Registration number (WIID)Project No.TitleStatus
11217LVS EN 12098-1:1996Control for heating systems - Part 1: Outside temperature compensated control equipment for hot water heating systemsAtcelts
11220LVS EN 253:1994Preinsulated bonded pipe systems for underground hot water networks - Pipe assemblies for steel service pipes, polyurethane thermal insulation and outer casing of polyethyleneAtcelts
11221LVS EN 448:1994Preinsulated bonded pipe systems for underground hot water networks - Fitting assemblies of steel service pipes, polyurethane thermal insulation and polyethylene outer casingAtcelts
11231LVS EN 488:1994Preinsulated bonded piping systems for undergeound district hot water systems - Steel valve assemblies for steel service pipes, polyurethane thermal insulation and outer casing of polyethyleneAtcelts
11576LVS 420:2010Gas appliances. Conditions for installation of gas appliancesAtcelts
11584LVS EN 598:2001Ductile iron pipes, fittings, accessories and their joints for sewerage application - Requirements and test methodsAtcelts
11802LVS EN 12055:2003 LLiquid chilling packages and heat pumps with electrically driven compressors - Cooling mode - Definitions, testing and requirementsAtcelts
11413LVS EN 1776:2000Gas supply systems - Natural gas measuring stations - Functional requirementsAtcelts
11392LVS EN 437:1993 +A1:1997Test gases - Test pressures - Appliance catergoriesAtcelts
11764LVS ISO 4226:2003Air quality - General aspects - Units of measurementAtcelts
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