Bosch Rexroth | 4WEH22D7X6EW110N9K4V
4WEH22D7X/6EW110N9K4/V
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The 4WEH22D7X/6EW110N9K4/V valve belongs to the WEH Directional Spool Valves series and is manufactured by Bosch Rexroth. It directs oil flow in automated hydraulic systems by combining electro-hydraulic actuation with a four-way two-position spool. A high-power 6E pilot control valve shifts the main stage, while the coil is rated for 110 VAC to match standard plant supplies. Electrical connection is made through a DIN EN 175301-803 K4 plug, simplifying wiring in control cabinets. External pilot oil supply at port X and external return at port Y isolate the control circuit from load pressure. The pilot stage functions between a minimum pressure of 11 bar and a maximum of 210 bar, ensuring dependable switching across the machine envelope.
Nominal size NG25 porting is provided according to ISO 4401-08-08-0-05, allowing direct mounting on common subplates. The D-spool geometry develops a maximum flow of 400 l/min when the main stage operates at 280 bar, and the valve casing is rated for the same 280 bar operating pressure. A concealed N9 manual override lets maintenance staff shift the spool without energizing the coil. FKM seals resist high temperature and aggressive fluids commonly found in industrial circuits. These features complete the specification set for the 4WEH22D7X/6EW110N9K4/V and suit the valve to high-demand hydraulic automation where rapid, high-volume flow control is required.
Technical Specifications
Actuation
Electro-Hydraulic
Coil Voltage
110 VAC
Electrical Connection
DIN EN 175301-803 (K4)
Manual Override
Concealed (N9)
Max Flow @280 Bar (d)
400 l/min
Max Operating Pressure
280 bar
Max Pilot Pressure
210 bar
Min Pilot Pressure
11 bar
Nominal Size
NG25
Pilot Control Valve
High-Power (6E)
Pilot Oil Return
External (Y)
Pilot Oil Supply
External (X)
Porting Pattern
ISO 4401-08-08-0-05
Seal Material
FKM (V)
Spool Type
D
Way/positions
4/2
1620 Old Apex Road
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