SUN HYDRAULICS
DNDCXBE914N

***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 DNDCXBE914N (DNDCXBE914N) is a direct acting, solenoid-operated, 4-way, 3-position spool valve designed for hydraulic systems requiring precise flow control and reliable performance. This valve is spring-centered to the neutral position, allowing for efficient flow direction changes when either coil A or coil B is energized. Specifically, 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 channels flow from port 3 to port 4 and from port 2 to port 1. The solenoid tube assembly is engineered to withstand up to 5000 psi (350 bar), ensuring durability in high-pressure applications. This spool valve operates without needing a minimum hydraulic pressure, making it suitable for various applications where direct actuation is required. In differential flow circuits, it's recommended that higher return flows are routed through port 2 A to port 1 T for optimal performance. The use of EPDM seals makes this valve compatible with phosphate ester fluids but unsuitable for petroleum-based fluids due to potential seal damage. The DNDCXBE914N features a wet armature design, which allows the working fluid to cool the armature but may require consideration of fluid breakdown over time if coils are energized continuously. It offers diverse coil termination and voltage options with optional surge protection. The solenoid's design ensures high efficiency and reliable shifting due to significant spool actuating force per watt expended. Interchangeable coils with other Sun Series 1 products enhance versatility, while weatherized options provide environmental protection up to IP69K ratings. The floating style construction minimizes internal binding risks related to installation torque or machining variations. With a capacity of up to 5 gpm (20 L/min) and a rapid response time of approximately 50 ms, this valve is an excellent choice for demanding hydraulic applications requiring fast switching capabilities up to 15,000 cycles per hour.