This standard specifies the nominal outer diameter of thermoplastic pipes for pressurized and non-pressurized fluid transportation, and specifies the nominal pressure, minimum required strength and overall service (design) factor of pressurized thermoplastic pipes. This standard applies to thermoplastic pipes with round cross-section and smooth inner and outer walls, which are manufactured by various processing methods and materials.
GB/T 4217-2008 Referenced Document
GB/T 18475-2001 Thermoplastics materials for pipes and fittings for pressure applications classification and designation--Overall Service(design) coefficient
GB/T 321-2005 Preferred numbers-Series of preferred numbers
GB/T 4217-2008 history
2008GB/T 4217-2008 Thermoplastics pipes for the conveyance of fluids.Nominal outside diameters and nominal pressures
2001GB/T 4217-2001 Thermoplastics pipes for the conveyance of fluids--Nominal outside diameters and nominal pressures