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LIQUI-FLOW™ series L10I / L20I industrial style
Liquid Mass Flow Meters / Controllers

General

The LIQUI-FLOW™ series L10I/L20I digital Liquid Flow Meters / Controllers for low flow ranges are equipped with a rugged 'industrial style' (IP65) pc-board housing for use in industrial environments. The instruments operate on a thermal, thru-flow measuring principle. The flow meter can be connected to a control valve to form a closed control loop. The standard direct acting valve (model C2I) is normally closed, has a pressure capability of 100 bar (1500 psi) and a purge connection for easy elimination of air or gas.

  • Lowest range 0,25 ... 5 g/h
  • Highest range 20 ... 1000 g/h
    for fluids with thermal properties similar to H2O

"Multibus" digital communication

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 or FLOW-BUS protocol.
More information about digital "multibus" communication.

  • Features
  • Applications
  • Capacities
  • Documentation

Features

  • Fast and accurate measurement
  • No moving parts
  • Suitable for liquids with low boiling point
  • Attitude insensitive
  • Very small internal volume
  • In combination with a control valve: continuous and stable control
  • Classification IP65

Applications

  • (Petro-)chemical installations
  • Pharmaceutical industry
  • Food industry (flavors, additives)
  • Biotechnical industry

Flow capacities (based on H2O equivalent)

Liquid Flow Meter Ranges
Series L13I min. 0,25 ... 5 g/h
max. 5 ... 100 g/h
Series L23I min. 2 ... 100 g/h
max. 20 ... 1000 g/h
Liquid Flow Controller Ranges
Series L13I + C2I
(IP65 control valve)

min. 0,25 ... 5 g/h
max. 5 ... 100 g/h

Series L23I + C2I
(IP65 control valve)
min. 2 ... 100 g/h
max. 20 ... 1000 g/h

Leaflet

For more information see leaflet "LIQUI-FLOW series L10/L20"

L23I IP65 Liquid Flow MeterIP65 Liquid flow controller
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