SUN HYDRAULICS
DMDADBN223

***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 DMDADBN223 (DMDADBN223) is a high-performance solenoid-operated 3-way, 2-position cartridge valve designed for robust hydraulic flow control in demanding applications. This direct-acting, balanced spool directional valve is notable for its fatigue rating of up to 5000 psi (350 bar), making it suitable for high-pressure service environments. The DMDADBN223 features spools B and R which are closed during the transition between positions, enhancing performance at the cost of lower flow capacity. However, this characteristic is beneficial when the valve is used as pilot controls since capacity becomes less critical compared to response times. The valve operates without requiring a minimum hydraulic pressure, thereby providing flexibility and reliability in various operating conditions. It also includes manual override options with a detent mechanism designed for temporary actuation; these are available on models equipped with D or L control and have a mechanical life expectancy of about 7,000 cycles. Additionally, the DMDADBN223 uses EPDM seals suitable for phosphate ester fluids but should avoid exposure to petroleum-based fluids which could damage the seals. This model incorporates a wet armature design where the working fluid surrounds the armature\u2014this aspect needs consideration regarding fluid selection as some may degrade at higher temperatures. Its compatibility with other Sun Series 1 solenoid products allows interchangeable coils that can be mounted in either direction on the tube. Moreover, it employs Sun's floating style construction to reduce internal parts binding from excessive installation torque or machining variations of cavity/cartridge. With a typical response time of 50 ms and maximum leakage at 3000 psi rated at just 5 in\u00b3/min., this valve ensures precise and efficient operation across various hydraulic systems.