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SUN HYDRAULICS
DNDCXTV714


$237.08 USD
  • SUN HYDRAULICS
  • Material:DNDCXTV714
  • Model:DNDC-XTV@714
  • 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 DNDCXTV714 (DNDCXTV714) is a direct acting, solenoid-operated, 4-way, 3-position spool valve designed for efficient fluid control in hydraulic systems. This valve is spring-centered to the neutral position and features two operational modes depending on which coil is energized. When coil A is activated, the flow transitions 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 of this valve is fatigue-rated for service pressures up to 5000 psi (350 bar), ensuring durable performance under demanding conditions. The DNDCXTV714 requires no minimum hydraulic pressure for operation due to its direct actuated design, making it versatile for various applications. It incorporates a wet armature design, where the working fluid surrounds the armature, exposing it to coil-generated heat. Users should consider this factor, particularly with fluids like water-glycol mixtures that may degrade over time at elevated temperatures. The valve supports a wide range of coil termination and voltage options with or without surge protection. This model features high-efficiency solenoids that provide substantial spool actuating force per watt consumed, contributing to reliable valve shifting. The coils are interchangeable with other Sun Series 1 solenoid products and can be mounted in either direction on the tube. With connector options rated up to IP69K and additional weatherized coils available, this valve offers robust environmental protection. The DNDCXTV714 utilizes Sun's floating style construction to minimize internal binding risks due to installation torque or machining variations. It fits into cavity T-31A and has a capacity of up to 5 gpm (20 L/min). With a typical response time of 50 ms and maximum leakage at specified conditions of 10 in\u00b3/min (160 cc/min), this valve is engineered for high switching frequency operations 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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