1 Scope
This standard specifies the terms and definitions, specifications, test methods, inspection rules, marking and identification, packaging, transportation and storage of gravity water flushing devices and supports for sanitary wares.
This standard is applicable to all kinds of flushing devices installed on the cold water supply pipeline with static pressure not more than 0.6 MPa, for supporting various water flushing devices of water closets and support of wall-mounted sanitary wares.
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 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 6461-2002 Methods for Corrosion Testing of Metallic and Other Inorganic Coatings on Metallic Substrates — Rating of Test Specimens and Manufactured Articles Subjected to Corrosion Tests
GB 6952 Sanitary Wares
GB/T 7307 Pipe Threads with 55 Degree Thread Angle where Pressure-tight Joints are Made on the Threads
GB/T 9195 Classification and Terms of Building and Sanitary Ceramics
GB/T 10125-1997 Corrosion Tests in Artificial Atmospheres — Salt Spray Tests
GB/T 17219 Safety Evaluation Criteria for Drinking Water Distribution Equipment and Protective Material
GB/T 23448 Flexible Hose for Sanitary Tapware
3 Terms and Definitions
For the purpose of this document, the terms and definitions given in GB/T 9195 and the following apply.
3.1
flush tank
special water tank installed with affixes such as fill valve, flush valve, driving device, etc. for direct flushing of water closet or other drain devices. It includes wall flush tank, inner flush tank, hidden cistern and flush tank directly installed on the water closet. According to the flushing mode, it can be divided into single-flushing type and double-flushing type; according to the installation method, it can be divided into split type, integral type, wall-mounted type, hidden type and inner type; according to the driving mode, it can be divided into mechanical type and non-contact type
Foreword II
1 Scope
2 Normative References
3 Terms and Definitions
4 Material
5 Technical Requirements
6 Test Method
7 Inspection Rules
8 Marking and Identification
9 Packaging, Transportation and Storage
Annex A (Normative) Connection Dimensions for Support and Wall-mounted Pedestal Pan
Annex B (Normative) Test Method of Torque and Tensile Strength
Annex C (Normative) Anti-siphon Function Test of Fill Valve
Annex D (Normative) Test Method of Water Hammer
Annex E (Normative) Test Method of Durability
Annex F (Normative) Test Method of External Tank Front Thrust
Annex G (Normative) Safe Load Test Method of Sanitary Ware Supports
Bibliography
