Registration number (WIID)Project No.TitleStatus
6934EN 642:1994Prestressed concrete pressure pipes, cylinder and non-cylinder, including joints, fittings and specific requirements for prestressing steel for pipesIzstrādē
6933EN 641:1994Reinforced concrete pressure pipes, cylinder type, including joints and fittingsIzstrādē
6933LVS EN 641:2000Reinforced concrete pressure pipes, cylinder type, including joints and fittingsStandarts spēkā
6932LVS EN 640:2000Reinforced concrete pressure pipes and distributed reinforcement concrete pressure pipes (non-cylinder type), including joints and fittingStandarts spēkā
6932EN 640:1994Reinforced concrete pressure pipes and distributed reinforcement concrete pressure pipes (non-cylinder type), including joints and fittingsIzstrādē
6931EN 639:1994Common requirements for concrete pressure pipes including joints and fittingsIzstrādē
6931LVS EN 639:2000Common requirements for concrete pressure pipes including joints and fittingsStandarts spēkā
6929LVS EN 1717:2002Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflowStandarts spēkā
6929EN 1717:2000Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflowIzstrādē
6926EN 1420-1:1999Influence of organic materials on water intended for human consumption - Determination of odour and flavour assessment of water in piping systems - Part 1: Test methodAtcelts
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