Marsh Bellofram

High-Performance Process Control Instrumentation

About Marsh Bellofram

Headquartered in Newell, West Virginia, USA, The Bellofram Group of Companies is an AS9100C and ISO9001:2008 certified leading global manufacturer of high-performance OEM, industrial, and process control instrumentation. Each division is staffed with experienced and highly trained technical sales, applications engineering, and customer service support personnel.

Product Divisions

  • Automatic Timing & Controls
  • ATC Diversified Electronics
  • BelGAS
  • Bellofram Diaphragms
  • Bellofram Precision Controls
  • Bellofram Silicones
  • King Engineering
  • Marsh Instruments
  • ServoTek Products
Marsh Bellofram Products

Product Categories

Compressed Air Regulators

Air Regulators

Modular design compressed air regulators with output pressure ranges of 0-30, 0-60, and 0-120 psi. Available in NPT pipe sizes of 3/8", 1/2", 3/4" and 1", with 145 psi maximum supply pressure.

  • 5 or 50 micron filters
  • Multiple drain options
  • User-friendly maintenance
I/P Transducers

Current to Pressure Transducers

High-precision voltage-to-pressure (E/P), current-to-pressure (I/P), and pressure-to-current (P/I) transducers for industrial and OEM applications.

  • Reliable performance
  • Precise control
  • Harsh environment operation
Electronic Pressure Transducers

Electronic Pressure Transducers

Electro-pneumatic transducers for converting current or voltage input signals to proportional output pressures in process control applications.

  • Process control integration
  • Valve automation
  • Flow regulation
Pressure Gauges

Pressure Gauges

Comprehensive line of high-quality pressure gauges and thermometers for applications requiring accuracy, dependability, and durability.

  • Standard and custom designs
  • Rugged construction
  • Precision measurement
Air/Process Gas Pressure Regulators

Air / Process Gas Pressure Regulators

Direct-acting, high-performance pressure regulators offering precision control, high-accuracy, and maximum stability for OEM and industrial applications.

  • Precision control
  • High accuracy
  • Large flow capabilities

Additional Products

Timers & Counters

Precision timing and counting solutions for industrial applications

Digital Controllers

Advanced control solutions for process automation

Temperature Sensors

RTDs and thermocouples for accurate temperature measurement

Contact Us About Marsh Bellofram Products

Need assistance with Marsh Bellofram product selection? Our team is ready to help with technical support, specifications, and application guidance.