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LOW-ΔP-FLOW
Mass Flow Meters/Controllers for low pressure drop or corrosive gas service

General

For applications with only little differential pressure, Bronkhorst developed the LOW-ΔP-FLOW series mass flow meters and controllers. In these instruments, the flow resistance is minimized by a different sensor and by-pass construction.

lowest range 0,2 ... 10 mln/min
highest range 20 ... 1000 m3n/h

The control of mass flow with small pressure difference comprises the LOW-ΔP-FLOW Mass Flow Controller in compact construction; control valve and flow meter are integrated in one body. The maximum flow in these compact models is 1...50 ln/min Air, depending on the operating conditions. For the control of higher flow rates at very low differential pressures Bronkhorst has devised special control valves with pressure compensation bellows (types F-004AC/F-004AI/F-004BI). These control valves are piped on to the flow meter while the electronic PI-control function is an integral part of the flow meter.

"Multibus" Digital Mass Flow Meters/Controllers

Bronkhorst developed their digital instruments according to the flexible "multibus" concept, due to which the instruments can be equipped with on-board interface board with DeviceNet™, PROFIBUS DP, Modbus RTU/ASCII or FLOW-BUS protocol. More information about digital "multibus" communication.

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  • Features
  • Applications
  • Capacities
  • Documentation

Features

  • Very low pressure drop
  • Longer lifetime when used on corrosive gases
  • Lower contamination risk
  • Easy to clean
  • Electro-polished stainless steel wetted parts
  • Available with control valve to constitute a complete, compact control loop
  • Available with industrial (IP65 weatherproof) housing

Applications

  • Environmental air sampling at atmospheric conditions
  • Leak rate tests
  • Gas consumption measurement, for example of natural gas, in low pressure gas distribution systems
  • Burner control

Flow capacities (based on air)

Mass Flow Meters, standard execution

Ranges

Series F-100D min. 0,2 ... 10 mln/min
max. 0,44 ... 22 mln/min
Series F-101D min. 0,42 ... 21 mln/min
max. 42 ... 2100 mln/min
Series F-101E min. 0,028 ... 1,4 ln/min
max. 0,24 ... 12 ln/min
Series F-102E min. 0,17 ... 8,5 ln/min
max. 1 ... 50 ln/min
Series F-103E min. 0,9 ... 45 ln/min
max. 4 ... 200 ln/min

Mass Flow Meters, industrial execution (IP65)

Ranges

Series F-100DI min. 0,2 ... 10 mln/min
max. 0,44 ... 22 mln/min
Series F-101DI min. 0,42 ... 21 mln/min
max. 42 ... 2100 mln/min 
Series F-101EI min. 0,028 ... 1,4 ln/min
max. 0,24 ... 12 ln/min
Series F-102EI min. 0,17 ... 8,5 ln/min
max. 1 ... 50 ln/min
Series F-103EI min. 0,9 ... 45 ln/min
max. 4 ... 200 ln/min
Series F-106Z/F-107Z min. 0,2 ... 10 m3n/h
max. 20 ... 1000 m3n/h

Mass Flow Controllers, standard execution

Ranges

Series F-200DV min. 0,2 ... 10 mln/min
max. 0,44 ... 22 mln/min
Series F-201DV min. 0,42 ... 21 mln/min
max. 42 ... 2100 mln/min
Series F-201EV min. 0,028 ... 1,4 ln/min
max. 0,24 ... 12 ln/min
Series F-202EV min. 0,17 ... 8,5 ln/min
max. 1 ... 50 ln/min

Typical combinations of Mass Flow Meters with close coupled Control Valves, standard execution

Ranges

F-102E + F- 004AC-LU up to to 1 ... 50 ln/min;
Kv-max. 0,3
F-103E + F- 004BI-IV up to 4 ... 200 ln/min;
Kv-max. 1,0

Mass Flow Controllers, industrial execution (IP65)

Ranges

Series F-200DI min. 0,2 ... 10 mln/min
max. 0,44 ... 22 mln/min
Series F-201DI min. 0,42 ... 21 mln/min
max. 42 ... 2100 mln/min
Series F-201EI min. 0,028 ... 1,4 ln/min
max. 0,24 ... 12 ln/min
Series F-202EI min. 0,17 ... 8,5 ln/min
max. 1 ... 50 ln/min

Typical combinations of Mass Flow Meters with close coupled Control Valves, industrial execution (IP65)

Ranges

F-102EI + F- 004AI-IU up to 1 ... 50 ln/min;
Kv-max. 0,3
F-103EI + F- 004BI-IV up to 4 ... 200 ln/min;
Kv-max. 1,0

Leaflets

For more information see leaflet "LOW-ΔP-FLOW Mass Flow Meters/Controllers"

F-101D Mass Flow Meter F-103D Mass Flow Meter F-201EV Mass Flow Controller Mass Flow Controller voor lage verschildruk - model F-202EF-004AC RegelventielF-101DI IP65 Mass Flow Meter F-102DI IP65 Mass Flow Meter F-103DI IP65 Mass Flow Meter
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