Differential Pressure Gauge – Midwest 120 Series



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 Pressure 6000 P.S.I.G (Aluminum & SS material)
5000 P.S.I.G (Monel & Aluminum bronze material)
Material Aluminum (SS piston), SS316 (SS piston), Monel and Aluminum bronze body
Dial Size 2 ½” & 4 ½” Round Uni-Directional,
3 ½” Round Uni-Directional anod. Aluminum housing assembly
4 ½” Round Uni-Directional anod. Aluminum housing assembly
Seals Buna-N, Viton, Neoprene, Teflon, Ethylene Propylene or Perfluoroelastomer
Connection 1/4" 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)

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