Bosch Rexroth | Z4WE6E63-31EG24K33LQMAG24
Z4WE6E63-31/EG24K33LQMAG24
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The Z4WE6E63-31/EG24K33LQMAG24 valve is produced by Bosch Rexroth as part of the WE Directional Spool Valves series. It directs hydraulic flow in automated machinery where electrical actuation is preferred. The valve is built in size 6, a format suited to compact manifolds yet capable of 80 l/min maximum flow for medium-duty circuits. It mounts on sub-plates that follow the NFPA T3.5.1 R2-2002 D03 interface, and its port layout conforms to ISO 4401-03-02-0-05, simplifying interchange with existing D03 hardware. System lines connected to ports A, B, and P may operate up to 350 bar, while the tank port T is limited to 210 bar. The solenoid can remain energized continuously because the duty cycle is 100 percent in S1 operation. A 24 V DC coil draws 1.25 A during steady state, so control panels must provide a matching supply.
The electrical assembly consumes 30 W under rated conditions, and its insulation is class F, allowing the coil surface to reach 120 °C without deteriorating winding enamel. To avoid premature wear of the sliding spool, the hydraulic fluid must meet cleanliness level 20/18/15 according to ISO 4406. The unit ships with an inductive QM position switch that monitors spool position a, enabling controllers to confirm that the commanded state is achieved. A calculated MTTFd of 300 years supports use in safety-related circuits where high diagnostic coverage is required. These features integrate into automated hydraulic systems where reliable switching, verified feedback, and standardized mounting are necessary.
Technical Specifications
Cleanliness Class
Class 20/18/15 (ISO 4406)
Coil Nominal Power (dc)
30 W
Coil Nominal Voltage
24 V DC
Coil Rated Current (24 V Dc)
1.25 A
Duty Cycle
100% (S1)
Insulation Class (dc)
F
Max Coil Surface Temperature (dc)
120 °C
Max Flow (dc)
80 l/min
Max Operating Pressure (a/b/p)
350 bar
Max Tank Port Pressure (t, Dc)
210 bar
Monitored Spool Position
a
Mounting Interface
NFPA T3.5.1 R2-2002 D03
Mttfd
300 Years
Porting Pattern
ISO 4401-03-02-0-05
Position Switch Type
QM (Inductive)
Valve Size
6
1620 Old Apex Road
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