Bosch Rexroth | H-4WEH16Y7X6EG24N9S2K4B10D3-CSA
H-4WEH16Y7X/6EG24N9S2K4/B10D3 CSA
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The H-4WEH16Y7X/6EG24N9S2K4/B10D3 CSA valve belongs to the WEH Directional Spool Valves series and is manufactured by Bosch Rexroth. It directs hydraulic flow in automated systems and is built in size NG16 for medium-frame manifolds. Installation follows the ISO 4401-07-07-0-05 interface, and the coil receives a nominal 24 V DC through a DIN EN 175301-803 connector. A concealed manual override allows local shifting when power is unavailable. Spool return is hydraulic, maintaining consistent centering without mechanical springs. Switching time can be adjusted with discharge control S2. Pilot oil is supplied through an external X port and returned through an external Y port, keeping control oil separate from the main circuit.
Maximum operating pressure is 350 bar, supporting high-pressure lines, and the valve passes up to 300 l/min for large actuator groups. Pilot control tolerates 14 bar at the hydraulic end and up to 250 bar to handle demanding start conditions. The external Y port withstands 210 bar in DC applications. A secondary pressure-reducing valve caps downstream pressure at 45 bar to protect sensitive components. Flow stability is further refined by a B10 throttle insert with a 1.0 mm bore. These pressure and flow limits ensure dependable switching behavior across varied load profiles.
Technical Specifications
Electrical Connector
DIN EN 175301-803
Manual Override
Concealed
Max Pilot Pressure
250 bar
Max Pressure (port Y External)
210 bar (DC)
Maximum Flow
300 l/min
Maximum Operating Pressure
350 bar
Min Pilot Pressure (hydraulic End)
14 bar
Mounting Interface
ISO 4401-07-07-0-05
Nominal Voltage
24 V DC
Pilot Oil Return
External (Y)
Pilot Oil Supply
External (X)
Pressure Reducing Valve Secondary
45 bar
Size
NG16
Spool Return
Hydraulic
Switching Time Adjustment
Discharge Control (S2)
Throttle Insert
Ø1.0 mm (B10)
1620 Old Apex Road
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