Pressure (main)
350 bar
Max Return Port T Pressure (ext Drain)
250 bar
Nominal Flow (10 Bar ∆p)
100 l/min
Nominal Size
16
Pilot Oil Drain
External
Pilot Oil Supply
Internal
Porting Pattern
ISO 4401-07-06-0-94
Pressure Reducing Valve
ZDR 6 DP0-4X/40YM-W80
Seal Material
NBR
Supply Voltage
24 V DC
Type Of Protection
IP65
Weight
13.4 kg
1620 Old Apex Road
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