SUN HYDRAULICS
DNDCXHN548

***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 DNDCXHN548 (Material Number: DNDCXHN548) is a direct acting, solenoid-operated, 4-way, 3-position spool valve designed for high-efficiency performance in hydraulic systems. This valve is spring-centered to the neutral position and features a unique magnetic design that delivers high spool actuating force with minimal power expenditure. It operates at a maximum pressure of 5000 psi (350 bar) and has a capacity of 5 gpm (20 L/min). The valve's solenoid tube assembly is fatigue rated for robust service, ensuring reliable operation without the need for minimum hydraulic pressure. When coil A is energized, fluid flows from port 3 P to port 2 A and from port 4 B to port 1 T. Conversely, energizing coil B redirects flow from port 3 to port 4 and from port 2 to port 1. The valve's wet armature design allows working fluid to surround the armature, which can impact function if exposed to heat over prolonged periods. It's important for users employing differential flow circuits to channel higher return flows through port 2 A to port 1 T. The DNDCXHN548 offers versatility with various coil termination and voltage options available, including configurations with surge protection. Coils are interchangeable with other Sun Series 1 solenoid products and can be mounted in either direction on the tube. Additionally, seal kits are available in Viton material for both cartridge and coil applications. This valve incorporates Sun's floating style construction that minimizes binding risks due to excessive installation torque or machining variations in cavity/cartridge applications. It supports a switching frequency of up to 15,000 cycles per hour and features a typical response time of approximately 50 ms. With its robust design and efficient performance characteristics, this spool valve is well-suited for demanding hydraulic applications requiring precise control and reliability.