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Database: 189760 (18 Oct 2025)
JB/T 14899-2024 English PDF
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
JB/T 14899-2024
English
RFQ
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3 days [Need to translate]
(Crane flameproof brake)
Valid
JB/T 14899-2024
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Basic data
Standard ID
JB/T 14899-2024 (JB/T14899-2024)
Description (Translated English)
(Crane flameproof brake)
Sector / Industry
Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard
J80
Classification of International Standard
53.020.30
Date of Issue
2024-03-29
Date of Implementation
2024-10-01
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the type, explosion-proof classification, temperature group and technical requirements of flameproof brakes for cranes, specifies the corresponding test methods, and specifies the inspection rules, marking, packaging, transportation and storage. This standard applies to the manufacture of flameproof brakes for cranes used in coal mine gas environments, explosive gas environments Zone 1 and Zone 2 and/or explosive dust environments Zone 21 and Zone 22.