Hydraulic Solenoid Valves 4WE10 (NG10 / CETOP 5)

Directly controlled flow rates up to 120 l/min. The 4WE10 spool valves are robust solenoid valves with a nominal size of NG10 (CETOP 5) . Thanks to their powerful solenoids, they directly control oil flow without the need for pilot systems. Ideal for medium-power systems where quick response and simple design are essential. Operating pressures up to 315 bar.
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4WE10 type distributors – Standard NG10 (CETOP 5)

4WE10 solenoid valves are the older, bigger brothers of the popular 4WE6 valves. Compliant with the ISO 4401-05 standard, they offer significantly larger flow channels, allowing them to operate machines with higher pump capacity without throttling the system and overheating the oil.

Direct Operated

What sets the 4WE10 series apart from larger valves (like the NG16 or NG25) is that they are direct-acting . This means that the solenoid coil moves the main spool under its own power, rather than using oil pressure (pilot).

  • Advantage: Simpler design (no X/Y control channels), faster response to electrical signal and less sensitivity to oil contamination compared to pilot valves.
  • Strong Coils: To move the large spool under pressure, these valves feature large, reinforced ("High Performance") coils that generate significant pulling force.

Technical Parameters

The replacements we offer are fully compatible with Bosch Rexroth, Vickers, Parker, Atos valves (DKE, DHI series, etc.).

  • Maximum flow: Up to 120 l/min (market standard for this size).
  • Working pressure: P, A, B up to 315 bar (versions up to 350 bar available), T up to 210 bar (for direct current) or 160 bar (for alternating current).
  • Spool Diagrams: Full range of hydraulic logic: E (closed center), J (open center), H (pump unloading), G and more.

When to choose NG10 (4WE10) instead of NG6 (4WE6)?

Many customers wonder if it's worth paying extra for a larger valve. Choose the 4WE10 if:

  1. Your system generates flow above 60-70 l/min . Using a small NG6 valve here will cause huge pressure losses (oil heating).
  2. You want lower flow resistance during continuous operation.
  3. You need a more robust design that can withstand harsh conditions (larger slider = greater resistance to jamming).

Application

  • Medium-sized hydraulic presses.
  • Metalworking machines.
  • Mobile hydraulic systems (HDS, garbage trucks, snow plows).
  • Production lines and feeders.

FAQ: Hydraulic Solenoid Valves 4WE10 (NG10 / CETOP 5)
1. When should you choose the 4WE10 (CETOP 5) solenoid valve instead of the smaller 4WE6 (CETOP 3)?

The main selection criterion is the performance of the hydraulic pump (oil flow) in your machine.

  • The smaller 4WE6 series optimally handles flows up to 60-80 l/min.
  • If your pump delivers between 80 and 120 l/min , you must use the 4WE10 valve.
    Using a distributor that's too small for a large pump will cause throttling. Oil squeezing through too narrow channels will dramatically increase its temperature, quickly damaging the seals and reducing the machine's power.
2. Does the 4WE10 distributor fit on the 4WE6 connection plate?

No. Although both valves operate on the same principle, they have completely different installation standards due to the difference in flow rate.

  • 4WE6 (CETOP 3) has a smaller hole spacing and is usually mounted with 4 M5 screws.
  • The 4WE10 (CETOP 5) requires a larger NG10 plate with thicker flow channels and is mounted with 4 M6 screws. Remember to always select a plate that complies with the CETOP 5 standard when replacing or building a new system.
3. What is the maximum operating pressure for 4WE10 solenoid valves?

The 4WE10 series distributors, available from BRhydraulic, are designed to operate in very demanding industrial and mobile conditions.

  • They withstand pressures of up to 315 bar (and in some configurations up to 350 bar) at the main supply ports and actuator connections (P, A, B).
  • On the return line (T port - flow to the tank) the maximum pressure is typically 210 bar.
4. What do the E, J, G, H slider diagrams mean in the 4WE10 series?

As in smaller models, the letter in the name (e.g. 4WE10E) defines the behavior of the oil in the neutral position (when the coil is not powered):

  • Type E (closed): Shuts off all ports. Locks the cylinder in place. Used on presses and lifters.
  • Type G (Unloading): Connects the supply (P) to the return (T), allowing oil to circulate freely and relieving the pump. Ports A and B remain closed.
  • Type J/H (Motor): Opens ports A and B to runoff, allowing, for example, a hydraulic motor to gently coast to a stop without generating dangerous pressure surges.
5. Are the coils in the 4WE10 valves the same as in the 4WE6?

No. Due to the fact that the spool inside the 4WE10 valve is physically larger and heavier, and the hydrodynamic forces of the flowing oil (up to 120 l/min) are much higher, these valves require larger and more powerful solenoid coils . At BRhydraulic, we offer dedicated solenoid coils for NG10 valves in all standard voltages (12V DC, 24V DC, 230V AC), which guarantee reliable and fast valve switching even at maximum pressure.

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