SUN HYDRAULICS
DNCADLN728

***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 DNCADLN728 (DNCADLN728) is a high-performance, solenoid-operated directional valve designed for precise control in hydraulic systems. This 4-way, 2-position cartridge valve features a direct-acting, balanced spool with a closed transition between positions, minimizing oil loss during shifting\u2014critical for maintaining efficiency in pilot control circuits. With a capacity of 8 gpm/30 L/min and capable of handling maximum operating pressures up to 5000 psi/350 bar, the DNCADLN728 is robust and versatile for various applications. This valve is particularly advantageous due to its direct actuation which operates without any minimum hydraulic pressure, enhancing its responsiveness and reliability in different system conditions. The solenoid tube assembly of the valve is fatigue rated for high-pressure service, ensuring long-term durability even under strenuous conditions. Additionally, the DNCADLN728 incorporates EPDM seals suitable for systems using phosphate ester fluids; however, these are susceptible to damage if exposed to petroleum-based fluids. The wet armature design of the DNCADLN728 allows the working fluid to surround the armature which can be beneficial or detrimental depending on the duration the coil is energized and the type of fluid used. Long-term exposure to heat can lead to breakdowns in certain fluids like water-glycol mixtures. For customization and flexibility in installation, this model offers a variety of coil termination and voltage options including configurations with surge protection. Its coils are interchangeable with other Sun Series 1 solenoid products and can be mounted in either direction on the tube. The valve also features high-efficiency solenoid design that maximizes spool actuating force per Watt expended. In terms of construction, Sun Hydraulics employs a floating style that minimizes internal parts binding due to variations in installation torque or cavity/cartridge machining, enhancing operational reliability and ease of maintenance. The DNCADLN728 also supports environmental adaptability with additional weatherized coils and kits available for enhanced protection against harsh conditions.