This standard specifies the water efficiency grades, technical requirements and test methods for urinals.
This standard is applicable to the evaluation on water efficiency of urinals (excluding waterless urinals) installed on cold water supply piping in building facilities and used under the static water supply pressure of 0.6 MPa.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 9195 Classification and terms of building and sanitary ceramics
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 9195 and the following apply.
3.1
average water consumption of urinals
water consumption for urinal measured and calculated according to the test method and calculation equation specified in this standard
3.2
minimum allowable values of water efficiency for urinals
the maximum allowable water consumption of the urinals under the test conditions specified in this standard
3.3
evaluating values of water conservation for urinals
the maximum allowable water consumption of water-conservation urinals under the test conditions specified in this standard
