SUN HYDRAULICS
DNCADTN71219

***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 DNCADTN71219 (DNCADTN71219) is a high-performance, solenoid-operated, 4-way, 2-position cartridge valve designed for precise control in hydraulic systems. This direct-acting, balanced spool directional valve ensures a closed transition between positions, minimizing oil loss during shifting which is crucial in maintaining the efficiency of pilot control circuits. The valve operates with a capacity based on port 3 as the inlet and port 1 as the tank, supporting up to 8 gpm/30 L/min flow rate and handling maximum operating pressures up to 5000 psi/350 bar. Constructed with robustness in mind, the DNCADTN71219 features a fatigue-rated solenoid tube assembly capable of enduring demanding conditions. Its wet armature design allows the working fluid to surround the armature, which is beneficial for heat dissipation but requires careful consideration of fluid type to avoid breakdown and varnish formation. The valve is equipped with EPDM seals specifically for use with phosphate ester fluids; however, these are susceptible to damage if exposed to petroleum-based substances. For operational versatility, this model offers a variety of coil termination and voltage options along with surge protection availability. It also boasts interchangeable coils compatible with other Sun Series 1 solenoid products and can be mounted in either direction on the tube. Environmental resilience is further enhanced through optional weatherized coils and kits. The DNCADTN71219 incorporates Sun\u2019s floating style construction that reduces risks associated with internal parts binding due to installation torque or cavity/cartridge machining discrepancies. This model ensures reliable performance with rapid response times typical at 50 ms and supports switching frequencies up to 15000 cycles per hour. Additionally, it provides manual override capabilities requiring minimal force even at high pressures. This combination of advanced features makes it an ideal choice for sophisticated hydraulic applications requiring precise control and reliability.