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SUN HYDRAULICS
DNCALZN914


$175.03 USD
  • SUN HYDRAULICS
  • Material:DNCALZN914
  • Model:DNCA-LZN@914
  • 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 DNCALZN914 (DNCALZN914) is a solenoid-operated, 4-way, 2-position cartridge valve, designed with a direct-acting, balanced spool for precise directional control. This valve features a closed transition between positions, significantly reducing oil loss during shifting, which is particularly beneficial in pilot control circuits. It is optimized for use with port 3 as the inlet and port 1 as the tank; while reverse flow is possible, it is not recommended due to performance limitations. The solenoid tube assembly is rated for fatigue at 5000 psi (350 bar), ensuring robust service life. This valve operates without requiring minimum hydraulic pressure and utilizes EPDM seals suitable for phosphate ester fluids; exposure to petroleum-based fluids can damage these seals. The DNCALZN914 incorporates a wet armature design where the working fluid surrounds the armature and dissipates heat generated by the coil. This feature demands attention to fluid compatibility, especially with water-glycol mixtures that may degrade under heat exposure over time. The solenoid's efficient magnetic design enhances spool actuation force per watt of power consumed, ensuring reliable operation. Coils are interchangeable within Sun Series 1 solenoid products and can be mounted in either direction on the tube. Various coil termination and voltage options are available, including configurations with surge protection. This valve features Sun's floating style construction to minimize internal binding from installation torque or cavity machining variations. It has a capacity of 8 gpm (30 L/min) and supports a maximum operating pressure of 5000 psi (350 bar). Typical response time is approximately 50 ms, with maximum leakage at specified conditions being 10 in\u00b3/min (160 cc/min). The valve's switching frequency can reach up to 15,000 cycles per hour. Manual override capabilities include a force requirement of 5 lbs/1000 psi at Port 1 and an override stroke of .10 inches (2.5 mm).

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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