Orion Instruments FC/FM models – flameproof pressure switches, vacuum switches & differential pressure switches

Product description

This extensive range of flameproof switches includes pressure switches, vacuum switches, pressure differential switches and compound switches. They are designed for gas groups IIA, IIB and IIC are suitable for a wide range of industries and applications including underground mines.

Operating Pressure Ranges:

  • Pressure Switches: 1.5 to 250 mbar to 3 to 350 bar
  • Vacuum Switches: 760 to 100 mmHG
  • Pressure Differential Switches: 1.5 to 250 mbar to 0.067 to 25 bar
  • Compound Switches: -1 to 3.6 bar


  • From 1% to 2% FS


  • Wetted parts – depends on range
  • Housing – aluminium or grey cast iron


  • SPDT micro switch standard, gold contacts, hermetically sealed etc also available

Call us on 01895 200015 for price & delivery or to discuss special versions

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