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SUN HYDRAULICS
DNCALSV924N


$179.50 USD
  • SUN HYDRAULICS
  • Material:DNCALSV924N
  • Model:DNCA-LSV@924N
  • 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 DNCALSV924N (DNCALSV924N) is a solenoid-operated, 4-way, 2-position cartridge valve designed for efficient directional control in hydraulic systems. This direct-acting, balanced spool valve features a closed transition between positions, minimizing oil loss during shifting, which is particularly advantageous in pilot control circuits. The valve's capacity is optimized with port 3 as the inlet and port 1 as the tank; while reverse flow is possible, it is not recommended due to potential performance inconsistencies. Constructed to withstand up to 5000 psi (350 bar), the solenoid tube assembly is fatigue-rated for long-lasting service. This valve operates without requiring any minimum hydraulic pressure and utilizes EPDM seals suitable for phosphate ester fluid systems, avoiding exposure to petroleum-based substances that could damage the seals. Its wet armature design allows the working fluid to surround the armature, which can lead to heat exposure when the coil is energized over extended periods; certain fluids may degrade under these conditions. The solenoid's magnetic design enhances efficiency by providing high spool actuating force per watt used, ensuring reliable valve operation. The DNCALSV924N offers a variety of coil termination and voltage options, some with surge protection capabilities. Coils are interchangeable with other Sun Series 1 products and can be mounted bidirectionally on the tube. Weatherized coils and kits are available for enhanced environmental protection, with connector options rated up to IP69K. The valve incorporates Sun's floating style construction to prevent internal binding due to excessive torque or machining variations. Designed for robust performance, this valve has a capacity of 8 gpm (30 L/min) and features quick response times of approximately 50 ms. It supports a maximum switching frequency of 15,000 cycles per hour and requires minimal manual override force. The DNCALSV924N comes with Viton seal kits for both cartridge and coil applications.

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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