This standard specifies the water efficiency grades, technical requirements and test method for showers.
This standard is applicable to the water efficiency evaluation for showers (including shower heads or shower combination) used in lavatory (toilet, bathroom), shower room and other sanitary facilities installed at the end of cold and hot water supply pipelines in buildings with nominal pressure (static pressure) not higher than 1.0 MPa and medium with a temperature range of 4 ℃ to 90 ℃.
This standard is not applicable to the showers with heating devices and thermostatic shower.
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