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SUN HYDRAULICS
CODCXBN


$62.64 USD
  • SUN HYDRAULICS
  • Material:CODCXBN
  • Model:CODC-XBN
  • 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 CODCXBN (CODCXBN) is a precision-engineered pilot-to-close check cartridge valve designed for hydraulic systems requiring reliable, non-return functionality. This valve facilitates controlled flow from port 1 to port 2 while effectively blocking any reverse flow from port 2 to port 1, ensuring stable system operations under varying conditions. The valve operates with a nominal pilot ratio of 1.8:1, meaning that it can close against a higher pressure at port 1 when the appropriate pressure is applied at the pilot port. Specifically constructed to handle a maximum flow capacity of 20 gpm (80 L/min) and withstand pressures up to 5000 psi (350 bar), the CODCXBN is suitable for high-pressure applications. Its design incorporates Sun's floating style construction which minimizes potential internal binding that could result from excessive installation torque or variations in cavity/cartridge machining\u2014enhancing its operational reliability and lifespan. The valve's sealing components are made from Viton, offering excellent resistance to high temperatures and chemical degradation, further ensuring its performance in harsh environments. Installation requires a hex size of 7/8 in. (22,2 mm) and a torque between 30 \u2013 35 lbf\u00b7ft (41 \u2013 47 Nm). The model weighs approximately .30 lb (0.15 kg), making it lightweight yet robust for industrial applications. Additionally, the CODCXBN features minimal leakage characteristics with maximum leakage at just about one drop per minute under standard conditions (110 SUS/24 cSt), which underscores its efficiency in maintaining system integrity and reducing fluid loss. This check valve is an integral component for systems where unidirectional flow and pressure reliability are critical.

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-11A
Series 1
Capacity 20 gpm80 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 7/8 in.22,2 mm
Valve Installation Torque 30 - 35 lbf ft41 - 47 Nm
Model Weight .30 lb0,15 kg
Seal kit - Cartridge Viton: 990-011-006

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