Product Overview
The SUN Hydraulics PVDA-LAN is a high-performance, direct-acting proportional directional valve designed for precise, infinitely variable control of hydraulic flow direction and magnitude. As a member of the Sun Hydraulics PVDA series, this valve utilizes a robust solenoid-actuated spool design that delivers smooth, responsive metering characteristics essential for advanced motion control systems. Unlike on/off directional valves, the PVDA-LAN enables proportional flow control in both directions, making it ideal for applications requiring controlled acceleration, deceleration, and position holding. Its cartridge-style construction allows for compact integration into manifold blocks, reducing system complexity and leak points while maintaining high power density. The LAN designation indicates a specific spool configuration and flow rating optimized for industrial proportional control loops.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Proportional Directional Valve (Precision Proportional & Servo Valve) |
| Model Designation | PVDA-LAN |
| Operating Pressure | Up to 350 bar (5075 psi) rated, typical for Sun Hydraulics proportional valves |
| Flow Rating | Nominal 20–40 L/min (5–10 gpm) depending on spool configuration and pressure drop |
| Actuation Type | Proportional solenoid, single or dual coil, with manual override option |
| Spool Configuration | LAN spool – closed-center, 4-way, 3-position, metering characteristics optimized for proportional control |
| Mounting & Connection | Cartridge-style, Sun Hydraulics standard cavity (T-11A or similar), manifold or subplate mounting |
| Electrical Interface | DIN 43650 connector or flying leads, 12 VDC or 24 VDC coil options |
| Hysteresis & Repeatability | Low hysteresis (<5%) and high repeatability for precise motion control |
Engineering Features & Advantages
- Precision Proportional Performance: The PVDA-LAN provides infinitely variable flow control proportional to the input current, enabling smooth actuator velocity control and eliminating the shock associated with on/off directional valves.
- Advanced Spool & Sleeve Design: Precision-matched spool and sleeve assembly ensures minimal internal leakage, low hysteresis, and consistent metering across the entire stroke, critical for closed-loop position and force control.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with robust solenoid construction and hardened internal components resistant to contamination and wear.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original Sun Hydraulics PVDA series valves, ensuring drop-in replacement without manifold modification.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original SUN standards, allowing straightforward retrofit into existing hydraulic systems without rework.
Typical Industrial Applications
The LAN designation indicates a specific spool configuration and flow rating optimized for industrial proportional control loops.
PRODUCT IMAGES

SUN HYDRAULICS PVDA-LAN Proportional Directional 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 SUN HYDRAULICS PVDA LAN Proportional Directional Valve. This USA-made 12 VDC hydraulic component features a spool-type design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.