This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation, storage and other requirements for graphite chemical equipment. This standard is mainly applicable to chemical equipment and parts made of impermeable graphite. Impermeable carbon chemical equipment and permeable graphite chemical equipment can also be used as a reference. The applicable scope of graphite equipment: a) The maximum working pressure is 2.4 MPa; b) The graphite wall temperature is between 60 ℃ and 400 ℃. This standard does not apply to the following graphite equipment: a) graphite equipment heated directly by flame; b) graphite equipment in nuclear energy installations; c) cast graphite equipment.
2017HG/T 2370-2017 Technical conditions for chemical equipment made of impermeable graphite
2006HG/T 2370-2005 Specification of graphite chemical process equipment
1992HG 2370-1992 Specifications for chemical equipment made of graphite
HG/T 2370-2005 Specification of graphite chemical process equipment has been changed from HG 2370-1992 Specifications for chemical equipment made of graphite.