Liquid Level Switches
Liquid Level Switches



  • Clean magnet Design virtually eliminates iron filing accumulation onto the magnet
  • Seal-Free construction
  • ANSI/ISA 12.27.01 compliant (Single Seal)
  • Operates in 0.50 specific gravity or heavier fluids
  • Designed for harsh gas compressor scrubber applications
  • 304 cast equivalent SS body and 304 SS float
  • Rated for 2000 psi (13.8 MPa) [138 bar] working pressure
  • Trip on rising and falling without need to rotate body
  • Electric model only available
  • All models screw directly into the scrubber or can be mounted via a Murphy external float chamber
  • CSA C/US Class I, Div. 1, Grp. B, C & D locations
  • NACE MR0175 compliant
  • Canadian Registration Number 0F01476.2


MLS Series Liquid Level Switches are float activated to operate an electrical SPDT reed switch for annunciation/pilot signal for indication of high level to an annunciator, controller or PLC. The MLS connects directly into the gas scrubber wall and can be used with a Murphy weld collar or Murphy external float chamber. The MLS Series is available in a 2”NPT model.

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