SUN HYDRAULICS
DMDAMAN548

***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 DMDAMAN548 (DMDAMAN548) is a high-performance solenoid-operated 3-way, 2-position cartridge valve designed for direct-acting operation. This balanced spool directional valve is engineered to function without minimum hydraulic pressure, enhancing its versatility in various applications. The valve features a robust design with a fatigue rating for 5000 psi (350 bar), suitable for demanding environments. The DMDAMAN548 incorporates a closed transition between positions B and R, optimizing performance by providing faster and more consistent response times, particularly useful in pilot control setups where capacity is less critical. With its wet armature design, the working fluid surrounds the armature which could be a consideration during prolonged energization due to potential heat-related degradation of certain fluids. This model is equipped with EPDM seals intended specifically for systems using phosphate ester fluids; however, these seals must avoid exposure to petroleum-based substances to prevent damage. Additionally, the valve supports interchangeable coils compatible with other Sun Series 1 solenoid products and features a floating style construction that minimizes internal parts binding caused by excessive installation torque or cavity/cartridge machining variations. Key specifications include a flow capacity of 12 gpm (45 L/min), rapid typical response times of 50 ms, and maximum operating pressures up to 5000 psi (350 bar). The manual override mechanism in models with D or L control is designed for temporary actuation and has an expected mechanical life of approximately 7,000 cycles. This makes the DMDAMAN548 an ideal choice for applications requiring reliable directional control with high switching frequency capabilities up to 15,000 cycles/hr.