This standard specifies the classification and marking, requirements, test methods, inspection rules, marking, packaging and storage of side nozzles (hereinafter referred to as nozzles) with flange connection dimensions and sealing surfaces in accordance with CB/T 4196 and GB/T 2501. This standard applies to the side nozzle of the overboard discharge pipeline connected to the side valve. Not suitable for deck drains.
CB/T 4342-2013 Referenced Document
CB/T 4196 Marine pipe flanges-connection dimensions and mating face
GB/T 1184-1996 Geometrical tolerancing--Geometrical tolerance for features without individual tolerance indications
GB/T 12229-2005 General Purpose industrial valves.Specification of carbon steel castings
GB/T 1804-2000 General tolerances Tolerances for linear and angular dimensions without individual tolerance indications