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SUN HYDRAULICS
DNDCXAV214N


$226.56 USD
  • SUN HYDRAULICS
  • Material:DNDCXAV214N
  • Model:DNDC-XAV@214N
  • 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 DNDCXAV214N (DNDCXAV214N) is a direct acting, solenoid-operated, 4-way, 3-position spool valve designed for robust hydraulic applications. This valve features a spring-centered neutral position, allowing for precise control of fluid flow based on the energized state of its coils. When coil A is activated, the valve directs flow from port 3 P to port 2 A and from port 4 B to port 1 T. Conversely, energizing coil B redirects the flow from port 3 to port 4 and from port 2 to port 1. The solenoid tube assembly is rated for fatigue service at pressures up to 5000 psi (350 bar), ensuring reliable performance under demanding conditions. This valve operates without requiring a minimum hydraulic pressure and is suitable for differential flow circuits where higher return flows are managed through specific ports. It incorporates EPDM seals compatible with phosphate ester fluids; however, exposure to petroleum-based substances can damage these seals. The wet armature design of the solenoid ensures that working fluid surrounds the armature, which may impact performance if exposed to high temperatures over prolonged periods. The DNDCXAV214N offers various coil termination and voltage options with surge protection available, enhancing its versatility in different setups. Its high-efficiency solenoid design provides significant spool actuating force per watt expended, promoting dependable valve shifting. Coils are interchangeable within Sun Series 1 products and offer mounting flexibility. Additionally, coil connector options provide ratings up to IP69K for enhanced environmental protection. The valve's construction minimizes binding risks due to installation torque or machining variations and supports a capacity of up to 5 gpm (20 L/min). With a typical response time of 50 ms and a switching frequency of up to 15,000 cycles per hour, this valve is engineered for efficient operation in dynamic systems.

This direct acting, solenoid-operated, 4-way, 3-position spool valve is spring centered to the neutral position. When coil A is energized, the flow is from port 3 (P) to port 2 (A) and from port 4 (B) to port 1 (T). When coil B is energized, the flow is from port 3 to port 4 and from port 2 to port 1.

  • 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.
  • In differential flow circuits, the higher return flow should be directed through port 2 (A) to port 1 (T).
  • Cartridges 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 5 gpm20 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
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: 990-431-006
Seal and nut kit - Coil Viton: 990-770-006Viton: 990-770-006

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