Product Overview
The SCHNEIDER VT3221 is a solenoid-actuated directional spool valve engineered for precise control of hydraulic fluid flow direction in industrial power circuits. Manufactured by Schneider (formerly known as Schneider Hydraulik), this standard directional control valve utilizes a hardened, precision-ground spool within a high-tensile cast iron body to route pressurized oil to actuators, cylinders, and motors. The VT3221 series is designed for reliable switching and holding functions in demanding hydraulic systems, offering fast response times and minimal internal leakage. It serves as a critical control interface in manifold-mounted or inline configurations, ensuring safe and repeatable operation of industrial machinery.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Solenoid Directional Spool Valve (Standard Directional Control Valve) |
| Model Designation | VT3221 |
| Operating Pressure | Up to 315 bar (standard industrial grade, dependent on spool type) |
| Mounting & Connection | Standard ISO 4401 / CETOP 3 (NG6) interface, subplate or manifold mounting |
| Actuation Type | AC or DC solenoid, spring return or detent, wet-pin armature design |
| Spool Configuration | 2-position or 3-position, 4-way, various center conditions (open, closed, tandem, float) |
| Flow Rate | Up to 60 L/min nominal (typical for NG6 size) |
| Internal Leakage | Minimal, precision spool-to-bore clearance for efficient holding |
Engineering Features & Advantages
- Precision Spool & Sleeve: Hardened and ground spool matched to a honed bore ensures precise metering, low hysteresis, and long service life even under high cycling rates.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with robust solenoid encapsulation and high-quality seals resistant to mineral oil and synthetic fluids.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, including ISO 4401 mounting patterns and standard electrical connectors (DIN 43650).
- Fast Response & Low Power: Optimized solenoid design provides rapid shifting with low power consumption, reducing heat generation in the hydraulic circuit.
- Versatile Circuit Integration: Available in multiple spool types and center configurations to suit a wide range of directional, holding, and unloading functions.
Typical Industrial Applications
The SCHNEIDER VT3221 solenoid directional spool valve is widely used in heavy industrial scenarios including plastic injection molding machines for mold opening/closing and injection control, metallurgical presses for ram advance/retract and pressure holding, construction and marine hydraulics for steering and implement circuits, and CNC machine tools for tool clamping, pallet changing, and axis locking. Its robust design also suits
PRODUCT IMAGES
SCHNEIDER VT3221 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 SCHNEIDER VT3221 Solenoid Directional Spool Valve. This German-made hydraulic component features a precise spool design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.