SUN HYDRAULICS
DMDAMNN71299

***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 DMDAMNN71299 (DMDAMNN71299) is a high-performance, solenoid-operated 3-way, 2-position cartridge valve that features a direct-acting, balanced spool design. This valve is particularly noted for its robust construction, including a solenoid tube assembly that is fatigue rated for 5000 psi (350 bar) service, ensuring durability and reliability in demanding applications. The valve's spools B and R maintain a closed position during the transition between two positions, enhancing performance by providing faster and more consistent response times especially in pilot control applications where capacity is less of a concern. Designed for versatility in hydraulic system integration, this model does not require minimum hydraulic pressure to operate, making it suitable for a wide range of operating conditions. The DMDAMNN71299 also features manual override options with detent mechanisms designed for temporary actuation; these are estimated to have a mechanical life expectancy of about 7,000 cycles. For systems utilizing phosphate ester fluids, cartridges configured with EPDM seals are recommended to prevent damage from petroleum-based fluids. Additionally, the wet armature design allows the working fluid to surround the armature which can be beneficial or detrimental depending on the duration the coil remains energized and the type of fluid used due to potential breakdown at high temperatures. This model incorporates interchangeable coils compatible with other Sun Series 1 solenoid products and can be mounted in either direction on the tube. It also utilizes Sun's floating style construction to minimize internal parts binding caused by excessive installation torque or variations in cavity/cartridge machining. With a maximum operating pressure of 5000 psi (350 bar) and capacity up to 12 gpm (45 L/min), along with rapid response times typically around 50 ms, this valve is engineered to meet rigorous industrial demands while maintaining precision control.