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SUN HYDRAULICS
DNCADJN912N


$170.56 USD
  • SUN HYDRAULICS
  • Material:DNCADJN912N
  • Model:DNCA-DJN@912N
  • 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 DNCADJN912N (DNCADJN912N) is a high-performance, solenoid-operated, 4-way, 2-position cartridge valve designed for precise hydraulic fluid direction control in various applications. This direct-acting, balanced spool valve offers a closed transition between positions, minimizing oil loss during shifting which is crucial in maintaining efficiency in pilot control circuits. The valve's functionality is based on port 3 serving as the inlet and port 1 as the tank outlet, with reverse flow capabilities although not recommended due to potentially inconsistent performance. With a robust design rated for up to 5000 psi (350 bar), the DNCADJN912N can handle demanding operational conditions without requiring a minimum hydraulic pressure to function. This makes it exceptionally versatile for various hydraulic systems. It incorporates EPDM seals suitable for phosphate ester fluids but must avoid exposure to petroleum-based substances which could damage the seals. The innovative wet armature design ensures that the working fluid envelops the armature, exposing it to heat generated by the coil which could affect fluid integrity over prolonged periods. This valve features multiple coil termination and voltage options, enhancing its adaptability to different electrical setups while maintaining high efficiency and reliable valve shifting. Additionally, this model uses Sun\u2019s floating style construction which reduces risks of internal parts binding due to installation discrepancies or cavity-cartridge machining variations. With its quick response time of approximately 50 ms and a maximum operating capacity of 8 gpm (30 L/min), it supports up to 15,000 switching cycles per hour, making it an ideal choice for systems requiring frequent operation cycles without compromising on reliability or performance.

This solenoid-operated, 4-way, 2-position cartridge is a direct-acting, balanced spool directional valve. The transition between positions is closed. The closed transition greatly reduces the loss of oil when shifting which can be of particular importance in pilot control circuits.

  • Valve capacity is based on port 3 as the inlet and port 1 as the tank. Although reverse flow is possible, the same performance cannot be guaranteed and is not recommended.
  • The solenoid tube assembly is fatigue rated for 5000 psi (350 bar) service.
  • This valve is direct actuated and requires no minimum hydraulic pressure for operation.
  • 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.
  • A wide variety of coil termination and voltage options are available, with and without surge protection. See the CONFIGURATION section.
  • The solenoid's unique magnetic design results in a high efficiency solenoid, yielding high spool actuating force per Watt expended, leading to reliable valve shifting.
  • Coils are interchangeable with other Sun Series 1 solenoid products and can be mounted on the tube in either direction.
  • Coil connector options offer ratings up to IP69K. See individual coil product pages for details. Additional weatherized coils and kits are available for more complete environmental protection.
  • 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-31A
Series 1
Capacity 8 gpm30 L/min.
Maximum Operating Pressure 5000 psi350 bar
Response Time - Typical 50 ms50 ms
Maximum Valve Leakage at 110 SUS (24 cSt) 10 in³/min.@3000 psi160 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: 990-431-006
Seal and nut kit - Coil Viton: 990-770-006Viton: 990-770-006

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