SUN HYDRAULICS
DMDADAN628

***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 DMDADAN628 (DMDADAN628) is a high-performance solenoid-operated 3-way, 2-position cartridge valve designed for robust and precise hydraulic control. This direct-acting, balanced spool directional valve is engineered to operate without minimum hydraulic pressure, making it highly effective in a variety of applications. The valve features a fatigue-rated solenoid tube assembly suitable for service up to 5000 psi (350 bar), ensuring durability and reliability under high-pressure conditions. Notably, the DMDADAN628 incorporates closed transitions between Spools B and R, optimizing performance by providing faster and more consistent response times especially useful in pilot control applications where capacity is less critical. The wet armature design of the valve allows the working fluid to surround the armature, which can be critical in managing the heat generated by the coil during prolonged energization. Users should consider fluid compatibility as EPDM seals are used specifically for phosphate ester fluids; exposure to petroleum-based fluids can damage these seals. The valve's manual override mechanism is designed for temporary actuation with a mechanical life expectancy of approximately 7,000 cycles. Coils used with this model are interchangeable with other Sun Series 1 solenoid products and can be mounted in either direction to accommodate different installation requirements. Additionally, it incorporates Sun\u2019s floating style construction which minimizes internal parts binding due to excessive installation torque or machining variations of cavity/cartridge. With a maximum operating pressure of 5000 psi (350 bar) and flow capacity up to 12 gpm (45 L/min), along with rapid response times typically around 50 ms, this valve is well-suited for applications requiring reliable and precise fluid control. The design also supports frequent switching up to 15,000 cycles/hr, making it an ideal choice for systems requiring high cycling frequency under varying operational pressures.