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HIGH PRESSURE / High ΔP
Digital GAS Mass Flow Meters & Controllers

General

For applications with high (differential) pressure Bronkhorst offers a special range of EL-FLOW® and IN-FLOW Series Thermal Mass Flow Meters and Controllers. Patented PN400/PN700 control valves can either be integrally or separately mounted, to measure and control gas flows from:

Meters: from 0,2...10 mln/min up to 10...500 m3n/h
Controllers: from 0,2...10 mln/min up to 2...100 ln/min

"Multibus" Digital Mass Flow Meters/Controllers

In some applications there are more requirements for a modern instrument than analog-based technology can offer. Examples of these requirements are self-diagnostics, alarm and counter functions, digital communication and remotely adjustable control settings. These requirements can only be met with a digital based instrument. Therefore Bronkhorst developed a fieldbus based pc-board for their mass flow metering and control solutions. The latest digital instruments offer great flexibility thanks to the "multibus" concept, thanks 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.

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  • Features
  • Applications
  • Capacities
  • Documentation

Features

  • High accuracy  (standard: ±0,5% Rd + ±0,1% FS)
  • Pressure ratings up to 200, 400 or 700 bar
  • Rugged construction of IN-FLOW housing and coils: protection IP65
  • IN-FLOW style only: Safety in compliance with IEC 61010-1 
  • Option: ATEX Cat.3 approval for Zone 2; for "Ex-Proof" ATEX Cat.2, Zone 1 up to 400 bar, see EX-FLOW Series
  • Compact, modular construction
  • No moving parts

Applications

  • Gas flow monitoring in food, chemical and petrochemical industries
  • Gas consumption measurement in gas distribution systems for internal accounting purposes
  • Detection of gas leakage through objects
  • Hydrogenation processes
  • Feeding of reactors and autoclaves

Flow capacities (based on air)

Mass Flow Meters (MFM)

PN200

PN400

PN700

Ranges

EL-FLOW F-120M
IN-FLOW F-120MI

EL-FLOW F-130M
IN-FLOW F-130MI

 

min. 0,2 ... 10 mln/min
max. 0,3 ... 15 mln/min

EL-FLOW F-121M
IN-FLOW F-121MI

EL-FLOW F-131M
IN-FLOW F-131MI

 

min. 0,3 ... 15 mln/min
max. 0,4 ... 20 ln/min

   

IN -FLOW F-141MI 

min. 0,3 ... 15 mln/min
max. 2 ... 100 ln/min

EL-FLOW F-122M
IN-FLOW F-122MI

EL-FLOW F-132M
IN-FLOW F-132MI

 

min. 0,2 ... 10 ln/min
max. 6 ... 250 ln/min

   

IN -FLOW F-142MI

min. 2 ... 100 ln/min
max. 6 ... 250 ln/min

EL-FLOW F-123M
IN-FLOW F-123MI

EL-FLOW F-133M
IN-FLOW F-133MI

IN -FLOW F-143MI

min. 5 ... 250 ln/min
max. 25 ... 1250 ln/min

IN-FLOW F-126AI

IN-FLOW F-136AI 

 

min. 0,3 ... 15 m3n/h
max. 4 ... 200 m3n/h

IN-FLOW F-126BI

IN-FLOW F-136BI

 

min. 4 ... 200 m3n/h
max. 10 ... 500 m3n/h

High Pressure Mass Flow Meters ( Series F-12x / F-13x / F-14x ) up to 100 ln/min can be close-coupled with Control Valves ( Series F-021 / F-033 / F-043 ) to constitute a compact mass flow control assembly. Alternatively, the following models are available with integrated Control Valve:

Mass Flow Controllers (MFC)

PN200  

Ranges 

EL-FLOW F-220M
 

min. 0,2 ... 10 mln/min
max. 0,3 ... 15 mln/min

EL-FLOW F-221M
IN-FLOW F-221MI
 

min. 0,3 ... 15 mln/min
max. 0,4 ... 20 ln/min

PN400

 PN700

Ranges

EL-FLOW F-230M
IN-FLOW F-230MI

IN-FLOW F-240MI

min. 0,2 ... 10 mln/min
max. 10 ... 500 mln/min

EL-FLOW F-231M
IN-FLOW F-231MI

IN-FLOW F-241MI

min. 6 ... 300 mln/min
max. 0,2 ... 10 ln/min

EL-FLOW F-232M
IN-FLOW F-232MI

IN-FLOW F-242MI

min. 0,14 ... 7 ln/min
max. 2 ... 100 ln/min

For higher flow rates at high (differential) pressure please contact factory to discuss our special solutions.

EL-FLOW model F-230M, 400 bar rated MFCIN-FLOW model F-240MI, 700 bar rated MFC 
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