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SUN HYDRAULICS
COJCXAN


$310.85 USD
  • SUN HYDRAULICS
  • Material:COJCXAN
  • Model:COJC-XAN
  • 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 COJCXAN (COJCXAN) is a sophisticated hydraulic valve designed for high-performance applications that require precise flow control and reliable operation under varying pressure conditions. This spring-biased closed, pilot-to-close check cartridge valve allows fluid flow from port 1 to port 2 while effectively blocking reverse flow from port 2 to port 1 under any condition. It features a nominal pilot ratio of 1.8:1, meaning that it can close against a higher pressure at port 1 when influenced by suitable pressure at the pilot port. The COJCXAN valve is engineered with Sun's floating style construction which minimizes internal parts binding, ensuring smooth operation and reducing the risk of malfunction due to installation torque or cavity/cartridge machining variations. The valve operates with a maximum capacity of 160 gpm (610 L/min) and can handle a maximum operating pressure up to 5000 psi (350 bar). Additionally, it exhibits minimal leakage, maintaining tight control with only about one drop per minute at 110 SUS (24 cSt). This model is also equipped with robust sealing provided by Viton seals, ensuring durability and resistance against various fluids and temperatures. The valve's installation requires specific torque settings ranging from 350 to 375 lbf ft (474 to 508 Nm), emphasizing its need for precise handling during setup. With its considerable flow capacity and high-pressure handling capabilities, the COJCXAN valve is an essential component for systems requiring dependable backflow prevention and fluid control in demanding hydraulic applications.

This valve is a spring biased closed, pilot-to-close check cartridge that has a 1.8:1 pilot ratio. The valve allows flow from port 1 to port 2 and blocks reverse flow. Pressure at the external pilot port opposes pressure at port 1 at a ratio of 1.8:1. Port 3 is blocked.

  • Nominal pilot ratio is 1.8:1. This means that a pressure of 1000 psi (70 bar) at the pilot port will close a valve against a pressure of 1800 psi (125 bar) at port 1. Any decay or loss of pilot pressure could allow the valve to open, even if it is a momentary decay or loss.
  • Pressure at the port 2 area directly opposes pilot pressure.
  • Reverse flow through the valve from port 2 to port 1 is not possible under any condition.
  • With equal pressures at all ports the valve is closed.
  • 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-19A
Series 4
Capacity 160 gpm610 L/min.
Pilot Ratio 1.8:11.8:1
Maximum Operating Pressure 5000 psi350 bar
Maximum Valve Leakage at 110 SUS (24 cSt) 1 drops/min.0,07 cc/min.
Valve Hex Size 1 5/8 in.41,3 mm
Valve Installation Torque 350 - 375 lbf ft474 - 508 Nm
Model Weight 2.60 lb1,20 kg
Seal kit - Cartridge Viton: 990-019-006

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