ISO/DIS 4064-1 (2005)被替代
Measurement Of Water Flow In Fully Charged Closed Conduits - Meters For Cold And Hot Potable Water - Part 1: Specifications
出版：International Organization for Standardization
专家解读视频
Specifies terminology, technical characteristics, metrological characteristics and pressure loss requirements for cold potable water and hot water meters. Applies to water meters that can withstand maximum admissible working pressures (MAP) at least 1 MPa (0,6 MPa for meters for use with pipe nominal diameters, DN at least 500 mm) and a maximum admissible temperature, MAT, for cold potable water meters of 30 degree C and for hot water meters up to 180 degree C, depending on class.
JIS B 8570-1:2005 - Identical
