1.1 This code is formulated with a view to perfect the safety design of liquefied hydrocarbon spherical tanks and its attachments, and promote the safety of liquefied hydrocarbon spherical tanks and avoid or reduce the occurrences of accident.
1.2 This code is applicable to the safety design of liquefied hydrocarbon spherical tanks and its attachments in petrochemical plant and storage and transportation facility.
1 Scope
2 Normative documents
3 Terms and Definitions
4 The design of liquefied hydrocarbon spherical tanks
4.1 Basic requirement
4.2 Material of liquefied hydrocarbon spherical tanks
4.3 Structure of liquefied hydrocarbon spherical tanks
4.4 connecting piece of liquefied hydrocarbon spherical tanks
4.5 Design document
4.6 Manufacture and installation
5 Meter
5.1 Temperature
5.2 Pressure
5.3 Liquid level
6 Valve
6.3 Tapping valve
6.4 Air evacuation valve
6.5 check valve
7 The piping and other components connected with liquefied hydrocarbon spherical tank
8 Others
Wording Explanations