REXROTH H-4WEH 25 J6X/6EW230N9ETK4/B10 R900911762

Rexroth H-4WEH 25 J6X/6EW230N9ETK4/B10 Hydraulic Valve

Description

This is a high-performance, two-stage electro-hydraulic directional spool valve from the trusted Rexroth H-4WEH 25 series. It is designed for mounting to the NG25 / CETOP 08 standard interface. The valve is pilot-operated, utilizing a 4WE 6 solenoid valve to direct flow and shift the main spool. This design allows for high flow rates with precise and reliable control, suitable for demanding industrial machinery and hydraulic power units. This unit is equipped with 230V AC solenoids for actuation.

Specifications

• Manufacturer: Rexroth
• Type: H-4WEH 25 J6X/6EW230N9ETK4/B10
• Component Series: 6X
• Nominal Size: 25 (NG25)
• Maximum Operating Pressure (Ports P, A, B): 350 bar
• Maximum Operating Pressure (Port T): 210 bar
• Actuation Type: Electro-hydraulic
• Solenoid Voltage: 230V AC (50/60Hz)
• Spool Symbol: J
• Feature /B10: Throttle insert in channel P of main valve

Label Info

• Main Valve Assembly P/N: 0532015135
• Pilot Valve MNR: R900911762
• Pilot Valve Type: 4WE 6 J62/EW230N9K4
• Solenoid Coil P/N: R900071030
• Date Code: 38/19

Application

This valve is ideal for controlling the start, stop, and direction of fluid flow in a wide range of hydraulic systems, including industrial presses, machine tools, plastic injection molding machines, and heavy mobile equipment.

Country of Origin

Made in Germany.

CO2 Impact

Opting for this pre-owned valve over a new one prevents the emission of approximately 38 kg of CO2, a significant saving that contributes to a more sustainable industrial practice.

Availability

This item is in stock and ready for immediate dispatch. Order now from spareparts2day for expert support and fast delivery.

FAQ

Question?

What is the function of the /B10 designation in the type code?

Answer?

The /B10 designation indicates that a throttle insert is fitted in the P-port (pressure port) of the main valve. This is used to control the speed of the main spool shifting, providing smoother actuation.

Question?

Can the 230V AC solenoids be replaced with a different voltage, like 24V DC?

Answer?

Yes, the solenoids (Part No. R900071030) are modular components. They can be unscrewed and replaced with compatible DC versions. However, you must ensure the replacement coil is compatible with the valve’s pressure tube system.

Question?

What hydraulic fluid is recommended for the H-4WEH 25 series?

Answer?

These valves are primarily designed for use with mineral oil-based hydraulic fluids (HL, HLP) according to DIN 51524. For use with other fluid types, such as synthetic esters or water glycols, it is essential to consult the official Bosch Rexroth datasheet to ensure material compatibility.

Current Date: March 13, 2026

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