GB/T 35974.1-2018: Plastics and Plastic Lining Pressure Vessels - Part 1: General Requirements

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Scope

1.1 Basic Scope
This Part of GB/T 35974 specifies the terms and definitions; general requirements of
materials, design, fabrication, inspection and testing for plastics and plastic lining
pressure vessels.
NOTE: if it is not particularly indicated, all parts of GB/T 35974 may use the following
abbreviations:
---Plastics and plastic lining pressure vessels: “vessels” for short;
---Plastic pressure vessels: “plastics vessels” for short;
---Plastics vessels with plastic lining: “lining vessels” for short.
This Part is not applicable to movable vessels.
This Part is not applicable to plastics vessels, whose medium is flammable, explosive
and toxic gas; moderately toxic liquid stipulated in HG/T 20660.
1.2 Materials
This Part is applicable to vessels fabricated by the following thermoplastic plastics:
a) Plastics vessels: rigid polyvinyl chloride (PVC-U), chlorinated polyvinyl chloride
(PVC-C), polyethylene (PE), polypropylene (PP), Acrylonitrile-butadiene-
styrene (ABS);
b) Lining vessels: rigid polyvinyl chloride (PVC-U), chlorinated polyvinyl chloride
(PVC-C), polyethylene (PE), polytetrafluoroethylene (PTFE),
tetrafluoroethylene/ethylene copolymer (ETFE), polyvinylidene fluoride (PVDF).
1.3 Design Pressure
This Part is applicable to vessels of the following design pressure:
a) Plastics vessels: design pressure is 0 MPa ~ 0.25 MPa; nominal diameter is not
more than 4 m;
b) Lining vessels: design pressure is 0.1 MPa ~ 2.5 MPa; gauge pressure is less
than 0.1 MPa; it may be taken as a reference in implementation.

Basic Data

Standard ID	GB/T 35974.1-2018 (GB/T35974.1-2018)
Description (Translated English)	Plastics and Plastic Lining Pressure Vessels - Part 1: General Requirements
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	G94
Classification of International Standard	71.120; 83.140
Word Count Estimation	14,131
Date of Issue	2018-02-06
Date of Implementation	2018-09-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration