1 Scope
This standard specifies the terms and definitions, materials, technical requirements, inspection methods, inspection rules, marking, packaging, transportation and storage of drainage fittings for sanitary wares (hereinafter referred to as “waste fitting”).
This standard is applicable to the waste fitting on such products as wash basin, washing tank, bath tube, bidet, shower room and urinal, connected to gravity drainage pipe.
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 197-2003 General purpose metric screw threads—Tolerances
GB/T 1176 Specification for cast copper alloys
GB/T 1527 Drawn tube of copper and copper alloys
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 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability)
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/T 7307 Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads
GB/T 10125-1997 Corrosion tests in artificial atmospheres - Salt spray tests
GB/T 12670 Polypropylene (PP) resin
GB/T 12671 Polystyrene (PS) resin
GB/T 12672 Acrylonitrile-butadiene-styrene (ABS) resin
GB/T 20878 Stainless and heat-resisting steels - Designation and chemical composition
GB/T 21873 Rubber seals - Joint rings for water supply drainage and sewerage pipelines - Specification for materials
HG/T 3097 Rubber seals - Joint rings for pipelines for hot-water supply up to 110℃ - Specification for the materials
1 Scope
2 Normative references
3 Terms and definitions
4 Materials
5 Technical requirements
6 Test methods
7 Inspection rules
8 Marking, packaging, transportation and storage
Annex A (Normative) Connection dimensions of waste fitting
Annex B (Normative) Dimensions of flow test etalon of waste fitting
