SUN HYDRAULICS
DNCADBV71219

***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 DNCADBV71219 (DNCADBV71219) is a high-performance solenoid-operated, 4-way, 2-position cartridge valve designed for direct-acting operation. This balanced spool directional valve features a closed transition between positions, significantly minimizing oil loss during shifting\u2014a critical feature in pilot control circuits. With a capacity determined by using port 3 as the inlet and port 1 as the tank, the valve ensures efficient flow management but advises against reverse flow for optimal performance. Engineered for robust service, the solenoid tube assembly of the DNCADBV71219 is fatigue rated for up to 5000 psi (350 bar). It operates without requiring a minimum hydraulic pressure, enhancing its versatility across various applications. The valve incorporates EPDM seals specifically for use with phosphate ester fluids; however, these seals must avoid exposure to petroleum-based substances to prevent damage. A key feature of this model is its wet armature design where the working fluid surrounds the armature. Although beneficial in many setups, prolonged coil energization could lead to fluid breakdown in certain conditions, especially with water-glycol mixtures. The DNCADBV71219 offers a plethora of coil termination and voltage options, including versions with surge protection and environmental shielding options rated up to IP69K. Additionally, this model stands out due to its unique magnetic design that enhances solenoid efficiency and spool actuating force per watt expended. The interchangeability of coils with other Sun Series 1 solenoid products adds to its adaptability and ease of use. Its construction incorporates Sun's floating style design which minimizes internal part binding due to installation torque or machining variations in cavity-cartridge assemblies. With specifications like an 8 gpm (30 L/min) capacity and rapid typical response time of 50 ms, coupled with robust maximum operating pressures up to 5000 psi (350 bar), the DNCADBV71219 ensures reliable performance and durability in demanding hydraulic applications.