SUN HYDRAULICS
DMDAZBV812

***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 DMDAZBV812 (DMDAZBV812) is a high-performance solenoid-operated 3-way, 2-position cartridge valve, featuring a direct-acting, balanced spool design. This model is specifically engineered to ensure minimized oil loss during position transitions due to its closed transition design, which is crucial for maintaining efficiency in pilot control circuits. The inclusion of a position switch allows for verification that the valve remains in the spring-biased position, enhancing operational reliability. Notably, the DMDAZBV812 must be used with a coil, which needs to be ordered separately. The valve assembly is delivered as a sealed unit and is not intended for field service; any required adjustments or servicing must be handled by returning it to the factory. This policy also extends to the warranty, which is voided by any tampering with the unit. The valve's construction includes a CE-approved position switch and requires specific tools like a crow's foot wrench for installation due to the position switch configuration. It features a solenoid tube that is fatigue rated for up to 5000 psi (350 bar), ensuring durability under high-pressure operations. Additionally, it operates without requiring minimum hydraulic pressure and incorporates EPDM seals suitable for phosphate ester fluids while being incompatible with petroleum-based substances. With its wet armature design, this valve's performance may vary based on fluid type and operational duration as heat from prolonged coil energization can degrade certain hydraulic fluids. The DMDAZBV812 offers various coil termination and voltage options and benefits from Sun Hydraulics' floating style construction which reduces risks of internal parts binding due to installation torque or machining variations of cavity/cartridge. This model has a maximum flow capacity of 12 gpm (45 L/min), operates at pressures up to 5000 psi (350 bar), and responds typically within 50 ms. It also supports switching frequencies up to 15000 cycles per hour and comes in configurations that enhance adaptability across different system requirements.