This standard specifies the classification, requirements, inspection methods, inspection rules, marking, packaging and storage of marine welded copper flanges (hereinafter referred to as flanges). This standard applies to the design, manufacture and acceptance of flanges for ship pipelines with nominal pressures not greater than 4.0MPa and operating temperatures not higher than 250°C.
CB/T 48-2007 Referenced Document
GB/T 1184-1996 Geometrical tolerancing--Geometrical tolerance for features without individual tolerance indications
GB/T 13808-1992 Wrought copper and copper alloys.Extruded rods and bars
GB/T 1804-2000 General tolerances Tolerances for linear and angular dimensions without individual tolerance indications
GB/T 569-1965 Marine pipe flanges--Connection dimensions and mating face