IN-FLOW High-Flow Mass Flow Meters / Controllers for Gases

IN-FLOW High-Flow Mass Flow Meters / Controllers for Gases

Product Overview

  • High accuracy (standard 1% of FS)
  • Rugged, weatherproof housing (IP65, dust and waterproof)
  • Option: ATEX approval for Zone 2
  • Option: FM approval Class I, Div. 2 (Groups A, B, C, D; T4)
  • Option: KCs certificate (Protection Ex nA IIC T4)
  • No moving parts
  • Analog or digital communication (RS232 or Fieldbus interface)


Pipe sizes up to 10 inches / DN 250

IN-FLOW Series Thermal Mass Flow Meters for high flow rates of clean gases are equipped with a ‘industrial style’ pc-board housing offering IP65 protection. Control valves can either be integrally or separately mounted, to measure and control gas flows.

  • Lowest range 0,4…20 m3n/h
  • Highest range 220…11000 m3n/h


IN-FLOW Series Thermal Mass Flow Meters and Controllers for high flow rates are applied for:

  • Process gas measurement and control in the food industry, chemical and petrochemical industries, in fermentation installations and in biotechnology
  • Gas consumption measurement for internal accounting
  • Hydrogen techniques

Compact and competitive Mass Flow Meters for high gas flow rates

For consumption measurement of high gas flow rates, customers often select volumetric flow meters e.g. Vortex flow meters, turbine flow meters or instruments based on the measurement of differential pressure. To read mass flow, all these measurement principles require temperature and pressure compensation. Bronkhorst Series F-106 / F-107 directly measure high mass flow rates of gases up to a pipe size of 10 inch / DN 250. Furthermore, their digital pc-board offers counter and alarm functions as a standard feature, as well as the option to integrate an on-board interface board for CANopen®, DeviceNet™, PROFIBUS DP, PROFINET, Modbus RTU/ASCII or FLOW-BUS communication.
Mass Flow Controllers for high gas flow rates

IN-FLOW ‘High-Flow’ models F-206AI / F-206BI are compact Mass Flow Controllers with integrated, normally closed control valves with up to Kv-values of 6.0 and flow rates up to approx. 375 m3n/h N2-equivalent. For higher flow ranges Bronkhorst can offer IN-FLOW ‘High-Flow’ flow meters combined with separate control valves from other manufacturers.