This part of GB/T 18443 specifies the testing principle and method, testing device, apparatus and instruments, testing conditions and preparation, testing procedure, data processing, testing record, testing report and other requirements for volume measurement of vacuum insulation cryogenic equipment.
This part is applicable to volume measurement of vacuum insulation cryogenic equipment such as vacuum insulation cryogenic pressure vessels, vacuum insulation cryogenic welded gas cylinders and vacuum insulation pipes and pipe fittings, excluding those for storage and transportation of liquid hydrogen medium.
2 Normative References
The following documents contain provisions which, through reference in the text, constitute provisions of this part of GB/T 18443. For dated reference, subsequent amendments (excluding corrections) to, or revisions of, any of these publications do not apply. However, parties to agreements based on this part are encouraged to investigate the possibility of applying the most recent editions of the documents. For any undated references, the latest edition of the document referred to applies.
GB/T 18443.1-2010 Testing Method of Performance for Vacuum Insulation Cryogenic Equipment - Part 1: Basic Requirements
GB/T 18443.2 Testing Method of Performance for Vacuum Insulation Cryogenic Equipment - Part 2: Vacuum Degree Measurement
GB/T 18443.3 Testing Method of Performance for Vacuum Insulation Cryogenic Equipment - Part 3: Leakage Measurement
GB/T 18443.4 Testing Method of Performance for Vacuum Insulation Cryogenic Equipment - Part 4: Leak-outgassing Rate Measurement
GB/T 18443.5 Testing Method of Performance for Vacuum Insulation Cryogenic Equipment - Part 5: Static Vaporation Rate Measurement
GB/T 18443.6 Testing Method of Performance for Vacuum Insulation Cryogenic Equipment - Part 6: Heat-leak Rate Measurement
GB/T 18443.7 Testing Method of Performance for Vacuum Insulation Cryogenic Equipment - Part 7: Holding Time Measurement
JB/T 4746 Formed Heads for Steel Pressure Vessels
3 Terms and Definitions
For the purposes of this part, the terms and definitions defined in GB/T 18443.1 ~ GB/T 18443.7 and the following apply.
