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The 4WE6D6X/OFEG125N9K4/V directional spool valve is produced by Bosch Rexroth within the WE Directional Spool Valves series. It directs hydraulic flow in automated circuits by shifting a size 6 spool inside a precision‐ground housing. A wet-pin solenoid actuates the spool under a rated voltage of 125 V DC, and the coil requires only 0.17 A, simplifying driver design. Wiring is handled through a DIN EN 175301-803 connector, while an IP65 enclosure rating guards against dust and low-pressure water spray encountered in machinery enclosures. The sub-plate fastens to manifolds that follow the NFPA T3.5.1 R2-2002 D03 interface, and internal passages align with the ISO 4401-03-02-0-05 porting pattern to maintain interchangeability among stack valves.
The valve weighs 1.95 kg, so a single technician can install or remove it without lifting equipment. It operates with supply pressures up to 350 bar and tolerates tank port pressures of 210 bar, allowing placement on both high-pressure and back-pressure lines. Flow capacity reaches 80 l/min, providing adequate volume for medium-duty actuators. FKM seals resist common hydraulic fluids and elevated temperatures to extend service intervals. A concealed manual override lets personnel shift the spool when power is absent, while an internal detent holds the selected position after actuation. Because there is no spring return, the spool remains in its last state until electrical or manual repositioning, which suits circuits that demand stable, latched positions.
Actuation
Wet-Pin Solenoid
Electrical Connection
DIN EN 175301-803
Ingress Protection
IP65
Manual Override
Concealed
Max Flow (dc)
80 l/min
Max Operating Pressure
350 bar
Max Tank Port Pressure (dc)
210 bar
Mounting Interface
NFPA T3.5.1 R2-2002 D03
Porting Pattern
ISO 4401-03-02-0-05
Rated Coil Current
0.17 A
Rated Voltage
125 V DC
Seal Material
FKM
Size
6
Spool Detent
Yes
Spring Return
None
Weight
1.95 kg
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