Marsh Process Gauges

With over 125 years of proven experience, Marsh offers the most complete line of process gauge instrumentation in the industry. An extensive list of designs and options makes them the intelligent and practical choice for process instrumentation.



  • Dial sizes of 4-1/2″ and 6″
  • Four safe case solid front designs
  • Pressure ranges from vacuum to 20,000 psi
  • Dry or liquid filled
  • Micrometer pointer



  • Compressors Chemical and petroleum processes
  • Power plants
  • Oil platforms