GB/T 28494-2012 Globe valves of thermoplastics materials

GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 4217-2008 Thermoplastics pipes for the conveyance of fluids—Nominal outside diameters and nominal pressures GB/T 7306.1-2000 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 7306.2-2000 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 8806-2008 Plastics piping systems—Plastics components—Determination of dimensions GB/T 12222-2005 Multi-turn valve actuator attachments GB/T 17219-1998 Standard for safety evaluation of equipment and protective materials in drinking water system GB/T 19993-2005 Thermoplastics piping systems for hot and cold water supply—Test method for the resistance of pipes and fittings mounted assemblies to thermal cycling GB/T 21300-2007 Plastics pipes and fittings—Determination of opacity GB/T 27726-2011 Thermoplastics valves—Pressure test methods and requirements ISO 10931:2005 ISO 15493:2003 ISO 15494:2003 EN 1267:1999

ISO 21787:2006