SUN HYDRAULICS
DMDALPN912

***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 DMDALPN912 (DMDALPN912) is a high-performance solenoid-operated 3-way, 2-position cartridge valve. This direct-acting, balanced spool directional valve features a fatigue-rated solenoid tube assembly designed to handle pressures up to 5000 psi (350 bar). It is particularly effective in applications requiring closed transitions between positions, which enhances performance limits at the cost of capacity. This makes it ideal for use as pilot controls where capacity is less critical, allowing for faster and more consistent response times. The DMDALPN912 operates without needing a minimum hydraulic pressure, making it versatile and efficient for various hydraulic systems. The models equipped with the D or L control include a detent mechanism in the manual override intended for temporary actuation only. These models also boast a mechanical life expectancy of approximately 7,000 cycles. This valve is compatible with EPDM seals suited for phosphate ester fluids; however, these seals must not be exposed to petroleum-based fluids as they can cause damage. The wet armature design of the valve ensures that the working fluid surrounds the armature which might be an important consideration during prolonged coil energization as it affects fluid integrity. Furthermore, its coils are interchangeable with other Sun Series 1 solenoid products and can be mounted in either direction on the tube. The valve incorporates Sun's floating style construction to minimize internal parts binding due to 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), typical response time of 50 ms, and maximum leakage at 3000 psi rated at 5 in\u00b3/min (80 cc/min). It also supports a switching frequency up to 15000 cycles/hr and requires manual override force of about 5 lbs at 1000 psi for port operation. The model weighs approximately 0.60 lbs (0.30 kg) and uses Viton seals for enhanced durability under specific conditions.