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SUN HYDRAULICS
DNCADXN736


$170.06 USD
  • SUN HYDRAULICS
  • Material:DNCADXN736
  • Model:DNCA-DXN@736
  • 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 DNCADXN736 (DNCADXN736) is a high-performance, solenoid-operated, 4-way, 2-position cartridge valve. This direct-acting, balanced spool directional valve is designed for efficient hydraulic control with a closed transition between positions to minimize oil loss during shifting. This feature is especially beneficial in pilot control circuits where maintaining hydraulic integrity is crucial. The DNCADXN736 operates with a valve capacity based on port 3 as the inlet and port 1 as the tank, supporting up to 8 gpm/30 L/min flow capacity and a maximum operating pressure of 5000 psi/350 bar. It features a quick response time of approximately 50 ms and boasts a high switching frequency of up to 15,000 cycles per hour. Despite its robust performance capabilities, this model maintains low leakage rates and requires minimal manual override force. Engineered for durability and reliability, the DNCADXN736 incorporates Sun's floating style construction to prevent internal parts from binding due to installation torque or machining variations. The solenoid tube assembly within this model is fatigue rated for demanding applications. Additionally, it utilizes a wet armature design where the working fluid surrounds the armature; this design consideration is crucial when dealing with prolonged coil energization which could affect fluid integrity over time. Notably versatile in terms of customization, the DNCADXN736 offers various coil termination and voltage options including weatherized coils for enhanced environmental protection. Its coils are interchangeable with other Sun Series 1 solenoid products and can be mounted in either direction on the tube. This flexibility extends to its compatibility with different fluids; cartridges configured with EPDM seals are specifically designed for phosphate ester fluids while avoiding exposure to petroleum-based substances that could damage the seals. Overall, the Sun Hydraulics DNCADXN736 provides a reliable solution for controlling directional flow in hydraulic systems, ensuring operational efficiency and adaptability across various application settings.

This solenoid-operated, 4-way, 2-position cartridge is a direct-acting, balanced spool directional valve. The transition between positions is closed. The closed transition greatly reduces the loss of oil when shifting which can be of particular importance in pilot control circuits.

  • Valve capacity is based on port 3 as the inlet and port 1 as the tank. Although reverse flow is possible, the same performance cannot be guaranteed and is not recommended.
  • 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.
  • Cartridges configured 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 8 gpm30 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
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: 990-431-006
Seal and nut kit - Coil Viton: 990-770-006Viton: 990-770-006

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