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Murphy MLS Series Liquid Level Switch MLS-020

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Murphy MLS Series Liquid Level Switch 2 in. NPT - MLS-020

Product Condition: NEW
Murphy Liquid Level Switch 2" NPT Trips on Rising and Falling MLS-020
Estimated ship date: for orders by 3pm PT/6pm ET today Available for back order.

SSL Cerficate

The Murphy Liquid Level Switch 2" NPT MLS-020 is 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.



  • 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
  • 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
  • Canadian Registered 0F01476.2



  • Part No.: MLS-020
  • Process Connection: 2” NPT
  • Fluid Density (SG): 0.50 MIN (no extension); 0.65 MIN (1 inch extension)
  • Pressure Rating: 2000 psig (13.8 MPa) [138 bar]
  • Body Material: ASTM A351 CF8 (304 SS)
  • Cover Material: ASTM A351 CF8 (304 SS)
  • Other Wetted Parts: 303, 304 or 316 SS
  • Process Temperature: -20 to 300oF (-29 to 149oC)
  • Electrical: 30VAC/VDC 75mA Form C SPDT (Conductor cross section AWG/kcmil min.: 26 • Conductor cross section AWG/kcmil max.: 16)
  • Canadian Registration Number: 0F01476.2
  • Shipping Weight: 5.5 lbs. (2.49 kg)
  • Dimensions: 14 x 5 x 3.5 in (356 x 127 x 89 mm)

Additional Information

Product Condition NEW
upc No

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