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SUN HYDRAULICS
DNCADZV912


$180.39 USD
  • SUN HYDRAULICS
  • Material:DNCADZV912
  • Model:DNCA-DZV@912
  • 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 DNCADZV912 (DNCADZV912) 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 directional valve ensures a closed transition between positions to minimize oil loss during shifting, which is crucial in maintaining efficiency in pilot control circuits. The valve features a design that allows port 3 to act as the inlet and port 1 as the tank, although it supports reverse flow; optimal performance in reverse is not guaranteed. With its robust construction, the DNCADZV912 valve can handle a maximum operating pressure of up to 5000 psi (350 bar) and has a flow capacity of 8 gpm (30 L/min). It incorporates a wet armature design where the working fluid surrounds the armature. This setup requires consideration of fluid type as heat from prolonged coil energization could degrade certain fluids. The solenoid tube assembly is also fatigue rated for high-pressure service up to 5000 psi. For enhanced adaptability, this model offers various coil termination and voltage options including configurations with surge protection. Its coils are interchangeable with other Sun Series 1 solenoid products and can be mounted in either orientation on the tube. Connector options for these coils can meet IP69K standards for water and dust ingress protection. Additionally, the DNCADZV912 uses Sun's floating style construction which reduces risks associated with internal parts binding due to installation torque or machining variations of cavity/cartridge. This feature ensures reliable operation and longevity of the valve even under stringent installation conditions. With its quick response time typically around 50 ms and capability to handle up to 15,000 switching cycles per hour, this valve meets demanding operational requirements effectively.

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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