GB/T 23711.4-2019: Test method for pressure vessels lined with plastics - Part 4: Negative pressure inspection

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Scope

This Part of GB/T 23711 specifies the principle, test equipment, sample, test
method, test result judgment and test report of the negative pressure inspection
of steel pressure vessels lined with plastics.
This Part applies to the negative pressure inspection of steel pressure vessels
lined with plastics such as rigid polyvinyl chloride (PVC-U), chlorinated polyvinyl
chloride (PVC-C), polyethylene (PE), ethylene-tetrafluoroethylene copolymer
(ETFE), fluorinated ethylene propylene (FEP), perfluoroalkoxy alkanes (PFA),
polytetrafluoroethylene (PTFE), and polyvinylidene difluoride (PVDF), whose
container shell material is steel.

Basic Data

Standard ID	GB/T 23711.4-2019 (GB/T23711.4-2019)
Description (Translated English)	Test method for pressure vessels lined with plastics - Part 4: Negative pressure inspection
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	G94
Classification of International Standard	71.120; 83.140
Word Count Estimation	10,141
Date of Issue	2019-12-10
Date of Implementation	2020-11-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration