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SUN HYDRAULICS
DNCALBN936


$179.99 USD
  • SUN HYDRAULICS
  • Material:DNCALBN936
  • Model:DNCA-LBN@936
  • 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 DNCALBN936 (DNCALBN936) is a high-performance, solenoid-operated, 4-way, 2-position cartridge valve designed for robust and efficient control in hydraulic systems. This direct-acting, balanced spool directional valve features a closed transition between positions, which significantly reduces oil loss during shifting\u2014a critical feature for maintaining efficiency in pilot control circuits. The DNCALBN936 is engineered for versatility with a valve capacity defined by port 3 as the inlet and port 1 as the tank return path. While it allows for reverse flow, optimal performance under such conditions isn't guaranteed. Notably, this model requires no minimum hydraulic pressure to operate and includes a fatigue-rated solenoid tube assembly capable of handling up to 5000 psi (350 bar). The valve's wet armature design means that the working fluid surrounds the armature; thus, it is crucial to consider fluid characteristics as some may degrade at higher temperatures. This model also boasts rapid response times typical of Sun Hydraulics' products\u201450 ms\u2014and can handle maximum operating pressures of 5000 psi (350 bar). With a switching frequency of up to 15,000 cycles per hour and minimal leakage at high pressures, it ensures reliable operation even under demanding conditions. The DNCALBN936 can be equipped with various coil termination and voltage options, enhancing its adaptability across different applications. Furthermore, this valve uses EPDM seals specifically designed for systems using phosphate ester fluids; however, exposure to petroleum-based fluids should be avoided to prevent seal damage. Users will find additional ease of integration given that coils are interchangeable with other Sun Series 1 solenoid products and can be mounted in either direction on the tube. The robust construction minimizes internal part binding risks due to installation or machining variations\u2014ensuring long-term reliability and performance stability in diverse hydraulic applications.

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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