Registration number (WIID)Project No.TitleStatus
6933LVS EN 641:2000Reinforced concrete pressure pipes, cylinder type, including joints and fittingsStandarts spēkā
6934LVS EN 642:2000Prestressed concrete pressure pipes, cylinder and non-cylinder type, including joints, fittings and specific requirement for prestressing steel for pipesStandarts spēkā
36433LVS EN 12173:2013Chemicals used for treatment of water intended for human consumption - Sodium fluorideStandarts spēkā
81124prEN 1490Building valves - Combined temperature and pressure relief valves - Tests and requirementsAptauja slēgta
81024prEN 890Chemicals used for treatment of water intended for human consumption - Iron (III) sulfate solutionAptauja slēgta
81542prEN 18268Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Citric AcidAptauja slēgta
78538prEN 806-1Specifications for installations inside buildings conveying water intended for human consumption - Part 1: GeneralAptauja slēgta
81027prEN 889Chemicals used for treatment of water intended for human consumption - Iron (II) sulfateAptauja slēgta
78539prEN 806-2Specification for installations inside buildings conveying water intended for human consumption - Part 2: DesignAptauja slēgta
81025prEN 888Chemicals used for treatment of water intended for human consumption - Iron (III) chlorideAptauja slēgta
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