Marsh Bellofram

Marsh Bellofram is a certified global manufacturer of high-performance pressure instruments, controls, and specialty components.


Headquartered in Newell, West Virginia (USA), The Marsh Bellofram Group of Companies is an AS9100D and ISO9001:2015 certified global manufacturer. They are a leading supplier of high-performance equipment to the OEM, industrial, and process control instrumentation markets.

Key Product Offerings

Marsh Bellofram manufactures an extensive range of equipment sold under dedicated divisions, including:

  • Transducers: I/S and Explosion Proof I/P and E/P (Current-to-Pressure and Electric-to-Pressure) Transducers.
  • Pressure Management: Precision Pressure Regulators (Air, Natural Gas, Propane) and Pressure Gauges.
  • Actuation: Single and Double Acting Diaphragm Cylinders.
  • Specialty Components: Industrial Diaphragms and Specialty Silicones.
  • Instrumentation: Digital Controllers, Timers/Counters, Panel Meters, RTDs, and Thermocouples.

Dedicated Divisions

Products are organised and sold under dedicated divisions, each staffed with highly trained technical sales, applications engineering, and support personnel. Key divisions include:

  • Bellofram Precision Controls Division and Bellofram Diaphragms
  • BelGAS (Regulators)
  • Marsh Instruments (Gauges)
  • King Engineering (Level Systems)
  • ServoTek Products (Tachometers, Encoders)

This structure ensures specialised focus and local support for a vast range of industrial needs.

Marsh Bellofram

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