GB 7957.2-2009
Caplights for use in mines susceptible to firedamp.Part 2:Performance and other safety-related matters (English Version)
- Standard No.
- GB 7957.2-2009
- Language
- Chinese, Available in English version
- Release Date
- 2009
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2017-12
- Replace By
- GB/T 7957-2017
- Latest
- GB/T 7957-2017
- Scope
- This part of GB 7957 specifies the performance and other safety features of miner's lamps, including the performance of miner's lamps that have connection points with other equipment. Miner's lamps complying with this section are also suitable for coal mines without gas. If this section is used as an "independent" document for non-gas coal mines, the supplier and user should negotiate to determine the relevant structural requirements, and if possible, they should comply with the provisions of GB 7957.1.
GB 7957.2-2009 Referenced Document
- GB/T 15766.3-2007 Miniature lamps
- IEC 62013-1:2005 Caplights for use in mines susceptible to firedamp - Part 1: General requirements - Construction and testing in relation to the risk of explosion
GB 7957.2-2009 history
- 2017 GB/T 7957-2017 General requirements for construction,performance and explosion protected testing of caplights for use in mines susceptible to firedamp
- 2009 GB 7957.2-2009 Caplights for use in mines susceptible to firedamp.Part 2:Performance and other safety-related matters
GB 7957.2-2009 Caplights for use in mines susceptible to firedamp.Part 2:Performance and other safety-related matters was changed to GB/T 7957-2017 General requirements for construction,performance and explosion protected testing of caplights for use in mines susceptible to firedamp.
