Registration number (WIID)Project No.TitleStatus
10891LVS 423:2002 /A1:2009General requirements for corrosion protection of natural gas underground steel pipelinesStandarts spēkā
59189LVS 420:2021Gas appliances. Conditions for installation of gas appliancesStandarts spēkā
59050LVS EN 12831-3:2017/NA:2020Energy performance of buildings - Method for calculation of the design heat load - Part 3: Domestic hot water systems heat load and characterisation of needs, Module M8-2, M8-3- National AnnexStandarts spēkā
11019LVS EN 12279:2000 /A1:2011 LGas supply systems - Gas pressure regulating installations on service lines - Functional requirementsStandarts spēkā
59361LVS 1074:2022Internal diagnostics of gas transmission pipelines, analysis of diagnostic results and hazard assessment of defectsStandarts spēkā
58823LVS EN 14800Corrugated safety metal hose assemblies for the connection of domestic appliances using gaseous fuelsStandarts spēkā
59188LVS 423:2021General requirements for corrosion protection of natural gas underground stel pipelinesStandarts spēkā
58826LVS EN 331:2018Manually operated ball valves and closed bottom taper plug valves for gas installations for buildingsStandarts spēkā
59022LVS 364:2020Operation, maintenance and repair of natural gas storage in aquafier and transmission pipelines systemStandarts spēkā
59011LVS EN ISO 10077-2:2017/NA:2020Thermal performance of windows, doors and shutters - Calculation of thermal transmittance - Part 2: Numerical method for frames (ISO 10077-2:2017) - National AnnexStandarts spēkā
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