SUN HYDRAULICS
DMDAMBV648

***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 DMDAMBV648 (DMDAMBV648) is a high-performance, solenoid-operated 3-way, 2-position cartridge valve designed for robust hydraulic system applications. This direct-acting, balanced spool directional valve is ideal for situations requiring precise control and reliability. It features a fatigue rating of 5000 psi (350 bar), making it suitable for demanding environments. The DMDAMBV648 incorporates closed transitions between Spools B and R, enhancing performance by providing faster and more consistent response times during operation. This valve model operates without requiring a minimum hydraulic pressure, allowing for versatile deployment in various hydraulic circuits. Equipped with either D or L control options, the manual override feature includes a detent mechanism designed primarily for temporary actuation, supporting about 7,000 cycles mechanically. The DMDAMBV648 uses EPDM seals suitable for systems containing phosphate ester fluids; however, these seals must avoid exposure to petroleum-based substances to prevent damage. Another notable feature of the DMDAMBV648 is its wet armature design where the working fluid surrounds the armature which can be a consideration if the coil remains energized over extended periods. The valve is also compatible with other Sun Series 1 solenoid products regarding interchangeable coils that can be mounted in any direction on the tube. Additionally, it utilizes Sun's floating style construction to minimize internal parts binding caused by excessive installation torque or cavity/cartridge machining variations. For technical specifications: this model has a capacity of 12 gpm (45 L/min), operates up to a maximum pressure of 5000 psi (350 bar), and offers rapid response times typically around 50 ms. It supports switching frequencies up to 15,000 cycles/hr and requires manual override force of about 5 lbs at 1000 psi for Port 1 operations.