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SUN HYDRAULICS
DNDCXCV72419


$249.39 USD
  • SUN HYDRAULICS
  • Material:DNDCXCV72419
  • Model:DNDC-XCV@72419
  • 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 DNDCXCV72419 (DNDCXCV72419) is a versatile direct-acting, solenoid-operated, 4-way, 3-position spool valve that is spring-centered to a neutral position. This valve allows for precise control of hydraulic fluid flow, with coil A directing flow from port 3 P to port 2 A and from port 4 B to port 1 T, while coil B directs flow from port 3 to port 4 and from port 2 to port 1. It is designed for systems operating up to a maximum pressure of 5000 psi (350 bar) and does not require minimum hydraulic pressure for operation. The valve features a fatigue-rated solenoid tube assembly and incorporates a wet armature design that ensures high efficiency by surrounding the armature with working fluid. This model is particularly suitable for differential flow circuits where higher return flows should be managed through specific ports. It also accommodates various system fluids with EPDM seals suited for phosphate ester fluids while being vulnerable to petroleum-based substances. The DNDCXCV72419 offers flexibility in coil termination and voltage options, including surge protection, making it adaptable to different system requirements. The solenoid's magnetic design ensures high spool actuating force per watt expended, promoting reliable operation even in demanding conditions. Coils are interchangeable with other Sun Series 1 solenoid products and can be installed in either direction on the tube. With options for coil connectors offering ratings up to IP69K and additional weatherized coils available, this valve provides robust environmental protection. The DNDCXCV72419 utilizes Sun's floating style construction, minimizing risks of internal binding due to installation torque or machining variations. It fits into T31A cavities, handles capacities up to 5 gpm (20 L/min), and offers a typical response time of 50 ms with a switching frequency of up to 15,000 cycles per hour.

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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