M-61-F Series Fixed Set Point Flow Switches

M-61-F Series Fixed Set Point Flow Switches

Number: M-61-F


2 - 1/4" flare
3 - 3/8" flare

1 - SPST N.O
2 - SPST N.C
3 - SPDT

Standard (vertical)

PTFE Encapsulated


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Product description

M-61-F Series Fixed Set Point Flow Switches

The operating principle is based on a free floating magnetic piston which responds only to the motion of fluids within the line, not to static or system pressures. In the presence of fluid flow, controlled movement of the piston actuates an external hermetically sealed reed switch. This switch can be used to actuate audible or visual alarms, as well as relays, or other controls.

  • For corrosive and non-corrosive gases or liquids
  • Senses increasing or decreasing flow
  • Very accurate custom flow settings
  • Hermetically sealed
  • All-PFA molded body with PTFE piston

  • Sample flow monitoring
  • Alarm actuation
  • Purge flows
  • Loss of flow protection
  • Semiconductor etch tools
  • Laser cooling equipment