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SUN HYDRAULICS
HDDADCN212N


$177.01 USD
  • SUN HYDRAULICS
  • Material:HDDADCN212N
  • Model:HDDA-DCN@212N
  • 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 HDDADCN212N (Material Number: HDDADCN212N) is a versatile solenoid-operated check cartridge valve designed for efficient lift-lower applications and load-holding tasks. This hybrid valve integrates a direct-acting solenoid poppet valve with a check function, allowing flow from the inlet port 2 to the system port 1 while blocking flow from port 2 to port 3 when the solenoid is de-energized. The valve's fatigue-rated solenoid tube assembly can withstand pressures up to 5000 psi (350 bar), ensuring durability and reliability in demanding environments. It features several manual override options, although these are not compatible with weatherized coils. The wet armature design allows working fluid to surround the armature, which can affect performance if the coil is energized for extended periods, especially with certain fluids like water-glycol mixtures that may degrade over time. The HDDADCN212N incorporates Sun's floating style construction, minimizing internal part binding due to installation torque or machining variations. It has a capacity of 10 gpm (40 L/min) and operates with a typical response time of 50 ms. The maximum leakage at 110 SUS (24 cSt) is limited to 10 drops per minute at 5000 psi (0.7 cc/min at 350 bar). With a check cracking pressure of 30 psi (2 bar), this cartridge offers reliable performance across various applications. It also supports interchangeable coils with other Sun Series 1 solenoid products, providing flexibility in installation and environmental protection options up to IP69K ratings through various coil connector choices. The valve requires an installation torque between 30-35 lbf ft (41-47 Nm) and features a manual override stroke of .10 inches (2.5 mm).

This solenoid-after check cartridge is a hybrid valve incorporating a direct acting solenoid poppet valve teed in after the check function. The check valve flow is from the inlet (port 2) to the system (port 1). With the solenoid de-energized flow from (port 2) to (port 3) is blocked. This combination valve is typically used in lift/lower applications and can be integrated directly into the actuator.

  • The solenoid tube assembly is fatigue rated for 5000 psi (350 bar) service.
  • 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.
  • This cartridge has several manual override choices, including no manual override. See the CONFIGURATION section. Please note: Manual override functionality is not compatible with weatherized coils.
  • Suitable for load holding applications.
  • 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.
  • 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-11A
Series 1
Capacity 10 gpm40 L/min.
Maximum Operating Pressure 5000 psi350 bar
Response Time - Typical 50 ms50 ms
Maximum Valve Leakage at 110 SUS (24 cSt) 10 drops/min.@5000 psi0,7 cc/min.@350 bar
Check Cracking Pressure 30 psi2 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
Seal kit - Cartridge Viton: 990-011-006
Seal and nut kit - Coil Viton: 990-770-006Viton: 990-770-006

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