GB/T 40337-2021 Translated English of Chinese Standard (GBT40337-2021): Gas tightness of equipment for gas welding and allied processes

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www.ChineseStandard.net, 2021/07/30 - 17 ページ
This Document specifies the maximum allowable external leakage rate and measurement test methods for welding, cutting and allied process equipment. This Document is applicable to independent welding and cutting equipment parts or devices from the hose connection (the outlet of the gas cylinder valve or the connection end of the gas supply station) at the gas supply end to the gas outlet of the welding and cutting torch.

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目次

Foreword
4
1 Scope
5
4 Expression of Leakage
6
6 Test Pressure
7
8 Measurement of Leakage Rate
8
2019
11
2019
12
Appendix C Normative Correction Coefficient
13
Appendix D Normative Test Methods for Leakage Rate Measurement of Welding and Cutting Torch
14

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