DL/T 642-1997Electric valve actuators for flameproof (English PDF)
隔爆型阀门电动装置
DL/T 642 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| DL/T 642-2025 | Explosion-proof electric actuator | Valid |
| DL/T 642-2016 | Explosion proof electric actuator | Obsolete |
| DL/T 642-1997 | Electric valve actuators for flameproof | Obsolete |
DL/T 642-1997 is obsolete. It has been replaced by DL/T 642-2016. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
Ministry of Power Industry of the People's Republic of China
Level / Type
National · Recommended
Issue date
January 22, 1998
Implementation date
July 1, 1998
Scope
DL/T 642-1997 is the English-translated version of 隔爆型阀门电动装置.
DL/T 642-1997 is the Chinese industry standard "Electric valve actuators for flameproof". It was issued on January 22, 1998 by the Ministry of Power Industry of the People's Republic of China, and took effect on July 1, 1998. It is obsolete: it has been replaced by DL/T 642-2016.
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Document preview — DL/T 642-1997
National Standard of the People's Republic of China
Issued by: Ministry of Power Industry of the People's Republic of China
Contents
- Document data
1 Document data
Sector: Electricity & Power (industry standard).
Issuing body: Ministry of Power Industry of the People's Republic of China.
Date of issue: 1998-01-22.
Date of implementation: 1998-07-01.
Status: obsolete, replaced by DL/T 642-2016.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
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DL/T 642-1997
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