This standard specifies the types, basic parameters and main dimensions of glass-lined mixing vessels and glass-lined storage containers. This standard applies to glass-lined mixing vessels with a nominal pressure less than or equal to 1.0MPa and a nominal volume of 50L to 40,000L, and glass-lined storage vessels with a nominal pressure less than or equal to 0.6MPa and a nominal volume of 50L to 80,000L.