Genuine Bosch Rexroth R901278779, type 4WE10HA5X/EG24N9K4/M: Directional Spool Valve NG10, Spool Symbol HA, 24 VDC, 350 bar.
Solenoid-operated spool valves of the WE series start, stop and change the direction of oil flow to cylinders and hydraulic motors; the spool symbol defines how the ports P, T, A and B are connected in each switching position.
More Rexroth hydraulic and linear-motion parts: Bosch Rexroth range.
Rexroth describes it as follows: “Industrial hydraulic valve in a high performance range. Reliable switching of the oil flow direction according to hydraulic symbol” This version has 4 ports and 2 switching positions.
Technical data
| Material number | R901278779 |
|---|---|
| رمز الموديل | 4WE10HA5X/EG24N9K4/M |
| Operating pressure, max. | 350 bar |
| Max. flow | 120 l/min |
| Spool symbol | Symbol HA |
| Type of connection | Subplate mounting |
| Size | 10 |
| Type of actuation | with solenoid actuation |
| Number of ports | 4 |
| Number of switching positions | 2 |
| Supply voltage | 24 VDC |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Electrical connection description | Connector, 3-pole (2 + PE) according to EN 175301-803 |
| Seals | NBR |
| الوزن | 4.03 kg |
| Hydraulic fluids (per Rexroth) | HFC, HL, HLP, HLPD, HVLP, HVLPD |
| Product family | WE10../E |
| Data sheet | RD23340 |
| Brand | Bosch Rexroth |
| Condition | New, original |
At a glance
- Spool valve
- Direct actuated
Typical applications
- Injection moulding machines
- Machine tools and presses
- Test benches and special machines
- Hydraulic power units and manifolds
- Replacement of a worn or failed valve on an existing manifold
Compatibility and replacement
Order with the 10-character material number R901278779; in Rexroth codes every character (spool, solenoid voltage, connector, manual override and seals) changes the part, so the type code 4WE10HA5X/EG24N9K4/M on the nameplate should match exactly.
The values in the table come from the official Bosch Rexroth product data. If your old part shows a different series index (for example 5X instead of 6X), send us a photo and we will confirm the current equivalent.
Before you replace it
- Size (NG) and mounting pattern (ISO 4401 / cavity)
- Spool or function symbol
- Coil voltage and connector type
Frequently asked questions
What is the maximum flow?
120 l/min, according to the Bosch Rexroth product data.
What is the maximum operating pressure?
350 bar, according to the Bosch Rexroth product data.
What is the coil voltage?
24 VDC, according to the Bosch Rexroth product data.
How much does it weigh?
4.03 kg, according to the Bosch Rexroth product data.
Which spool symbol does it have?
Symbol HA, according to the Bosch Rexroth product data.
Can you help me identify the right replacement?
Yes. Send us a photo of the label of the old part, or its full order code, and we will confirm the exact match or the official successor before quoting.
How fast can you deliver, and is there a warranty?
Air shipping usually takes 5 to 7 days once the part is ready, to almost any country. Each part is new and original with a 1-year warranty. Message us on WhatsApp with the order number for a quotation.
Ordering tips
Send us the full order number from the label of the old part, or a clear photo of the label, together with the quantity you need. We check the number against the current manufacturer data before we quote and tell you if there is a newer replacement.
RendatSP ships from Yiwu, China, to factories worldwide; air delivery usually takes 5 to 7 days once the part is ready. The part is new and original with a 1-year warranty (shipping, payment and warranty). For a quotation, message us on WhatsApp with the order number and quantity. We also have agents in Saudi Arabia, Iraq, the UAE, Egypt, Oman, Libya, Morocco, Mauritania, Yemen, Algeria and Jordan.





