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SUN HYDRAULICS
DNCADZN748


$170.06 USD
  • SUN HYDRAULICS
  • Material:DNCADZN748
  • Model:DNCA-DZN@748
  • Summary:Cartridge

Quantity in stock: 0

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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 DNCADZN748 (DNCADZN748) is a high-performance, solenoid-operated, 4-way, 2-position cartridge valve characterized by its direct-acting, balanced spool directional control capabilities. This model is specifically designed to ensure a closed transition between positions, minimizing oil loss during shifting\u2014a feature critical in maintaining the efficiency of pilot control circuits. The valve operates with a capacity based on port 3 as the inlet and port 1 as the tank, though it does support reverse flow under certain conditions. With a robust solenoid tube assembly rated for fatigue at 5000 psi (350 bar), this valve guarantees reliable performance even under demanding conditions. It requires no minimum hydraulic pressure for operation, making it versatile across various applications. The DNCADZN748 is engineered with EPDM seals suitable for systems using phosphate ester fluids; however, these seals must not be exposed to petroleum-based fluids as they can cause damage. This model benefits from an efficient wet armature design where the working fluid surrounds the armature. Although beneficial in many setups, this design requires consideration of fluid type as prolonged exposure to heat when coils are energized can degrade certain fluids like water-glycol mixtures. The DNCADZN748 offers a wide range of coil termination and voltage options and incorporates Sun\u2019s unique magnetic design which enhances solenoid efficiency and ensures consistent valve shifting. Additional features include interchangeable coils compatible with other Sun Series 1 solenoid products, multiple coil connector options rated up to IP69K for environmental protection, and Sun\u2019s floating style construction which reduces risks associated with internal parts binding from installation stresses or machining variations. This model's quick response time and high switching frequency make it suitable for applications requiring rapid and frequent operations without compromising on reliability or performance.

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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