Bosch Rexroth | 4WEH16J7X6EG24N9ETK4B10D3
4WEH16J7X/6EG24N9ETK4/B10D3
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The 4WEH16J7X/6EG24N9ETK4/B10D3 valve is a directional spool valve from Bosch Rexroth within the WEH Directional Spool Valves series. It directs hydraulic flow in automated machinery. The valve operates on a 24 V DC supply voltage which energizes the pilot solenoid. An electrical connection configured to DIN EN 175301-803 allows quick attachment of standard industrial connectors. The concealed manual override lets service personnel shift the spool without exposing the push pin to contaminants. Its NG16 size defines the mounting envelope and flow capacity, while spool symbol J establishes the internal flow paths used by the machine designer. A maximum flow rate of 300 l/min supports high-volume circuits, and a maximum operating pressure of 280 bar enables use in high-pressure systems. The interface follows the ISO 4401-07-07-0-05 porting pattern so the valve fits common sub-plates without adapter blocks.
The pilot stage tolerates pressures up to 250 bar and requires a minimum of 14 bar to shift the main spool, giving a wide control range for diverse supply conditions. Return pressure on the pilot line may rise to 210 bar in DC-powered installations without affecting function. For circuits that need a reduced control pressure, the integrated d3 orifice limits pilot pressure to 45 bar. A 1.0 mm throttle diameter in the pilot gallery further stabilizes spool movement by damping rapid pressure changes. Correct installation is secured with M10 screws tightened to 58 Nm, and the valve’s weight of 8.9 kg permits manual handling during assembly. An MTTFd value of 100 years highlights the unit’s statistical reliability for safety-related applications, completing the specification set for this hydraulic control component.
Technical Specifications
Electrical Connection
DIN EN 175301-803
Manual Override
Concealed
Max Flow (symbol J, Ng16)
300 l/min
Max Operating Pressure (p, A, B)
280 bar
Max Pilot Pressure
250 bar
Max Return Pressure (pilot)
210 bar (DC)
Min Pilot Pressure
14 bar
Mounting Screw Torque (m10)
58 Nm
Mttfd
100 years
Porting Pattern
ISO 4401-07-07-0-05
Reduced Pressure (d3)
45 bar
Size
NG16
Spool Symbol
J
Supply Voltage
24 V DC
Throttle Diameter
1.0 mm
Weight
8.9 kg
1620 Old Apex Road
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