This standard specifies terms and definitions, product classification and mark, general technical requirements, technical requirements for pan and urinal, technical requirements for washing basin, bidet and washing tank, test methods, inspection rules, marking and identification, installation and operation instruction as well as packaging, transport and storage of sanitary wares.
This standard is applicable to production, sale, installation and application of various sanitary wares installed on water supply and drainage pipes after matching with corresponding accessories in civil or public buildings.
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 2828.1 Sampling Procedures for Inspection by Attributes - Part 1: Sampling Schemes Indexed by Acceptance Quality Limit (AQL) for Lot-by-lot Inspection
GB/T 3768 Acoustics - Determination of Sound Power Levels of Noise Sources Using Sound Pressure - Survey Method Using an Enveloping Measurement Surface Over a Reflecting Plane
GB/T 9195 Classification and Terms of Building and Sanitary Ceramics
GB 20810 Bathroom Tissue (Including Bathroom Tissue Base Paper)
GB/T 23131 Electronical Toilets
GB/T 23448 Flexible Hose for Sanitary Tapware
GB 26730-2011 Sanitary Ware - Gravity Water Flushing Devices and Supports
GB/T 26750 Sanitary Ware - Pressure Assistant Water Flushing Devices
JC/T 694 Packaging for Sanitary Wares
JC/T 764 WC Seats
JC/T 932 Drainage Fittings for Sanitary Wares
JG/T 285 Douche to Wash Anus
3 Terms and Definitions
For the purposes of this document, the terms and definitions given in GB/T 9195 and GB 26730-2011 and the following apply. For the convenience of application, some terms and definitions specified in GB 26730-2011 are re-listed below.
3.1
glaze bubble
open or closed bubble on the glaze surface
3.2
pin hole
small hole penetrating the glaze surface
3.3
pin prick
small hole in needle shape on the glaze surface
3.4
speck
heterochrome stain on the product surface
3.5
color spot
blocky heterochrome spot on the product surface
3.6
discoloration
heterochrome spot on the product surface which shall not exist
3.7
static pressure
stable pressure value in water supply pipe when inlet valve is completely closed
