SUN HYDRAULICS
DMDADRN948

***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 DMDADRN948 (DMDADRN948) is a high-performance solenoid-operated 3-way, 2-position cartridge valve designed for robust hydraulic system applications. Engineered for direct acting and balanced spool directional control, this valve operates without the need for minimum hydraulic pressure, enhancing its versatility in various operational environments. Its construction features a fatigue-rated solenoid tube assembly capable of handling pressures up to 5000 psi (350 bar), making it suitable for high-pressure applications. The DMDADRN948 valve incorporates closed transitions between Spools B and R, optimizing performance by providing faster and more consistent response times during operation\u2014ideal when used as pilot controls where capacity is less critical. Additionally, this model supports a maximum flow capacity of 12 gpm (45 L/min) and offers rapid response times typically around 50 ms. The durability of the manual override mechanism is notable, with a mechanical life expectancy of approximately 7,000 cycles. This valve utilizes EPDM seals specifically designed for use with phosphate ester fluids; however, these seals are susceptible to damage if exposed to petroleum-based fluids. The wet armature design aids in the cooling process but requires consideration regarding fluid selection to prevent breakdown and varnish formation that could impair functionality. For ease of integration and maintenance, the DMDADRN948's coils are interchangeable with other Sun Series 1 solenoid products and can be mounted in either direction on the tube. This model also benefits from Sun\u2019s floating style construction which minimizes internal parts binding\u2014a common issue caused by excessive installation torque or cavity/cartridge machining variations. This feature ensures reliable operation and longevity in challenging industrial settings.