Flomotion Pressure Gauge / Isolator

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Sigmamotor pressure gauge isolators allow standard pressure gauges to be used in corrosive services. The upper section (gauge side) is filled with glycerine. A diaphragm separates the glycerin from the lower section which connects to the pressure source. A 1/2" FNPT port is provided for connection to the pressure source.


  • CNC precision machined parts.
  • Cost effective and reliable.
  • 2.5" Dial.
  • Pressure ranges: 0-60PSI, 0-100PSI and 0-160PSI.
  • Pre-filled with glycerin between gauge and diaphragm.

Pressure Gauge/Isolator Datasheet