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The 4WE6D6X/OFEW230N9DA/62 directional spool valve is part of the WE Directional Spool Valves series manufactured by Bosch Rexroth for hydraulic automation circuits. It uses spool type D to establish defined flow paths, and the design provides two detented spool positions so the operator can latch the valve in either state without continuous coil power. A porting pattern that follows ISO 4401-03-02-0-05 (NFPA D03) allows direct mounting on common subplates. The coil is rated for a nominal 230 V supply at 50/60 Hz, drawing 0.16 A at 50 Hz or 0.17 A at 60 Hz to match standard control transformers. Switch-on power reaches 220 VA to move the armature, while a continuous duty cycle of 100 % ED (S1) keeps the valve energized indefinitely. Total mass with two solenoids is 1.95 kg, which simplifies handling during assembly.
Once installed, the unit accommodates a maximum flow of 60 l/min to support medium-capacity actuators, and ports A, B, and P tolerate operating pressures up to 350 bar, while the tank port is limited to 160 bar to protect return lines. Switching frequency is limited to two cycles per second, balancing response time with coil heating. After actuation, holding power falls to 50 VA, reducing energy consumption during steady states. A concealed manual override identified as N9 lets maintenance personnel shift the spool without energizing the coil. The locating hole version ISO 8752-3x8-St aligns the housing precisely on the subplate for leak-free operation.
Duty Cycle
100% ED (S1)
Holding Power (ac)
50 VA
Locating Hole Version
ISO 8752-3x8-St
Manual Override
Concealed (N9)
Max Flow (ac)
60 l/min
Max Operating Pressure (a,b,p)
350 bar
Max Switching Frequency (ac)
2 1/s
Nominal Voltage
230 V (50/60 Hz)
Porting Pattern
ISO 4401-03-02-0-05 (NFPA D03)
Rated Current (50 Hz)
0.16 A
Rated Current (60 Hz)
0.17 A
Spool Positions
2 (Detent OF)
Spool Type
D
Switch-on Power (ac)
220 VA
Tank Port Max Pressure (ac)
160 bar
Weight (two Solenoids)
1.95 kg
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