FS6 & FS6-W Series – High Sensitivity Liquid Flow Switches


Manufacturer: MCDONNELL & MILLER

For heavy duty applications where high sensitivity is required, such as water treatment systems, cooling systems for electronic circuits, compressors, booster pumps, and bearings, and other applications that need instant switching. For applications requiring a water-tight, dust-tight, or a

NEMA 4X rated flow switch, the FS6-W model is available.

  • Specifications
  • In-line configuration eliminates need for a pipe tee
  • Very high flow capacity
  • Actuates at extremely low flow rate
  • ¾” & 1″ NPT process connection – BSPT also available
  • Maximum operating pressure: 100 psi (7 kg/cm2)
  • Sensitivity adjusting screw makes flow adjustment easy
  • Maximum temperature: 225°F (107°C)
  • Minimum temperature: (fluid or ambient) 32°F (0°C)
  • Switch: SPDT 125 VA at 120 or 240vac, 50 or 60 cycles snap switch. Switch compartment is completely sealed to protect it
  • from the liquid