ISO 4064-2:2001被替代
Measurement of water flow in closed conduits - Meters for cold potable water Part 2: Installation requirements and selection
出版：International Organization for Standardization
專家解讀視頻
This part of ISO 4064 specifies criteria for the selection of water meters, associated fittings, installation, special requirements for some meters and the first operation of new or repaired meters to ensure accurate constant measurement and reliable reading of the meter.This part of ISO 4064 deals only with single water meter installations and is also applicable to single meters operating either in parallel or grouped together in one location. It is not applicable to combination meters, for which specifications are given in ISO 7858-1.Where legal national requirements exist, they will in all cases take precedence over the specifications in this part of ISO 4064.ISO 4064-1 deals with terminology, technical and dimensional characteristics, metrological characteristics and pressure loss.ISO 4064-3 deals with test methods and equipment.
