Bosch Rexroth | 4WRZ16W6-150-7X6EG24N9K4V
4WRZ16W6-150-7X/6EG24N9K4/V
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The 4WRZ16W6-150-7X/6EG24N9K4/V proportional directional valve belongs to the WRZ Proportional Directional Valves series and is produced by Bosch Rexroth. It regulates flow direction in hydraulic systems by moving a size 16 spool that follows the W6 symbol profile. At a 10 bar pressure drop, the valve delivers a nominal flow of 150 l/min through 20 mm service ports. The body withstands operating pressures up to 350 bar, enabling use in high-pressure circuits. Installation is carried out on an ISO 4401-07-06-0-94 interface, so the unit can be fitted to standardized subplates without additional adapters.
Electrical energy reaches the solenoid through a DIN EN 175301-803 plug at 24 V DC, and the coil may draw up to 1.5 A while remaining safe to a winding temperature of 150 °C. Control begins in a 3DREP 6E pilot valve that receives its oil supply externally and returns pilot drain externally as well. Protection to IP65 blocks dust and water jets, and a concealed manual override permits local actuation during commissioning or fault recovery. Fluorocarbon FKM seals resist hot hydraulic oil and additives, maintaining leakage control under continuous duty.
Technical Specifications
Electrical Connection
DIN EN 175301-803 Plug
Ingress Protection
IP65
Manual Override
Concealed
Max Coil Current
1.5 A
Max Coil Temperature
150 °C
Max Operating Pressure
350 bar
Mounting Interface
ISO 4401-07-06-0-94
Nominal Flow (∆p=10 Bar)
150 l/min
Pilot Oil Drain
External
Pilot Oil Supply
External
Pilot Valve Type
3DREP 6E
Port Diameter (a/b/p/t)
20 mm
Seals
FKM
Size
16
Spool Symbol
W6
Supply Voltage
24 V DC
1620 Old Apex Road
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