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JB/T 11242-2011Automotive engine cooling water pump mechanical seal (English PDF)

汽车发动机冷却水泵用机械密封

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

December 20, 2011

Implementation date

April 1, 2012

Scope

JB/T 11242-2011 is the English-translated version of 汽车发动机冷却水泵用机械密封.

JB/T 11242-2011 is a recommended Chinese machinery industry standard for the mechanical seals used in automotive engine cooling water pumps.

It establishes the basic type of seal, its main dimensions and parameters, the requirements, the inspection requirements, the test methods, the instruments and meters employed, and the provisions for packaging and storage.

The seals it covers work at a medium pressure below 0.3 MPa and at temperatures from minus 35 to 135 degrees Celsius, with a shaft diameter under 20 mm, a speed below 9000 r/min, and water or automotive coolant as the working medium.

The document carries the Chinese classification J22 and the international classification 21.140. Among the standards it quotes are GB/T 3280, GB/T 24588, JB/T 6374, JB/T 11107 and NB/SH/T 0521.

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Document preview — JB/T 11242-2011

National Standard of the People's Republic of China

ICS: 21.140

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

1 Scope
2 Normative references

1 Foreword

JB/T 11242-2011 was issued by MIIT on 20 December 2011 and has been in force since 1 April 2012.

2 Scope

This standard is a recommended Chinese machinery industry standard for the mechanical seals used in automotive engine cooling water pumps. It establishes the basic type of seal, its main dimensions and parameters, the requirements, the inspection requirements, the test methods, the instruments and meters employed, and the provisions for packaging and storage. The seals it covers work at a medium pressure below 0.3 MPa and at temperatures from minus 35 to 135 degrees Celsius, with a shaft diameter under 20 mm, a speed below 9000 r/min, and water or automotive coolant as the working medium. The document carries the Chinese classification J22 and the international classification 21.140. Among the standards it quotes are GB/T 3280, GB/T 24588, JB/T 6374, JB/T 11107 and NB/SH/T 0521.

3 Normative references

JB/T 11242-2011 cites the following standards, which apply in full or in part through the references made to them in its clauses.

GB/T 3280

GB/T 24588

JB/T 6374

JB/T 11107

JB/T 8872

JB/T 10874

NB/SH/T 0521

4 About this standard

Issued by: MIIT

English translation: about 16 pages

5 Classification and status

International classification (ICS): 21.140

Prefix JB/T: recommended standard.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 16 pages — is available in the English PDF.

Referenced standards

Normative references

NB/SH/T 0521

Similar standards

NB/SH/T 6079-2023|GB/T 31027-2014|QC/T 1122-2019|JB/T 12708-2016|NB/T 25090-2018|JB/T 11435-2013

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