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HARRIS Gas Switchover System

Harris gas switchover systems protect research systems, process analysers, gas chromatography and emission monitoring systems from contamination.

Filter
HARRIS KH2000A
HARRIS KH2002B
StyleModelCga Connection InletCylinder GasGas ServiceInlet ConnectionPrice
A
KH2000		320CO2Carbon DioxideCGA-320£2,194.21
B
KH2002		350H2HydrogenCGA-350£2,123.80
B
KH2003		540O2OxygenCGA-540£2,138.14
B
KH2004		580Ar/N2/HeArgon, Helium, NitrogenCGA-580£2,190.75

Working Mechanism

  • Each gas source has a pressure regulator that reduces the pressure of the gas to a safe and usable level.
  • The switchover manifold consists of a set of valves and sensors that control the flow of gas from the sources to the application.
  • Pressure sensors are installed in the system to monitor the pressure of the gas in each source and the manifold.
  • When the gas pressure in the primary source drops below a certain level, the system's pressure sensors will detect the pressure drop.
  • The system's control logic will then automatically switch the valves to allow gas flow from the secondary source.
  • Once the secondary source is activated, the pressure sensors will continue to monitor the gas pressure from both sources.
  • When the pressure in the primary source restores, the system will automatically switch back to the primary source.

Features

  • Harris gas switchover systems allow operators to switch from a primary cylinder to a backup without ceasing operation or gas flow.
  • Their diaphragm eliminates contamination from out-gassing or diffusion.
  • These gas switchover systems feature brass bodies covered with chrome plating for corrosion resistance.

Frequently Asked Questions

How to maintain gas switchover systems?

Check the system for leaks, replace worn-out parts, clean filters, calibrate pressure sensors and test the system's functionality.

How can I ensure that my gas switchover system is safe to use?

Inspect the system regularly for leaks, ensure that the system is properly grounded & installed in a well-ventilated area and make sure that the system is serviced & maintained by qualified personnel.

How do I choose the right gas switchover system for my application?

Consider factors like the type of gas being used, the required flow rate & pressure range and the number of gas sources.

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