Bosch Rexroth | H-4WEH16J7X6EG24N9ETS2DALB10D3
H-4WEH16J7X/6EG24N9ETS2DAL/B10D3
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The H-4WEH16J7X/6EG24N9ETS2DAL/B10D3 directional spool valve belongs to the WEH Directional Spool Valves series from Bosch Rexroth. It directs hydraulic flow in automation circuits and is built for NG16 manifolds. The spool identified by symbol J carries up to 300 l/min so that large actuators can move quickly. Main ports A and B accept 350 bar, while the pilot stage tolerates 250 bar, enabling use with high-pressure pumps. Spring-centering engages once the pilot supply reaches 14 bar, ensuring positive repositioning after actuation. Electrical control is provided by a 24 V DC pilot solenoid, and a concealed manual override marked N9 allows technicians to shift the spool during power loss.
Fluid purity must meet class 20/18/15 under ISO 4406 to protect the precision metering edges. The pilot return port y withstands 210 bar in direct-current service, and a secondary pressure of 45 bar is specified when a D3 stage is fitted. A B10 throttle insert can be installed to meter flow into the control ports and reduce shock. Mounting follows porting pattern ISO 4401-07-07-0-05 and uses four M10 × 60 screws to ISO 4762; each fastener is tightened to 58 Nm to resist load vibrations. The valve offers a mean time to dangerous failure of 100 years, supporting long-term safety functions in hydraulic equipment.
Technical Specifications
Cleanliness Class (iso 4406)
20/18/15
Manual Override
Concealed (N9)
Max Flow (ng16, Symbol J)
300 l/min
Max Operating Pressure (p, A, B)
350 bar
Max Pilot Pressure
250 bar
Min Pilot Pressure (spring-centered)
14 bar
Mounting Screw Torque
58 Nm
Mounting Screws
4 × M10 × 60 (ISO 4762)
Mttfd
100 years
Nominal Size
NG16
Pilot Return (y) Max Pressure (dc)
210 bar
Porting Pattern
ISO 4401-07-07-0-05
Secondary Pressure (d3 Valve)
45 bar
Spool Symbol
J
Supply Voltage (pilot)
24 V DC
Throttle Insert
B10
1620 Old Apex Road
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