SUN HYDRAULICS
DNDCXYE71219

***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 DNDCXYE71219 (DNDCXYE71219) is a direct acting, solenoid-operated, 4-way, 3-position spool valve designed to be spring-centered to the neutral position. This versatile valve allows for precise control of hydraulic flow in various applications. When coil A is energized, the flow path is established from port 3 P to port 2 A and from port 4 B to port 1 T. Conversely, when coil B is activated, the flow is directed from port 3 to port 4 and from port 2 to port 1. The solenoid tube assembly is engineered for fatigue resistance up to a service pressure of 5000 psi (350 bar), ensuring durability under demanding conditions. This valve offers direct actuation without requiring minimum hydraulic pressure for operation, making it suitable for systems with variable flow conditions. In circuits with differential flow rates, it is advisable to channel higher return flows through port 2 A to port 1 T. The valve features EPDM seals compatible with phosphate ester fluids; however, these seals are susceptible to damage when exposed to petroleum-based substances. The DNDCXYE71219 utilizes a wet armature design where the working fluid surrounds the armature and absorbs heat generated by the coil. This design consideration is crucial for systems where coils remain energized over extended periods since certain fluids can degrade at elevated temperatures. Various coil termination and voltage configurations are available, enhancing adaptability across different system requirements. Coils are interchangeable within Sun Series 1 solenoid products and can be mounted bidirectionally on the tube. Connector options provide protection ratings up to IP69K, with additional weatherized coils available for enhanced environmental resilience. Incorporating Sun's floating style construction minimizes internal component binding risks due to installation torque or machining variations in cavity/cartridge interfaces. With a capacity of up to 5 gpm (20 L/min) and a typical response time of 50 ms, this valve delivers reliable performance in high-frequency applications up to 15,000 cycles per hour.