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SUN HYDRAULICS
DMDATBV72419


$204.52 USD
  • SUN HYDRAULICS
  • Material:DMDATBV72419
  • Model:DMDA-TBV@72419
  • Summary:Cartridge

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***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 DMDATBV72419 (DMDATBV72419) is a high-performance solenoid-operated 3-way, 2-position cartridge valve. It features a direct-acting, balanced spool design that enhances its operational efficiency and reliability. This valve is uniquely constructed to handle a maximum operating pressure of 5000 psi (350 bar) and is fatigue rated for demanding applications. The closed transitions between Spools B and R ensure higher performance limits by providing faster and more consistent response times, particularly beneficial when used as pilot controls. With a flow capacity of 12 gpm (45 L/min), the DMDATBV72419 can accommodate moderate flow rates while maintaining precise control. The response time for this model is typically swift at around 50 ms, which allows for quick system reactions\u2014crucial in dynamic fluid control scenarios. It also supports a high switching frequency of up to 15,000 cycles per hour, indicating its capability to handle frequent operation without degradation. The manual override feature of this model includes a detent mechanism designed for temporary actuation with an expected mechanical life of approximately 7,000 cycles. Furthermore, the valve incorporates EPDM seals suitable for systems using phosphate ester fluids; however, these seals must not be exposed to petroleum-based fluids as they could cause damage. Another key aspect of the DMDATBV72419 is its wet armature design where the working fluid surrounds the armature. While this aids in cooling, prolonged exposure to heat could affect fluid properties especially if water-glycol mixtures are used. The valve's robust construction also features Sun's floating style construction which minimizes internal part binding due to installation variances or cavity/cartridge machining differences. This versatile cartridge valve integrates seamlessly with other Sun Series 1 solenoid products due to its interchangeable coils that can be mounted in either direction on the tube assembly. This flexibility makes it an optimal choice for various hydraulic system applications requiring reliable directional control and rapid response times.

This solenoid-operated 3-way, 2-position cartridge is a direct-acting, balanced spool directional valve.

  • The solenoid tube assembly is fatigue rated for 5000 psi (350 bar) service.
  • Spools B and R are closed in the transition between their two positions. This results in a higher performance limit at the expense of lower capacity. When used as pilot controls, where capacity is not a factor, the closed transition will provide faster and more consistent response times.
  • This valve is direct actuated and requires no minimum hydraulic pressure for operation.
  • On models equipped with the D or L control, the detent mechanism in the manual override is meant for temporary actuation. The D, L and T manual control assembly has a mechanical life expectancy of approximately 7,000 cycles.
  • Cartridges configured with EPDM seals are for use in systems with phosphate ester fluids. Exposure to petroleum based fluids, greases and lubricants will damage the seals.
  • This valve utilizes a wet armature design. This means that the working fluid surrounds the armature and is exposed to the heat generated by the coil. This can be a factor if the coil is energized for long periods of time. Some fluids, notably water/glycol mixtures, break down at these temperatures over time and form varnishes that will affect the function of the cartridge.
  • Coils are interchangeable with other Sun Series 1 solenoid products and can be mounted on the tube in either direction.
  • Incorporates the Sun floating style construction to minimize the possibility of internal parts binding due to excessive installation torque and/or cavity/cartridge machining variations.

Cavity T-11A
Series 1
Capacity 12 gpm45 L/min.
Maximum Operating Pressure 5000 psi350 bar
Response Time - Typical 50 ms50 ms
Maximum Valve Leakage at 110 SUS (24 cSt) 5 in³/min.@3000 psi80 cc/min.@210 bar
Switching Frequency 15000 cycles/hr15000 cycles/hr
Manual Override Force Requirement 5 lbs/1000 psi @ Port 133 N/100 bar @ Port 1
Manual Override Stroke .10 in.2,5 mm
Solenoid Tube Diameter .75 in.19 mm
Valve Hex Size 7/8 in.22,2 mm
Valve Installation Torque 30 - 35 lbf ft41 - 47 Nm
Model Weight .60 lb0,30 kg
Seal kit - Cartridge Viton: 990-411-006
Seal and nut kit - Coil Viton: 990-770-006Viton: 990-770-006

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