SUN HYDRAULICS
DMDADNV928

***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 DMDADNV928 (DMDADNV928) is a high-performance, solenoid-operated 3-way, 2-position cartridge valve designed for precision hydraulic control. Engineered with a direct-acting, balanced spool directional mechanism, this valve ensures reliable operation without the need for minimum hydraulic pressure. It features a robust solenoid tube assembly that is fatigue rated for up to 5000 psi (350 bar), making it suitable for demanding applications. The DMDADNV928 model incorporates closed transitions between spools B and R, enhancing performance by ensuring faster and more consistent response times during operation. This characteristic is particularly beneficial in pilot control applications where capacity is less critical. Additionally, the valve supports manual override through D, L, or T control options with a mechanical life expectancy of around 7,000 cycles. This model uses EPDM seals designed specifically for systems utilizing phosphate ester fluids; however, these seals are susceptible to damage when exposed to petroleum-based fluids. The wet armature design of the valve allows the working fluid to surround the armature which might affect performance if the coil remains energized over extended periods due to heat exposure. Furthermore, the DMDADNV928 offers interchangeable coils with other Sun Series 1 solenoid products and can be mounted in either direction on the tube. The construction features Sun's floating style which minimizes internal part binding caused by excessive installation torque or cavity/cartridge machining variations. Key specifications include a flow capacity of 12 gpm (45 L/min), maximum operating pressure of 5000 psi (350 bar), and typical response time of about 50 ms. The valve also supports up to 15,000 switching cycles per hour and has manual override requirements detailed for operational ease. This model's thoughtful engineering and adaptable features make it an essential component in advanced hydraulic systems requiring precise flow direction control.