This standard specifies the product structure, classification and model, requirements, test methods, inspection rules, marking, packaging, transportation and storage of foot valves. This standard applies to various types of foot valves with a nominal size not greater than 25mm, a nominal pressure not greater than 0.6MPa, and a medium temperature of 0°C to 75°C, installed at the end of the water supply pipeline.
CJ/T 319-2010 Referenced Document
GB 9969.1 General principles for preparation of instructions for use of industrial products
GB/T 10125-1997 Corrosion tests in artificial atmospheres--Salt spray tests
GB/T 1047 Pipework components—Definition and selection of nominal size*, 2019-03-25 Update
GB/T 1048 Pipework components—Definition and selection of nominal pressure*, 2019-05-10 Update
GB/T 12600-2005 Metallic coatings.Electroplated coatings of nickel plus chromium on plastics materials
GB/T 17219 Standard for safety evaluation of equipment and protective materials in drinking water system
GB/T 1804-2000 General tolerances Tolerances for linear and angular dimensions without individual tolerance indications
GB/T 21873 Rubber seals.Joint rings for water supply,drainage and sewerage pipelines.Specification for materials
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 7306.1 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads Part 1:Parallel internal and taper external threads
GB/T 7306.2 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads Part 2:Taper internal and external threads
GB/T 9286-1998 Paints and varnishes--Cross cut test for films
QB/T 2806 Temperature controlled faucet*, 2017-07-07 Update