SUN HYDRAULICS
DMDAMRN548

***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 DMDAMRN548 (DMDAMRN548) 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 engineered to operate efficiently with a maximum operating pressure of 5000 psi (350 bar) and a capacity of 12 gpm (45 L/min). Notably, spools B and R remain closed during the transition between positions, enhancing performance by ensuring faster and more consistent response times, especially suitable for pilot control applications where capacity is less critical. The DMDAMRN548 features a wet armature design where the working fluid surrounds the armature, which is crucial when the coil is energized for extended periods as it can affect fluid integrity depending on its type. The valve's manual override options (D or L control) include a detent mechanism designed for temporary actuation with a mechanical life expectancy of approximately 7,000 cycles. Additionally, this model utilizes EPDM seals specifically for systems using phosphate ester fluids; however, these seals are susceptible to damage when exposed to petroleum-based fluids. Another advantage includes its interchangeable coils with other Sun Series 1 solenoid products that can be mounted in either direction on the tube. The construction incorporates Sun's floating style to minimize internal parts binding due to excessive installation torque or variations in cavity/cartridge machining. With typical response times around 50 ms and capable of handling up to 15,000 switching cycles per hour, this valve ensures reliable performance and durability in demanding operational conditions.