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SUN HYDRAULICS
DMDAXRV914


$203.03 USD
  • SUN HYDRAULICS
  • Material:DMDAXRV914
  • Model:DMDA-XRV@914
  • 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 DMDAXRV914 (DMDAXRV914) is a high-performance solenoid-operated 3-way, 2-position cartridge valve. This direct-acting, balanced spool directional valve is specifically designed to handle a maximum operating pressure of 5000 psi (350 bar) and is fatigue rated for demanding applications. The valve features closed transitions between Spools B and R, optimizing performance by ensuring faster and more consistent response times, particularly suitable for pilot control applications where capacity is less critical. The DMDAXRV914 requires no minimum hydraulic pressure to operate, which enhances its versatility in various hydraulic systems. It comes equipped with a manual override that has a mechanical life expectancy of approximately 7,000 cycles. This model also supports EPDM seals for systems utilizing phosphate ester fluids, while cautioning against the use of petroleum-based fluids which could damage the seals. Additionally, the valve incorporates a wet armature design allowing the working fluid to surround the armature. This design consideration is crucial as it can affect the fluid\u2019s properties if the coil remains energized for extended periods. The valve\u2019s construction includes Sun\u2019s floating style design which minimizes internal parts binding due to installation torque or cavity/cartridge machining variations. Key specifications include a flow capacity of 12 gpm (45 L/min), typical response time of 50 ms, and maximum leakage at 3000 psi being limited to 5 in\u00b3/min (80 cc/min). The switching frequency can reach up to 15,000 cycles/hr. Installation features such as a .75 inch (19 mm) solenoid tube diameter and an installation torque requirement of 30 \u2013 35 lbf\u00b7ft (41 \u2013 47 Nm) make this model adaptable and easy to integrate into existing systems. The DMDAXRV914 weighs approximately .60 lb (0.30 kg), ensuring it is both robust and manageable for various industrial applications requiring precise hydraulic control.

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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