Pressure Measurement

Differential Pressure Gauge – Midwest 120 Series

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Differential pressure is sensed by the movement of a floating piston magnet against a calibrated spring. The gauge pointer, outside the pressure housing, follows the movement of the piston magnet and indicates differential pressure.

  • Simple, rugged, compact design.
  • More cost effective and more accurate than using two pressure gauges in monitoring differential pressure.
  • Weather-resistant construction standard.
  • Shatter resistant lens.
  • Midwest differential pressure gauge can use in measuring the pressure drop across filters, strainers, separators, valves, pumps, chillers, etc., and for local flow indication and control.

Technical Details

Accuracy+/- 2% F.S Ascending (Aluminum & SS material)
+/- 5% F.S Ascending (Monel & Aluminum bronze material)
Working Pressure6000 P.S.I.G (Aluminum & SS material)
5000 P.S.I.G (Monel & Aluminum bronze material)
MaterialAluminum (SS piston), SS316 (SS piston), Monel and Aluminum bronze body
Dial Size2 ½” & 4 ½” Round Uni-Directional,
3 ½” Round Uni-Directional anod. Aluminum housing assembly
4 ½” Round Uni-Directional anod. Aluminum housing assembly
SealsBuna-N, Viton, Neoprene, Teflon, Ethylene Propylene or Perfluoroelastomer
Connection1/4″ FNPT Back Connections (Standard)
1/4″ FNPT End Connections
1/4″ FNPT Bottom Connections
1/2″ FNPT End Connections
7/16″ – 20 Str.Thd.O-Ring Port (Back Connections)
1/2″ FNPT Stainless Steel Adaptors (back or bottom only)