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SUN HYDRAULICS
DMDATNV914N


$240.06 USD
  • SUN HYDRAULICS
  • Material:DMDATNV914N
  • Model:DMDA-TNV@914N
  • 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 DMDATNV914N (DMDATNV914N) is a high-performance solenoid-operated 3-way, 2-position cartridge valve designed for robust industrial applications. This direct-acting, balanced spool directional valve ensures reliable operation with no minimum hydraulic pressure required for activation. It features a fatigue-rated solenoid tube assembly capable of handling services up to 5000 psi (350 bar). The valve\u2019s construction includes closed transitions between Spools B and R, enhancing performance by providing faster and more consistent response times, particularly suitable for pilot control applications where capacity is less critical. The model incorporates a wet armature design, wherein the working fluid envelops the armature, potentially affecting fluid integrity under prolonged coil energization. It\u2019s compatible with EPDM seals for systems using phosphate ester fluids, although these seals are susceptible to damage from petroleum-based substances. Additionally, this model's manual override mechanism is designed primarily for temporary actuation with a mechanical life expectancy of about 7,000 cycles. Interchangeable coils with other Sun Series 1 solenoid products add versatility to this unit, allowing for installation flexibility. The valve also benefits from Sun\u2019s floating style construction which minimizes internal parts binding due to installation torque or cavity/cartridge machining variations. With a maximum flow capacity of 12 gpm (45 L/min) and swift typical response times of 50 ms, the DMDATNV914N is equipped to handle demanding operational conditions efficiently while maintaining tight leakage control at high pressures. This model's robust design and advanced engineering make it an ideal choice for sophisticated hydraulic systems requiring precise control and reliability.

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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