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SUN HYDRAULICS
DNDYXXV914N


$281.76 USD
  • SUN HYDRAULICS
  • Material:DNDYXXV914N
  • Model:DNDY-XXV@914N
  • 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 DNDYXXV914N (DNDYXXV914N) is a solenoid-operated 6-way, 2-position cartridge valve designed for selecting between two separate hydraulic circuits. In its de-energized state, it connects ports P and T to the first circuit, while energizing the solenoid switches the connection to the second circuit. This direct-acting, balanced spool valve operates without needing a minimum hydraulic pressure and is rated for up to 5000 psi (350 bar). The solenoid tube assembly is designed for durability in high-pressure environments. The valve features a wet armature design, which allows the working fluid to cool the armature but may lead to fluid degradation over time if energized continuously. It offers various manual override options, though these are incompatible with weatherized coils. The manual control assembly has an expected mechanical lifespan of approximately 7,000 cycles. This model supports diverse coil termination and voltage configurations with options for surge protection. Coils are interchangeable with other Sun Series 1 products and can be mounted bidirectionally on the tube. Connector options provide protection ratings up to IP69K for enhanced environmental resistance. The DNDYXXV914N incorporates Sun's floating style construction to reduce internal binding risks due to installation torque or machining variations. It has a maximum capacity of 5 gpm (20 L/min) and typical response time of 50 ms. The maximum valve leakage at 110 SUS (24 cSt) is rated at 5 in\u00b3/min at 3000 psi (80 cc/min at 210 bar). For manual operation, it requires an override force of approximately 5 lbs/1000 psi (33 N/100 bar) on Port 1, with a stroke length of .10 inches (2.5 mm). The valve's compact design includes a solenoid tube diameter of .75 inches (19 mm), hex size of .78 inches (22.2 mm), and installation torque requirements between 30-35 lbf-ft (41-47 Nm).

This solenoid-operated 6-way, 2-position cartridge is a direct-acting, balanced spool valve. The typical use for this valve is to select between two separate circuits. The de-energized condition connects P and T to the first circuit and when energized connects P and T to the second circuit.

  • 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.
  • On models equipped with the D or L control, the detent mechanism in the manual override is meant for temporary actuation. The D, L and T manual control assembly has a mechanical life expectancy of approximately 7,000 cycles.
  • This cartridge has several manual override choices, including no manual override. See the CONFIGURATION section. Please note: Manual override functionality is not compatible with weatherized coils.
  • 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-61A
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) 5 in³/min.@3000 psi80 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: 990-461-006
Seal and nut kit - Coil Viton: 990-770-006Viton: 990-770-006

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