SUN HYDRAULICS
DNCADSN648

***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 DNCADSN648 (DNCADSN648) is a solenoid-operated, 4-way, 2-position cartridge valve designed for high-performance hydraulic systems. It features a direct-acting, balanced spool directional valve with closed transition between positions to minimize oil loss during shifting. This characteristic is particularly beneficial in pilot control circuits where maintaining fluid integrity is crucial. The valve operates efficiently with a capacity based on port 3 as the inlet and port 1 as the tank, though it allows reverse flow under specific conditions. Engineered for robustness, the DNCADSN648's solenoid tube assembly is fatigue rated for service up to 5000 psi (350 bar). It requires no minimum hydraulic pressure for operation, making it versatile across various applications. The wet armature design of the valve means that the working fluid surrounds the armature, which could be relevant when considering fluid types and operational temperatures, especially since some fluids may degrade under prolonged heat exposure. The DNCADSN648 accommodates a wide range of coil termination and voltage options, including configurations with surge protection. These coils are interchangeable with other Sun Series 1 solenoid products and can be mounted in either direction on the tube. Connector options for these coils are rated up to IP69K for enhanced environmental resilience. In terms of construction, this model incorporates Sun's floating style construction which helps prevent internal parts binding that can occur due to excessive installation torque or cavity/cartridge machining variations. With its high efficiency magnetic design, the DNCADSN648 ensures reliable valve shifting by providing a strong spool actuating force per watt expended. This model is also designed to accommodate manual overrides and has been tested up to 15,000 cycles per hour, demonstrating both its durability and reliability in demanding operational conditions.