Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
For this standard, 5.7, 5.8.1.1, 5.8.1.4, 5.8.1.5, 6.1.4, 6.2.1.3, 6.2.2.5 and 10.1.3 are compulsory, and the rest are recommendatory.
This standard is developed in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB 6952-2005 Sanitary Wares; the following technical changes have been made with respect to GB 6952-2005 (the previous edition):
——The product classification is modified (see 4.1, Chapter 4 of Edition 2005);
——The requirements for product mark are added (see 4.2);
——The requirements on individual mass of lightweight product are added (see 5.6);
——The load resistance of bidet is added [see 5.7 a)];
——The water consumption of pan and urinal is modified (see 6.2.1; 6.1.1 of Edition 2005);
——The ball emission requirements are modified (see 6.2.2.3.1; 6.1.2.2.1 of Edition 2005);
——The mixed media emission test for water saving pedestal pan is added (see 6.2.2.3.3);
——The mixed media emission test for pedestal pan used for infants is added (see 6.2.2.3.3);
——The pipeline transportation characteristic test for ordinary pedestal pan is added (see 6.2.2.4);
——The sewage substitution dilution rate with semi-flushing water of double-flushing pedestal pan is modified (see 6.2.2.6; 6.1.2.3 of Edition 2005);
——The bathroom tissue test with semi-flushing water for double-flushing pedestal pan is added (see 6.2.2.7);
——The dredging machine test is added (see 6.5);
——The measurement method for water consumption of double-flushing pan and urinal is modified (see 8.8.3; 8.6.2 of Edition 2005);
——The antisplash performance of pedestal pan is cancelled (see 6.1.4.3 of Edition 2005).
This standard was proposed by China Building Materials Federation.
This standard is under the jurisdiction of SAC/TC 249 National Technical Committee on Architecture and Sanitary Ceramics of Standardization Administration of China.
The previous editions of this standard are:
——GB 6952-1986, GB 6953-1986, GB/T 6952-1999 and GB 6952-2005.
Sanitary Wares
1 Scope
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
[3.10 Definition, GB 26730-2011]
3.8
dynamic pressure
stable pressure value in pipe before the inlet valve when it is completely opened
[3.10 Definition, GB 26730-2011]
3.9
working water level; WL
height of water level in cistern when the requirements of normal flushing process are met
[3.12 Definition, GB 26730-2011]
3.10
overflow level; OL
height of water level when the water in the cistern is about to overflow from the overflow port
[3.13 Definition, GB 26730-2011]
3.11
spill level; SL
the maximum water level reached when the water in cistern has already flowed out, with dynamic pressure of 0.5 MPa, inlet valve completely opened and drain valve completely closed
[3.14 Definition, GB 26730-2011]
3.12
none-sealed water level; NL
lowest water level when water can overflow from the cistern, with the drain valve closed and overflow port blocked
[3.17 Definition, GB 26730-2011]
3.13
water saving pan and urinal
pedestal pan with both nominal and actual water consumptions not greater than 5.0 L, squatting pan with both nominal and actual water consumptions not greater than 6.0 L and urinal with nominal and actual water consumptions not greater than 3.0 L
3.14
nominal water consumption
nominal water consumption of product
3.15
actual water consumption
average water consumption of pan and urinal measured
3.16
stoneware-earthen sanitary ware
stoneware sanitary ware and earthen sanitary ware are collectively referred to as stoneware-earthen sanitary ware
4 Product Classification and Mark
4.1 Product classification
4.1.1 Classification method
Sanitary wares are classified into porcelain sanitary ware and stoneware-earthen sanitary ware by water absorption. Pan and urinal are classified into ordinary type and water-saving type by water consumption.
4.1.2 Porcelain sanitary ware
See Table 1 for the classification of porcelain sanitary ware products.
Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
4 Product Classification and Mark
5 General Technical Requirements
6 Technical Requirements for Pan and Urinal
7 Technical Requirements for Washing Basin, Bidet and Washing Tank
8 Test Methods
9 Inspection Rules
10 Marking and Identification
11 Installation and Operation Instruction
12 Packaging, Transport and Storage
Annex A (Informative) Product Marks of Sanitary Wares
Annex B (Normative) Schematic Diagram for Dimensional Requirements of Sanitary Ware Products
Annex C (Informative) Schematic Diagram for Measuring Method for Deformation of Sanitary Ware Product
Annex D (Normative) Schematic Diagram of Load Resistance Test
Annex E (Normative) Function Test Device for the Pan and Urinal
Annex F (Normative) Schematic Diagram for the Artificial Test Body Used for Squatting Pan Discharge Test
Annex G (Informative) Functional Requirements and Test Methods for Waterless Urinal
