This part specifies the basic requirements for safety protection devices (safety relief devices, flame arresters) and safety protection for pressure pipelines within the scope of GB/T 20801.1. Other safety protection requirements not specified in this part shall comply with other parts of this standard and the relevant current national standards and specifications.
GB 3836.12-1991 Electrical apparatus for explosive atmospheres--Classification of gases or vapours with air according to their maximum experimental safe gaps and minimum igniting currents
GB 567-1999 Bursting discs and bursting disc devices