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Home > Sealed External Caged Liquid Level Switches
 Sealed External Caged Liquid Level Switches   Printer Friendly Version
Series 75 external cage type level switches are completely self-contained units designed for side mounting to a tank or vessel with threaded, socket weld or flanged pipe connections. These float-actuated controls have proven their reliability in process control for decades.
Operating Principle Features Industries Options Downloads Approvals
 
The buoyancy force of a process liquid on the float causes the float to ride on the liquid surface. The movement of the float with the liquid level moves an attraction sleeve into the field of the switch magnet, pulling the magnet toward the sleeve and actuating the switch.

 

  • Carbon steel or stainless steel welded float chamber
  • Stainless steel float and trim
  • Service pressures to 2240 psig (154 bar)
  • Process temps. to +1000° F (+538° C)
  • Specific gravity ratings as low as 0.32
  • Switch styles include dry contact, hermetically sealed and pneumatic
   

  • Interface calibration
  • Extreme temperature modifications
  • Customized installation dimensions
  • Customized exterior surface preparation and finish
  • Customized actuation levels
  • Vent and drain connections
 
 Literature: (US English)
  Electric Switch Manual
  J Series Pneumatic Switch
  Series K Pneumatic Switch
  Hermetically Sealed Switches
  Sales Literature
  Instruction Manual
  R Series High Temp Switch
  Technology Brochure
  Test Report FMEDA Float Switches
  SIL Brochure

  
  • XP   

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  • XP   

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  • ELV   
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  • XP   

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  • YES   
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    XP = Explosion Proof  •  IS = Intrinsically Safe  •  NI = Non-Incendive  •  NS = Non-Sparking  •  ELV = EMC/Low Voltage