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SUN HYDRAULICS
DNDCXWE223


$823.63 USD
  • SUN HYDRAULICS
  • Material:DNDCXWE223
  • Model:DNDC-XWE@223
  • 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 DNDCXWE223 (DNDCXWE223) is a direct acting, solenoid-operated, 4-way, 3-position spool valve that is spring-centered to the neutral position. This valve operates without requiring any minimum hydraulic pressure and features a fatigue-rated solenoid tube assembly for 5000 psi (350 bar) service. When coil A is energized, the flow transitions from port 3 P to port 2 A and from port 4 B to port 1 T. Energizing coil B redirects flow from port 3 to port 4 and from port 2 to port 1. The valve's design accommodates differential flow circuits by directing higher return flow through port 2 A to port 1 T. This model utilizes a wet armature design, where the working fluid envelops the armature and absorbs heat generated by the coil. It's crucial for systems using fluids like water-glycol mixtures, which may degrade into varnishes under prolonged high temperatures, potentially impacting cartridge function. The valve offers various coil termination and voltage configurations, including options with surge protection for enhanced reliability. The DNDCXWE223 boasts a high-efficiency solenoid with significant spool actuating force per watt consumed, ensuring dependable valve shifting. Compatible with other Sun Series 1 solenoid products, its coils are interchangeable and can be mounted in either direction on the tube. The valve also features IP69K-rated coil connector options and additional weatherized coils for comprehensive environmental protection. Incorporating Sun's floating style construction minimizes internal part binding due to excessive installation torque or machining variations in cavity/cartridge interfaces. With a capacity of up to 5 gpm (20 L/min), this valve supports maximum operating pressures of up to 5000 psi (350 bar) and typical response times of approximately 50 ms. It offers a switching frequency of up to 15,000 cycles per hour and maintains a maximum valve leakage rate of about 10 in\u00b3/min at standard conditions.

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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