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Database: 189760 (18 Oct 2025)
JB/T 14615-2024 English PDF
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JB/T 14615-2024
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(Cleanliness limits and determination methods for piston moving components of internal combustion engines)
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JB/T 14615-2024
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Basic data
Standard ID
JB/T 14615-2024 (JB/T14615-2024)
Description (Translated English)
(Cleanliness limits and determination methods for piston moving components of internal combustion engines)
Sector / Industry
Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard
J92
Classification of International Standard
27.020
Date of Issue
2024-03-29
Date of Implementation
2024-10-01
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the terms and definitions of the cleanliness of piston movement components of internal combustion engines, specifies the cleanliness limits, measurement conditions and measurement locations, specifies the corresponding measurement methods, and specifies the requirements for qualified judgment. This standard applies to the cleanliness determination of piston movement components of internal combustion engines with a nominal cylinder diameter of less than 200mm, and the cleanliness determination of piston movement components for other purposes (such as piston movement components for piston air compressors, etc.) is used as a reference.