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SUN HYDRAULICS
HDDATCN812


$192.40 USD
  • SUN HYDRAULICS
  • Material:HDDATCN812
  • Model:HDDA-TCN@812
  • Summary:Cartridge

Quantity in stock: 0

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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 HDDATCN812 (HDDATCN812) is a solenoid-operated check cartridge valve designed for efficient performance in lift-lower applications. 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. Suitable for load-holding applications, this valve features a fatigue-rated solenoid tube assembly capable of handling pressures up to 5000 psi (350 bar). The HDDATCN812 incorporates Sun's floating style construction, minimizing internal binding due to excessive installation torque or machining variations. It supports several manual override options, though these are not compatible with weatherized coils. The valve utilizes a wet armature design, where working fluid surrounds the armature and is exposed to coil-generated heat\u2014a consideration when using certain fluids over prolonged periods. The device offers interchangeable coils with other Sun Series 1 solenoid products and provides connector options rated up to IP69K for enhanced environmental protection. With a capacity of 10 gpm (40 L/min) and a typical response time of 50 ms, this cartridge is engineered for reliable performance in dynamic hydraulic systems. Additional specifications include a maximum valve leakage of 10 drops/min at 5000 psi (0.7 cc/min at 350 bar), check cracking pressure of 30 psi (2 bar), and switching frequency capability of up to 15,000 cycles per hour. The manual override requires a force of approximately 5 lbs/1000 psi and has a stroke length of .10 inches (2.5 mm). For installation, the valve hex size measures .78 inches (22.2 mm) with an installation torque between 30-35 lbf ft (41-47 Nm).

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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