DL/T 639-1997Safety and protection rules for operation, test and maintenace personnel of SF. In electrical apparatus (English PDF)
六氟化硫电气设备运行、试验及检修人员安全防护细则
DL/T 639 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| DL/T 639-2016 | Safety and protection rules for operation, test and maintenace personnel of SF6 in electrical apparatus | Valid |
| DL/T 639-1997 | Safety and protection rules for operation, test and maintenace personnel of SF. In electrical apparatus | Obsolete |
DL/T 639-1997 is obsolete. It has been replaced by DL/T 639-2016. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
MPI
Level / Type
National · Recommended
Issue date
October 22, 1997
Implementation date
January 1, 1998
Scope
DL/T 639-1997 is the English-translated version of 六氟化硫电气设备运行、试验及检修人员安全防护细则.
DL/T 639-1997 is the Chinese industry standard "Safety and protection rules for operation, test and maintenace personnel of SF. In electrical apparatus". It was issued on October 22, 1997 by MPI, and took effect on January 1, 1998. It is obsolete: it has been replaced by DL/T 639-2016.
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Document preview — DL/T 639-1997
National Standard of the People's Republic of China
Issued by: MPI
Contents
- Document data
1 Document data
Sector: Electricity & Power (industry standard).
Issuing body: MPI.
Date of issue: 1997-10-22.
Date of implementation: 1998-01-01.
Status: obsolete, replaced by DL/T 639-2016.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
Referenced standards
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