This standard specifies the technical requirements for glass-lined heat exchange tubes. This standard applies to glass-lined tubes used for heat exchange with temperatures below 300°C.
HG/T 4286-2011 Referenced Document
GB 25025 Specification of glass-lined equipment for industry
GB/T 7989 Viterous and porcelain enamels.Determination of resistance to chemical corrosion by boiling acids and their vapours*, 2013-12-31 Update
GB/T 7991 Measurement of vitreous and porcelain enamel coating thickness--Magnetic method
GB/T 7993 Vitreous and porcelain enamel--Enamelled articles for service under highly corrosive conditions-High voltage test
GB/T 8163 Seamless steel pipes for liquid service*, 2018-05-14 Update