SUN HYDRAULICS
DLDAZHV812

***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 DLDAZHV812 (DLDAZHV812) is a high-performance, solenoid-operated 2-way, 2-position cartridge valve that offers precise control in hydraulic systems. This direct-acting, balanced spool directional valve can be configured as either normally open or normally closed based on the application requirements. It features a position switch to verify that the valve is in its spring-biased position, enhancing operational safety and reliability. Designed for robust performance, the DLDAZHV812 operates without a minimum hydraulic pressure requirement and incorporates a wet armature design where the working fluid surrounds the armature. This design consideration is crucial for applications where the coil may be energized for extended periods, potentially affecting fluid integrity due to heat exposure. The solenoid tube assembly of this valve is fatigue rated for service up to 5000 psi (350 bar), ensuring durability under high-pressure conditions. The valve offers flexibility with various coil termination and voltage options and includes surge protection choices. Its unique magnetic design ensures high efficiency and effective spool actuating force per watt expended, leading to reliable shifting of the valve. The Sun floating style construction minimizes internal parts binding, which could result from excessive installation torque or variations in cavity/cartridge machining. Key specifications include a maximum flow capacity of 12 gpm (45 L/min), a typical response time of 50 ms, and maximum operating pressure of 5000 psi (350 bar). The DLDAZHV812 also supports a switching frequency up to 15000 cycles per hour and has been designed with practical installation requirements in mind; it necessitates using specific tools like a crow's foot wrench due to its position switch configuration. This cartridge system is factory sealed and not serviceable in the field; any required adjustments or servicing must be handled by returning it to the manufacturer to ensure warranty compliance and maintain operational integrity.