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Home »Methods»Heating, Ventilation, Air Conditioning/VVS»Air valves – drainage systems: Airtightness and flow resistance (NT VVS 093)

Air valves – drainage systems: Airtightness and flow resistance (NT VVS 093)

Posted onMay 18, 1992September 18, 2020Author

  • Report #: NT VVS 093
  • Approved: May 1992
Download pdf Size: 33.85 KB

Abstract

  This Nordtest method may be used for determining the tightness and flow resistance of air valves for gravity drainage systems.  
Categories and tags

CategoriesHeating, Ventilation, Air Conditioning/VVS, MethodsTagsair valves, drainage system, test methods

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