Product Overview
The EATON 421AK00814B is a high-performance Vickers-style solenoid-operated directional control valve engineered for precise flow routing in demanding industrial hydraulic circuits. As part of Eaton’s renowned Vickers valve family, this 4-way, 3-position (4/3) directional valve utilizes a precision-machined spool and a robust AC or DC solenoid actuator to shift the spool between positions, directing pressurized fluid to the appropriate cylinder or motor port. The 421AK00814B is designed for manifold or subplate mounting and serves as a critical control element in systems requiring reliable start, stop, and direction reversal of hydraulic actuators. Its proven Vickers design ensures fast response, minimal internal leakage, and long service life in continuous-duty industrial applications.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Solenoid Directional Control Valve (4-Way, 3-Position) |
| Model Designation | 421AK00814B |
| Manufacturer | Eaton / Vickers |
| Operating Pressure | Up to 350 bar (5,000 psi) rated working pressure |
| Spool Configuration | 4/3 (Four-way, Three-position) with closed, tandem, or float center options |
| Actuation Type | Solenoid pilot / direct solenoid with spring return or detent |
| Mounting & Connection | Subplate or manifold mounting per ISO 4401 / CETOP standards |
| Flow Capacity | Nominal 40–80 L/min (dependent on spool type and pressure drop) |
| Seal Material | Nitrile (Buna-N) or Viton for high-temperature compatibility |
Engineering Features & Advantages
- Precision Spool & Sleeve Assembly: The hardened, ground, and honed spool-to-sleeve fit ensures minimal internal leakage, precise metering, and consistent shift response, even after millions of cycles.
- High-Force Solenoid Actuator: Encapsulated solenoid coils deliver reliable actuation at rated pressures, with optional manual override for emergency operation and system diagnostics.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, including high cycle rates, pressure spikes, and contaminated fluid environments when properly filtered.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM Vickers 421 series valves, ensuring drop-in replacement without modification to manifolds or piping.
- Low Pressure Drop: Optimized internal flow paths minimize energy loss and heat generation, improving overall system efficiency.
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PRODUCT IMAGES
EATON 421AK00814B Directional Control Valve
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- 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 Eaton 421AK00814B Solenoid Directional Valve. This USA-made 24V DC hydraulic component features a 4-way 3-position design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.