SUN HYDRAULICS
DNDCXAV528

***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Sun Hydraulics directly.***
The Sun Hydraulics DNDCXAV528 (Material Number: DNDCXAV528) is a direct acting, solenoid-operated, 4-way, 3-position spool valve designed for reliable hydraulic flow control. This valve is spring-centered to the neutral position and offers versatile flow paths: energizing coil A directs flow from port 3 P to port 2 A and from port 4 B to port 1 T, while energizing coil B shifts the flow from port 3 to port 4 and from port 2 to port 1. The solenoid tube assembly supports a fatigue rating of up to 5000 psi (350 bar), ensuring robust performance in demanding applications. Notably, this valve requires no minimum hydraulic pressure for operation, making it suitable for systems with varying pressure levels. The DNDCXAV528 incorporates a wet armature design where the working fluid surrounds the armature, which can be beneficial or detrimental depending on the fluid type and exposure duration. For instance, water-glycol mixtures may degrade over time due to heat exposure from long periods of coil energization. The valve's construction includes Sun's floating style design that minimizes internal binding risks due to installation torque or machining variations. This model offers a wide range of coil termination and voltage options with choices for surge protection. The coils are interchangeable with other Sun Series 1 products and can be mounted in either direction on the tube. Coils provide environmental protection ratings up to IP69K, and additional weatherized options are available for enhanced durability in harsh conditions. The valve features a cavity type T-31A with a capacity of up to 5 gpm (20 L/min) and demonstrates typical response times of around 50 ms. It maintains low maximum leakage rates at specified viscosities and pressures, supporting switching frequencies up to 15,000 cycles per hour. With its high-efficiency solenoid design yielding strong actuating force per watt consumed, this valve ensures dependable performance across various hydraulic applications.