GB/T 25473-2010Line regulator used in welding, cutting and allied processes (English PDF)

5.2 Design, processing and assembly 3

Physical properties 4

6.1 Pressure 4

6.2 Flow 5

6.3 Working characteristics 6

7 Type Test Procedure 6

7.1 General 6

7.2 Test prototype and essential documents 6

7.3 Test conditions 6

7.4 Performance test 7

7.5 Mechanics test 9

7.6 Test for persistence of signs 11 8 mark, instruction manual, packing, storage 11

8.1 Mark 11

For ease of use, this standard has also made the following editorial changes.

--- instead of using the decimal point '' as the decimal point ',';

- to remove the preamble of international standards;

--- convert the unit of measurement bar into the legal unit of measurement MPa;

Appendix A, Appendix B, Appendix C, Appendix D and Appendix E of this standard are informative.

This standard is proposed by the China Machinery Industry Federation.

This standard is nationalized by the National Industrial Process Measurement and Control Standardization Technical Committee (SAC/TC124).

This standard is responsible for drafting units. Xi'an Industrial Automation Instrumentation Research Institute.

This standard drafting unit. Shanghai reducer plant Co., Ltd., Ningbo Longxing Hange Technology Co., Ltd., Xuzhou Hongye instrumentation Ltd., Ningbo Jiangbei Xingda welding and cutting decompression instrument factory, Lierda Instrument Co., Ltd., Ningbo City, margin of gas control equipment Manufacturing Co., Red Flag Instrument (Changxing) Co., Ltd., Jiangsu Weimar Control System Co., Ltd.