Registration number (WIID)Project No.TitleStatus
12263LVS 459:2014/A1:2015Combustible gases. Gas properties, parameters, quality assessmentAtcelts
59028LVS EN 16798-3:2018/NA:2020Energy performance of buildings - Ventilation for buildings - Part 3: For non-residential buildings - Performance requirements for ventilation and room-conditioning systems (Modules M5-1, M5-4). National AnnexAtcelts
59060LVS EN 15316-5:2017/NA:2020Energy performance of buildings - Method for calculation of system energy requirements and system efficiencies - Part 5: Space heating and DHW storage systems (not cooling), Module M3-7, M8-7 - National AnnexAtcelts
10438LVS EN 12007-1:2000Gas supply systems - Pipelines for maximum operating pressure up to and indcluding 16 bar - Part 1: General functional recomendationsAtcelts
11764LVS ISO 4226:2003Air quality - General aspects - Units of measurementAtcelts
58827LVS EN 334+A1:2018Gas pressure regulators for inlet pressures up to 100 barAtcelts
10112LVS 417:2011Gas distribution and Customer systems - External gas pipelines - DesignAtcelts
58749LVS 459:2017Combustible gases. Gas properties, parameters, quality assessmentAtcelts
10195LVS EN 1254-2:2011 LCopper and copper alloys – Plumbing fittings – Part 2: Fittings with compression ends for use with copper tubesAtcelts
58740LVS EN 16726:2016Gas infrastructure - Quality of gas - Group HAtcelts
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