SUN HYDRAULICS
DMDALNV648

***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 DMDALNV648 (DMDALNV648) 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 particularly suited for applications requiring reliable actuation without the need for minimum hydraulic pressure. The DMDALNV648 features a fatigue-rated solenoid tube assembly capable of handling services up to 5000 psi (350 bar), making it ideal for high-pressure environments. The valve incorporates closed transitions between Spools B and R, enhancing performance by providing faster and more consistent response times, especially useful in pilot control applications where capacity is less critical. Its wet armature design allows the working fluid to surround the armature, which is beneficial in reducing operational temperatures but requires consideration of fluid characteristics due to potential breakdowns when exposed to prolonged heat. Additionally, the DMDALNV648 offers versatile manual override options with a mechanical life expectancy of approximately 7,000 cycles. It also supports interchangeable coils with other Sun Series 1 solenoid products and features a floating style construction that minimizes internal parts binding. This design consideration ensures reliability even under varying installation conditions and machining variations. With specifications including a flow capacity of 12 gpm (45 L/min), maximum operating pressure of 5000 psi (350 bar), and rapid response times typically around 50 ms, the DMDALNV648 is equipped to handle demanding hydraulic control tasks efficiently. The valve also supports EPDM seals for compatibility with phosphate ester fluids while avoiding exposure to petroleum-based substances that could damage the seals.