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IN-LINE filters

General

Inherent to its construction, a thermal mass flow meter or controller for gases is sensitive to contamination. To increase the MTBF (Mean Time Between Failure) it is important to make sure that the gas entering the instrument is clean. The IN-LINE Filter Assembly, screwed into the inlet of the instrument, provides this service. It contains a 316L sintered metal filter cartridge that is suitable for general purpose filtration and can be cleaned with a suitable solvent. If the gas contains a large particulate content, we advise the use of a pre-filter.

Selection

  • Choose a low-flow or medium-flow style filter for instruments with ¼” female thread at the inlet; the high-flow filter is suitable for mounting into instruments with ½” female thread; the ultra-low-flow filters have 1/8" connections.
  • In principle select finest porosity with low ΔP; preferably ΔP not higher than 250 to 500 mbar, and porosity not bigger than 5 μm. The ΔP across the IN-LINE filter can be calculated with the help of our online calculation tool FLUIDAT on the Net.

  • Available models
  • Documentation

Available models

Uitvoering

Model nr.

Gemiddelde porositeit (µm)

Aansluitingen in/uit

Pressure rating

ultra-low-flow M-410-13 0.5

I

1/8"female 100 bar

O

1/8"male
  M-410-16  2

I

1/8"female 100 bar

O

1/8"male
  M-410-18  7

I

1/8"female 100 bar

O

1/8"male
  M-410-20  15

I

1/8"female 100 bar

O

1/8"male

Uitvoering

Model nr.

Gemiddelde porositeit (µm)

Aansluitingen in/uit

Pressure rating

low-flow M-411-13 0.5 

I

1/4"female 100 bar

O

1/4"male
  M-411-16

I

1/4"female   100 bar

O

1/4"male
  M-411-18

I

1/4"female 100 bar

O

1/4"male
  M-411-20 15 

I

1/4"female 100 bar

O

1/4"male

Uitvoering

Model nr.

Gemiddelde porositeit (µm)

Aansluitingen in/uit

Pressure rating

medium-flow M-422-16

I

1/4"female 200 bar

O

1/4"male
  M-422-17

I

1/4"female 200 bar

O

1/4"male
  M-422-19 10

I

1/4"female 200 bar

O

1/4"male
  M-422-21 20

I

1/4"female 200 bar

O

1/4"male

Uitvoering

Model nr.

Gemiddelde porositeit (µm)

Aansluitingen in/uit

Pressure rating

high-flow M-423-16

I

1/2"female 200 bar

O

1/2"male
  M-423-17 5

I

1/2"female 200 bar

O

1/2"male
  M-423-19 10

I

1/2"female 200 bar

O

1/2"male
  M-423-21 20

I

1/2"female 200 bar

O

1/2"male
  M-423-33 40 

I

1/2"female 200 bar

O

1/2"male

Leaflet

For more information see leaflet "IN-LINE filters"

IN-LINE Filter groepEL-FLOW model met IN-LINE filterIN-FLOW model met IN-LINE filter
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