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GB/T 25317-2010Dimensions of clevis and tongue couplings of string insulator units (English PDF)

绝缘子串元件的槽型连接尺寸

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Issued by

Standardization Administration of China

Level / Type

National · Recommended

Issue date

November 10, 2010

Implementation date

May 1, 2011

Scope

GB/T 25317-2010 is the English-translated version of 绝缘子串元件的槽型连接尺寸.

GB/T 25317-2010 — The purpose of this standard is to provide a series of groove connection size, so insulators and accessories provided by different manufacturers can be interchanged.

Note 1. GB/T 7253-2005 "nominal voltage above 1000V AC system overhead line insulators porcelain or glass insulators Disc Suspension elements Characteristics of insulator elements "provides with a standard size and strength of level 1 between tables.

IEC 60433 "long rod insulator string element characteristics" put Table for 2 with standard size and strength between the grades. Note 2. If the table size 1 provided is not met, then the recommended 25mm, 28mm and 32mm connecting pin, which pins can be used to connect a high intensity Grade (see GB/T 7253-2005 Notes to Table 2).

This standard applies to pin type insulators and long rod string components, and accessories used in conjunction with these insulators.

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Document preview — GB/T 25317-2010

National Standard of the People's Republic of China

ICS: 29.080.10
Classification: K 48

Issued by: Standardization Administration of China

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard provides a series of groove connection size, so different manufacturers provide insulators or accessories can be interchanged. This standard applies to disc suspension insulator strings and long rod insulator element and used in conjunction with these accessories.

Document data

International classification (ICS): 29.080.10.

Chinese classification (CCS): K48.

Estimated length of the Chinese original: 6,642 words.

Adopted international standard: IEC 60471-1977, IDT.

Standards quoted by this document

GB/T 7253-2005; IEC 60433

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 4 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 7253-2005Insulators for overhead lines with a nominal voltage above 1 000 V - Ceramic or glass insulator units for a.c. systems - Characteristics of insulator units of the cap and pin type

IEC 60305 · IEC 60433

Cited by

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