GB/T 21972.2-2012Specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications - Part 2: YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications (English PDF)
起重及冶金用变频调速三相异步电动机技术条件 第2部分：YZP系列起重及冶金用变频调速三相异步电动机（轴流风机冷却）
GB/T 21972.2 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 21972.2-2023 | Technical specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications - Part 2: YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applica | Valid |
| GB/T 21972.2-2012 | Specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications - Part 2: YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications | Obsolete |
GB/T 21972.2-2012 is obsolete. It has been replaced by GB/T 21972.2-2023. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Level / Type
National · Recommended
Issue date
December 31, 2012
Implementation date
June 1, 2013
Scope
GB/T 21972.2-2012 is the English-translated version of 起重及冶金用变频调速三相异步电动机技术条件 第2部分：YZP系列起重及冶金用变频调速三相异步电动机（轴流风机冷却）.
GB/T 21972.2-2012 is the Chinese national standard "Specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications - Part 2: YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications".
It was issued on December 31, 2012 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the Standardization Administration of China, and took effect on June 1, 2013. It is obsolete: it has been replaced by GB/T 21972.2-2023.
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Document preview — GB/T 21972.2-2012
National Standard of the People's Republic of China
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China.
Date of issue: 2012-12-31.
Date of implementation: 2013-06-01.
Status: obsolete, replaced by GB/T 21972.2-2023.
......
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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Related Standards
GB/T 21972.3-2023 — Technical specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications - Part 3: YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications(cooled with centrifugal fan) (frame size: 100~400)
GB/T 21972.1-2008 — Technical specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical application - Part 1: YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applica
GB/T 21972.3-2013 — Specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications - Part 3: YZP series variable-frequency adjustable-speed three-phase induction motors (cooled with centrifugal fan) for crane and
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GB/T 21972.2-2012
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