SUN HYDRAULICS
DMDAMPV748

***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 DMDAMPV748 (DMDAMPV748) is a high-performance solenoid-operated 3-way, 2-position cartridge valve designed for robust hydraulic system applications. This direct-acting, balanced spool directional valve features a unique design that allows for closed transitions between spools B and R, enhancing performance by providing faster and more consistent response times, particularly suitable for pilot control systems where capacity is less critical. The valve operates without the need for a minimum hydraulic pressure, making it versatile across various applications. Constructed with durability in mind, the solenoid tube assembly of the DMDAMPV748 is fatigue rated for service up to 5000 psi (350 bar). It incorporates Sun's floating style construction which helps minimize internal parts binding due to installation torque or cavity/cartridge machining variations. The manual override feature in models with D or L control is designed for temporary actuation with a mechanical life expectancy of around 7,000 cycles. This model uses EPDM seals suited for systems containing phosphate ester fluids but should avoid exposure to petroleum-based fluids which can damage the seals. Its wet armature design means that the working fluid surrounds the armature; this configuration can affect fluid integrity if exposed to prolonged heat from an energized coil. Interchangeability of coils with other Sun Series 1 solenoid products adds to its flexibility in system design. Additional specifications include a maximum flow capacity of 12 gpm (45 L/min), typical response times of 50 ms, and maximum operating pressures up to 5000 psi (350 bar). The valve also supports a high switching frequency of up to 15,000 cycles per hour and requires minimal manual override force. With its compact size and light weight (.60 lb/0.30 kg), the DMDAMPV748 offers an efficient solution for demanding hydraulic applications requiring precise control and reliability.