SUN HYDRAULICS
DMDAMNV648

***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 DMDAMNV648 (DMDAMNV648) is a high-performance solenoid-operated 3-way, 2-position cartridge valve, specifically designed for robust and precise hydraulic control. This direct-acting, balanced spool directional valve is engineered for seamless operation with no minimum hydraulic pressure required. Its solenoid tube assembly is fatigue-rated for demanding applications up to 5000 psi (350 bar), making it suitable for high-pressure environments. Key features of the DMDAMNV648 include closed transitions between Spools B and R to enhance performance limits, albeit at a reduced capacity. This characteristic is particularly beneficial in pilot control applications where rapid and consistent response times are critical. The valve incorporates a wet armature design which involves the working fluid surrounding the armature, crucial for certain operational contexts but requiring consideration regarding fluid type due to potential heat exposure effects. For manual override operations, models equipped with D or L control utilize a detent mechanism designed primarily for temporary actuation, with an expected mechanical life of approximately 7,000 cycles. The cartridge's construction uses EPDM seals configured for compatibility with phosphate ester fluids; however, these seals are susceptible to damage if exposed to petroleum-based substances. Additionally, the interchangeable coils of the DMDAMNV648 are compatible with other Sun Series 1 solenoid products and can be mounted in either orientation on the tube. The design also features Sun\u2019s floating style construction which minimizes internal part binding due to installation torque or cavity/cartridge machining variations. With a typical response time of 50 ms and capable of handling up to 12 gpm (45 L/min), this valve ensures efficient fluid control in various hydraulic systems.