Product Overview
The Rexroth 4WE 10 D50/OFEG220N9K4/M (Material No. R901344562) is a direct-operated, solenoid-actuated directional spool valve from the proven Rexroth 4WE 10 series. Designed around a robust three-position, four-way (4/3) spool configuration with a “D” type center condition, this valve controls the start, stop, and direction of hydraulic flow in high-performance industrial circuits. The “OFEG220N9K4” designation indicates a wet-pin AC solenoid with 220 V AC supply, an emergency manual override, and an ISO 4401-compliant interface. As a core component in Rexroth’s modular valve program, it delivers precise spool positioning, fast response, and reliable switching for demanding hydraulic power control systems.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Solenoid Directional Spool Valve (4/3 Way, Direct-Operated) |
| Model Designation | 4WE 10 D50/OFEG220N9K4/M |
| Material Number | R901344562 |
| Spool Type | Type “D” — Closed Center (All Ports Blocked in Neutral) |
| Size / Nominal Flow | NG10 (Size 10) — up to approx. 120 L/min |
| Operating Pressure | Up to 350 bar (P, A, B ports); 210 bar (T port) |
| Solenoid Voltage | 220 V AC (OFEG series wet-pin solenoid) |
| Actuation | Two wet-pin AC solenoids with spring return to center |
| Manual Override | Integrated emergency manual actuation (N9K4 designation) |
| Mounting & Connection | ISO 4401-05-04-0-05 subplate mounting; DIN 24340 Form A |
| Seal Material | NBR (N9K4) — suitable for mineral oil based hydraulic fluids |
Engineering Features & Advantages
- Precision Performance: The integrated two wet-pin AC solenoids with spring return to center ensures precise, repeatable control with low hysteresis and stable performance across the full working range.
- Model-Specific Fit: Supplied to the exact Rexroth code 4WE 10 D50/OFEG220N9K4/M with standard N9 / K4 interfaces, so it fits existing 4WE installations without modification.
- Circuit-Matched Spool: The spool variant supplied matches this listing’s code; for a different centre condition or metering requirement, compare the related listings or send us your original code.
Typical Industrial Applications
As a core component in Rexroth’s modular valve program, it delivers precise spool positioning, fast response, and reliable switching for demanding hydraulic power control systems.
Understanding the Model Code: 4WE 10 D50/OFEG220N9K4/M
Each block of the Rexroth model code describes one attribute of the valve. Use this breakdown together with the specification table above to confirm the exact configuration you need:
| Code Block | Meaning |
|---|---|
| 4WE 10 | Solenoid Directional Spool Valve (4/3 Way, Direct-Operated) — NG10 (ISO 4401-05 / CETOP 5) |
| Spool D50 | Spool type D50 — metering and centre condition for this variant are listed in the specification table |
| K4 | Plug connector to DIN EN 175301-803 (ISO 4400) |
Always verify the complete code and material number against the nameplate on your existing valve before ordering — body size, spool type and coil voltage must all match.
Choosing the Right Variant
This listing is a standard coil version of the 4WE body (confirm the voltage block of your order on the nameplate). Coil voltage and spool type are the two attributes that decide compatibility in most retrofits — the same body size is available with different coils (EG24 / EW110 / W230 …) and different spools. Related listings:
- REXROTH 4WE 10 D50/OFEG24N9K4/M / R901278763 Solenoid Operated Directional Spool Valve
- REXROTH 4WE 10 D50/EG24N9K4/M / R901278760 Solenoid Directional Spool Valve
Frequently Asked Questions
Is the coil voltage important?
Yes — the coil is voltage-specific and must match your control circuit. Confirm the voltage block in the model code before ordering.
Can I change the coil voltage after installation?
The valve body is shared across the 4WE series, but the solenoid coil itself is voltage-specific; for a different supply voltage you need the matching coil (or the complete valve in that voltage variant). Confirm the coil part number with our team.
What do N9 and K4 mean?
N9 = concealed manual override for emergency actuation; K4 = plug connector to DIN EN 175301-803 (ISO 4400) — the standard electrical interface on most machines using 4WE valves.
What should I check before ordering?
Match the complete model code and material number (see nameplate) against your valve nameplate, and confirm your control-circuit voltage and spool requirement.
PRODUCT IMAGES
REXROTH 4WE 10 D50/OFEG220N9K4/M / R901344562 Solenoid Directional Spool Valve
⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine REXROTH 4WE 10 D50/OFEG220N9K4/M / R901344562 Solenoid Directional Spool Valve. This Germany-made 220V AC hydraulic component features a 4/2-way design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.