Bosch Rexroth | 4WE6J73-6XEG24N9DAA1262
4WE6J73-6X/EG24N9DA/A12/62
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The 4WE6J73-6X/EG24N9DA/A12/62 valve is produced by Bosch Rexroth within the WE Directional Spool Valves series for hydraulic automation circuits. It is a size 6 unit that shifts flow paths to actuate cylinders or motors. The subplate interface follows mounting pattern ISO 4401-03-02-0-05, and its D03 porting arrangement aligns with common manifold layouts. A 24 V DC solenoid with ±10 % voltage tolerance drives the spool, while a 30 W power rating defines electrical load on control systems. Continuous energization is possible because the coil is specified for a 100 % ED duty cycle. A concealed manual override (code N9) permits emergency shifting without disturbing adjacent components, and the two-solenoid assembly weighs 1.95 kg for straightforward installation. To protect internal lapping surfaces, the hydraulic fluid must achieve cleanliness class ISO 4406 20/18/15.
System limits are defined by a maximum operating pressure of 350 bar at ports P, A, and B, and a tank-port limit of 210 bar, enabling the valve to serve medium-pressure power units. The spool can pass up to 80 l/min, so circuit designers can size pumps and return lines accordingly. Dynamic performance is governed by a switching frequency of 4.2 cycles per second, keeping heat rise and response within design targets. An NBR seal set maintains leak-tight separation between pressure zones when mineral-based fluids are used. Correct positioning on the manifold is assisted by a locating hole prepared for an ISO 8752-3 × 8-St spring pin, which prevents rotation under vibration. These parameters together define the valve’s role in directing pressurized flow with repeatable accuracy in automated hydraulic stations.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Duty Cycle
100% ED (S1)
Locating Hole
ISO 8752-3x8-St
Manual Override
Concealed (N9)
Max Operating Pressure (p, A, B)
350 bar
Max Switching Frequency (dc)
4.2 1/s
Max Tank Port Pressure (dc)
210 bar
Maximum Flow (dc)
80 l/min
Mounting Pattern
ISO 4401-03-02-0-05
Nominal Power (dc)
30 W
Nominal Voltage
24 V DC
Porting Pattern (nfpa)
D03
Seal Material
NBR
Size
6
Voltage Tolerance
±10%
Weight (two Solenoids)
1.95 kg
1620 Old Apex Road
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