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SUN HYDRAULICS
DRBOCDV


$152.80 USD

Tags:

  • SUN HYDRAULICS
  • Material:DRBOCDV
  • Model:DRBO-CDV
  • 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 DRBOCDV (DRBOCDV) is a direct-acting, 3-way directional cartridge valve designed for moderate flow circuits. This versatile component functions as a switching device and can be utilized independently or to actuate larger pilot-operated directional or logic cartridges. The valve operates by shifting when the pressure differential between port 1 and port 4 exceeds its set value. It features a bidirectional flow path between ports 2 and 3, allowing port 3 to serve as a work port. The design ensures low internal leakage and minimal pilot flow consumption, making it efficient in operation. This valve is interchangeable with both direct-acting and pilot-operated versions, fitting the same cavities and maintaining identical flow paths. Notably, pressure at port 4 directly adds to the valve's setting, enhancing its operational flexibility. The DRBOCDV is not bistable; it modulates between two positions based on system demands. It incorporates Sun's floating style construction to prevent internal part binding due to excessive installation torque or machining variations. Key specifications include a maximum operating pressure of 5000 psi (350 bar) and a maximum valve leakage of 2 in\u00b3/min (30 cc/min) at 110 SUS (24 cSt). The valve has a capacity of handling up to 7 gpm (28 L/min) with factory pressure settings established at 4 gpm (15 L/min). Installation requires specific torque settings for both the valve body and locknut, ensuring secure placement within hydraulic systems. This model weighs .55 lbs (.25 kg) and utilizes Viton seals for reliable performance under various conditions.

Direct-acting, 3-way directional cartridges (1 blocked, 2 to 3 open) are switching devices typically used in moderate flow circuits. They can be used by themselves or to actuate larger pilot-operated directional cartridges or logic cartridges. The valve shifts when the pressure differential between port 1 and port 4 exceeds the setting.

  • Port 3 can be used as a work port.
  • The flow path between port 2 and port 3 is bidirectional.
  • Because of their direct-acting design, these cartridges feature low internal leakage and low pilot flow consumption.
  • Direct-acting and pilot-operated versions of these valves are interchangeable. They fit the same cavities and have the same flow paths.
  • Pressure at port 4 is directly additive to the setting of the valve.
  • This valve is not bistable; it is capable of modulating between the two positions shown.
  • The flow path between port 1 and port 2 is bidirectional.
  • Maximum pressure at port 3 should be limited to 3000 psi (210 bar). This is due to fatigue strength limits not hydraulic operating limits.
  • 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-21A
Series 1
Capacity 7 gpm28 L/min.
Factory Pressure Settings Established at 4 gpm15 L/min.
Maximum Operating Pressure 5000 psi350 bar
Maximum Valve Leakage at 110 SUS (24 cSt) 2 in³/min.30 cc/min.
Adjustment - Number of Clockwise Turns to Increase Setting 55
Valve Hex Size 7/8 in.22,2 mm
Valve Installation Torque 30 - 35 lbf ft41 - 47 Nm
Adjustment Screw Internal Hex Size 5/32 in.4 mm
Locknut Hex Size 9/16 in.15 mm
Locknut Torque 80 - 90 lbf in.9 - 10 Nm
Model Weight .55 lb0,25 kg
Seal kit - Cartridge Viton: 990-021-006

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