Bosch Rexroth | H-4WEH32J6X6EG24N9ETK4B10D3
H-4WEH32J6X/6EG24N9ETK4/B10D3
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The H-4WEH32J6X/6EG24N9ETK4/B10D3 directional spool valve is manufactured by Bosch Rexroth for the WEH Directional Spool Valves series. Designed to shift hydraulic flow paths in automated systems, it fits the NG32 mounting interface and follows porting pattern ISO 4401-10-09-0-05. The J spool symbol defines its flow geometry, enabling up to 680 l/min at 350 bar when pressure is applied to ports p, A, or B. Electrical actuation is achieved with a 24 V DC coil that connects through a DIN EN 175301-803 K4 plug. A concealed N9 manual override permits local operation during commissioning or power loss. These features allow the valve to regulate high flow rates while maintaining reliable response in industrial hydraulic circuits.
Pilot oil supply and return are both internal, coded ET, so the installation needs no external pilot lines. The pilot control stage tolerates up to 250 bar and requires at least 8.5 bar to center the spring-loaded spool after actuation. Port T is rated for a maximum of 250 bar, ensuring the housing withstands back-pressure from the return path. A built-in D3 pressure reducing valve limits secondary pressure to 45 bar, safeguarding downstream actuators from overload. Flow stability is supported by a Ø1.0 mm B10 throttle insert that dampens pilot flow fluctuations. Together these parameters enable consistent performance within high-pressure hydraulic automation schemes.
Technical Specifications
Coil Voltage
24 V DC
D3 Secondary Pressure
45 bar
Electrical Connection
DIN EN 175301-803 (K4)
Manual Override
Concealed (N9)
Max Flow (symbol J, 350 Bar)
680 l/min
Max Operating Pressure (p, A, B)
350 bar
Max Pilot Pressure
250 bar
Max Port T Pressure
250 bar
Min Pilot Pressure (spring-centered)
8.5 bar
Pilot Oil Return
Internal (ET)
Pilot Oil Supply
Internal (ET)
Porting Pattern
ISO 4401-10-09-0-05
Pressure Reducing Valve
Included (D3)
Size
NG32
Spool Symbol
J
Throttle Insert
Ø1.0 mm (B10)
1620 Old Apex Road
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