
Measurement of water flow in closed conduits - Combination meters for cold potable water Part 2: Installation requirements
出版:International Organization for Standardization

专家解读视频
Gives the criteria for the selection of combination meters for cold water and their associated fittings, for the installation and first operation of new or repaired meters, for the purpose of ensuring accurate and constant measurement as well as reliable reading of the meters.
NBN ISO 7858 2 : 1990 - Identical
NEN ISO 7858-2 : 2000 - Identical
BS ISO 7858-2 : 2000 - Identical
NF ISO 7858-2 : 1988 - Identical
BS 5728-5(1988) : 1988 - Identical
NF ISO 7858-2 : 1988 - Identical
NEN ISO 7858-2 : 2000 - Identical
BS 5728-5(1988) : 1988 - Identical
BS ISO 7858-2 : 2000 - Identical
NBN ISO 7858 2 : 1990 - Identical
KS B ISO 7858-2:2004 - Identical
KS B ISO 7858-2:2015 - Identical
BS ISO 7858-2:2000 - Identical
NBN ISO 7858 2:1990 - Identical
NF ISO 7858-2:1988 - Identical
BS 5728-5:1988 - Identical
NEN ISO 7858-2:2000 - Identical