Gas Filter 77: Pipeline, 5, 7-10, 40 & 50µm versions

All gases - see PDF

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Gas filter for filtering out mechanical impurities and condensate in pipelines, filter inserts in bronze (5/50 µm) especially for O2 or in Stainless Steel (7/40 µm), for high flow rates – perfect for lasers!

  • increases service life of downstream fittings and equipment
  • high flow rate – owing to flow – maximising design
  • ¾” BSP F both sides
  • O2 version BAM certified
  • with condensate drain
  • change of filter possible while installed
  • every gas filter 100% tested
  • 72 X 205 mm, approx. 2,8 kg

Item #: 1219
Quantity Available: 100

100 in stock


WITT gas filters for reliable protection against contamination and condensate.


  • ultra-fine filtering out of mechanical impurities through bronze or stainless steel filter inserts
  • broad range of uses – compatible with many technical gases
  • filter inserts in stainless steel with a filtering fineness of 7-10 µm or 40 µm
  • filter inserts in bronze especially for O2 with a filtering fineness of 5 µm or 50 µm, according to EIGA
  • change of filter possible while installed due to user-friendly design
  • high flowrate thanks to flow – maximising design
  • condensate can be collected and removed using condensate drain
  • easy to install thanks to large choice of connections
  • reliable filtering performance increases service life of downstream fittings and equipment
  • meets all the requirements of EIGA Guideline IGC Doc 13/12/E “Oxygen Pipeline and Piping Systems“
  • pre-cleaned to EIGA Guideline IGC Doc 13/12/E, and ready for O2
  • withstands maximum line pressure (40 bar) even if it becomes clogged

Operation / Usage:

  • Particularly well suited for laser systems
  • Gas filter model 77 is designed for installation in pipelines
  • the gas purifiers with condensate drain must be installed vertically


  • the condensate should be drained at regular intervals
  • the filter inserts must be checked regularly and replaced if necessary

Company certified to ISO 9001
CE-marked in accordance with PED 97/23/EC
Cleaned for Oxygen Service according to EIGA IGC Doc 13/12/E: Oxygen Pipeline and Piping Systems


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