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Database: 189760 (25 Oct 2025)
AQ 4237-2014 English PDF
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AQ 4237-2014
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General Technical Standards of Welding Fume Purifiers
Obsolete
AQ 4237-2014
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Basic data
Standard ID
AQ 4237-2014 (AQ4237-2014)
Description (Translated English)
General Technical Standards of Welding Fume Purifiers
Sector / Industry
Industrial Safety Standard
Classification of Chinese Standard
C70
Classification of International Standard
13.1
Word Count Estimation
12,173
Date of Issue
2/20/2014
Date of Implementation
6/1/2014
Older Standard (superseded by this standard)
LD 37-1992
Quoted Standard
GB 191; GB/T 6388; GB/T 13306; GBZ 2.1
Regulation (derived from)
State Administration of Work Safety Bulletin No. 7 of 2014; industry standards filing Notice 2014 No. 4 (No. 172 overall)
Issuing agency(ies)
State Administration of Work Safety
Summary
This standard specifies the technical requirements for filtering welding fume purifier, performance testing, inspection rules, marking, packaging, transportation and storage. This standard applies to all kinds of welding operations used during the filteri
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