Bosch Rexroth | 4WE6G6XEG12N9K4V62SO43A-1661
4WE6G6X/EG12N9K4/V/62SO43A-1661
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The 4WE6G6X/EG12N9K4/V/62SO43A-1661 directional spool valve is produced by Bosch Rexroth for the WE Directional Spool Valves series. It directs hydraulic flow in automated circuits for cylinder actuation and pressure control. The valve mounts on subplates that follow the ISO 4401-03-02-0-05 porting pattern, allowing interchange with standard size 03 manifolds. A maximum operating pressure of 350 bar lets it serve high-pressure systems common in presses and injection molding machines. When energized, the spool passes up to 80 l/min of oil, so sizing lines and pumps is straightforward. Fluid cleanliness must reach ISO 4406 level 20/18/15 to avoid spool sticking and premature wear. The solenoid coil runs on 12 VDC and draws a rated current of 2.5 A, while its nominal power remains 30 W to limit heat rise in continuous duty. An IP65 enclosure shields the electrical parts from dust and low-pressure water.
In operation the coil joins to machinery wiring through a DIN EN 175301-803 type K4 plug, which enables quick replacement without field soldering. A concealed manual override marked N9 lets maintenance staff shift the spool mechanically, and it tolerates tank pressure up to 50 bar during this intervention. The locating hole specified as ISO 8752-3x8-St /62 centers the valve on the subplate so the seals land correctly on the pressure ports. Switching events can occur at up to 4.2 times per second, supporting rapid directional changes in servo-controlled circuits. Port T is allowed to see 210 bar, permitting back-pressure when flow returns through restrictive lines. FKM seals withstand aggressive hydraulic fluids and elevated temperatures, maintaining leak-tight performance over long service intervals.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Coil Voltage
12 VDC
Electrical Connector
DIN EN 175301-803 (K4)
Enclosure Rating
IP65
Locating Hole
ISO 8752-3x8-St (/62)
Manual Override Max Tank Pressure
50 bar
Manual Override Type
Concealed (N9)
Max Flow (dc)
80 l/min
Max Operating Pressure
350 bar
Max Switching Frequency
4.2 1/s
Nominal Power
30 W
Port T Max Pressure (dc)
210 bar
Porting Pattern
ISO 4401-03-02-0-05
Rated Current (12 Vdc)
2.5 A
Seal Material
FKM
1620 Old Apex Road
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