Registration number (WIID)Project No.TitleStatus
11035LVS 445:2003 /A1:2004Operation and Maintenance of natural gas distribution and Consumer supply systems with max. operation pressure 1,6 MPa (16 bar)Atcelts
11139LVS EN 1264-1:1997Floor heating - Systems and components - Part 1: Definitions and symbolsAtcelts
11157LVS EN 1434-6:1997Heats meters - Part 6: Installation, commissioning, operational monitoring and maintenanceAtcelts
11158LVS EN 489:1994Preinsulated bonded pipe systems for underground hot water networks - Joint assemblies for steel service pipes with polyurethane thermal insulation and polyethylene outer casingAtcelts
11213LVS EN 1775:1998Gas supply - Gas pipework for building - Maximum operating pressure < 5 bar - Functional recommendationsAtcelts
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
11392LVS EN 437:1993 +A1:1997Test gases - Test pressures - Appliance catergoriesAtcelts
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