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SUN HYDRAULICS
DMDAXBV72499


$168.38 USD
  • SUN HYDRAULICS
  • Material:DMDAXBV72499
  • Model:DMDA-XBV@72499
  • 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 DMDAXBV72499 (DMDAXBV72499) is a high-performance, solenoid-operated 3-way, 2-position cartridge valve designed for precise control in hydraulic systems. This direct-acting, balanced spool directional valve is uniquely constructed to ensure reliability and durability under high-pressure operations up to 5000 psi (350 bar). The valve features a fatigue-rated solenoid tube assembly suitable for demanding applications. One of the notable design aspects of the DMDAXBV72499 is its closed transition between Spools B and R, which enhances performance by providing faster and more consistent response times, especially beneficial in pilot control applications where capacity is less critical. This model operates without needing a minimum hydraulic pressure, facilitating its use in various fluid power setups. Equipped with EPDM seals, the DMDAXBV72499 is optimized for systems using phosphate ester fluids; however, it should not be exposed to petroleum-based fluids as they can damage the seals. The valve's wet armature design allows the working fluid to surround the armature, which helps manage heat during prolonged coil energization but requires careful consideration of fluid type to avoid degradation. Additionally, this model offers flexibility with interchangeable coils compatible with other Sun Series 1 solenoid products and can be mounted in either direction on the tube. It incorporates Sun\u2019s floating style construction which minimizes internal parts binding due to installation variances or machining discrepancies. The manual override feature present in models with D or L control provides temporary actuation with a mechanical life expectancy around 7,000 cycles. With a maximum flow capacity of 12 gpm (45 L/min) and rapid response time typically around 50 ms, the DMDAXBV72499 ensures efficient operation and control in hydraulic systems requiring robust and reliable directional control solutions.

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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