QC/T 1028-2016 (QC/T1028-2016, QCT 1028-2016, QCT1028-2016) & related versions
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Performance requirements and test methods of vehicle vacuum check valve
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QC/T 1028-2016
QC
AUTOMOTIVE INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 43.040.40
T 24
Performance requirements and test
methods of vehicle vacuum check valve
ISSUED ON. JANUARY 15, 2016
IMPLEMENTED ON. JULY 01, 2016
Issued by. Ministry of Industry and Information Technology of the
People's Republic of China
Table of contents
Foreword ... 5
1 Scope ... 6
2 Normative references ... 6
3 Terms and definitions ... 6
4 Performance requirements ... 7
5 Test equipment ... 8
6 Test method ... 8
Ministry of Industry and information Technology of PRC.
Announcement
Year 2016 No.3
It is hereby announced that the Ministry of Industry and Information Technology
approved 643 industry standards (standard numbers, names, major contents and
starting date of implementation can refer to Annex) including the Piston Vacuum
Pump; thereof, there are 214 mechanical industry standards, 7 automotive industry
standards, 1 aviation industry standard, 59 light industry standards, 110 chemical
industry standards, 21 metallurgical industry standards, 6 building material industry
standards, 20 petrochemical industry standards, 6 civil explosion industry standards,
132 electronic industry standards, and 67 communication industry standards.
The above mechanical industry standards are published by Mechanical Industry
Press; automotive industry standards are published by Science and Technology
Literature Press; engineering construction standards in chemical industry are
published by China Planning Press; aviation industry standard is organized to publish
by China Aero-Polytechnology Establishment; light industry standards are published
by China Light Industry Press; chemical industry standards are published by Chemical
Industry Press; metallurgical industry standards are published by Metallurgical
Industry Press; building material industry standards are published by Building Material
Industry Press; petrochemical industry standards are published by China
Petrochemical Press; civil explosion industry standards are organized to publish by
Nuclear Research Institute of Standardization of China Ordnance Industry; electronic
industry standards are organized to publish by China Electronics Standardization
Institute of Ministry of Industry and Information Technology; communication industry
standards are published by People’s Posts and Telecommunications Press.
Annex. standard numbers, names, starting dates of implementation of 7 automotive
industry standards
Ministry of Industry and Information Technology of PRC.
January 15, 2016
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009
Directive for standardization – Part 1. Structure and drafting of standards.
This standard was proposed by AND shall be under the jurisdiction of the
National Automotive Standardization Technical Committee (SAC/TC 114).
The drafting organizations of this standard. Shanghai Automotive Brake
System Co., Ltd., Ningbo Qiaoshi Rubber Co., Ltd., China First Automobile Co.,
Ltd. Technology Center, Jilin Dongguang Aowei Automobile Brake System Co.,
Ltd., Pan Asia Automotive Technology Center Co., Bosch Automotive
Components (Suzhou) Co., Ltd.
The main drafters of this standard. Ge Hong, Bo Fanbin, Zhu Xianqiao, Lin
Dahai, Zhang Yuhai, Wang Qiang, Qi Gang, Pu Xinyu, Zheng Wenhui.
Performance requirements and test
methods of vehicle vacuum check valve
1 Scope
This standard specifies the terms and definitions, performance requirements,
and bench test methods of the vacuum check valve for automotive braking
system.
This standard is applicable to the vacuum check valve for all kinds of
automotive braking system (hereinafter shortly referred to as “check valve”).
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) are applicable to this Standard.
GB 11121-2006 Gasoline engine oils
GB 11122-2006 Diesel engine oils
GB 17930-2013 Gasoline for motor vehicles
GB 18351-2013 Ethanol gasoline for motor vehicles (E10)
3 Terms and definitions
The following terms and definitions apply to this standard.
3.1
Interval vacuum check valve
It refers to the check valve which is installed in the vacuum hose.
3.2
External vacuum check valve
It refers to the check valve for which one end is connected to the vacuum
source AND the other end is connected to the vacuum hose or other
devices.
4 Performance requirements
4.1 Vacuum sealability
4.1.1 Normal temperature vacuum sealability.
When tested in accordance with 6.1.1, the pressure rise shall not be greater
than 1 kPa.
4.1.2 High temperature vacuum sealability.
When tested in accordance with 6.1.2, the pressure rise shall not be greater
than 2 kPa.
4.1.3 Low temperature vacuum sealability.
When tested in accordance with 6.1.3, the pressure rise shall not be greater
than 2 kPa.
4.2 Vacuum openness
When tested in accordance with 6.2, the vacuum output end of the check valve
shall produce output.
4.3 Air pressure sealability
When tested in accordance with 6.3, the pressure drop shall not be greater
than 0.2 kPa.
4.4 Condensation
When tested in accordance with 6.4, the check valve vacuum opening shall
comply with the requirements of 4.2.
4.5 Medium resistance
When tested in accordance with 6.5, the check valve shall be free from crack
or damage; the normal temperature vacuum sealability of the check valve shall
comply with the requirements of 4.1.1, AND the vacuum openness shall
comply with the requirements of 4.2.
4.6 Durability
When tested in accordance with 6.6, the normal temperature vacuum
sealability of the check valve shall comply with the requirements of 4.1.1, AND
the vacuum openness shall comply with the requirements of 4.2.
4.7 Compressive strength
When the external check valve is tested in accordance with 6.7, the shell and
welds shall be free from damage.
......
| Standard ID | QC/T 1028-2016 (QC/T1028-2016) | | Description (Translated English) | Performance requirements and test methods of vehicle vacuum check valve | | Sector / Industry | Automobile & Vehicle Industry Standard (Recommended) | | Classification of Chinese Standard | T24 | | Classification of International Standard | 43.040.40 | | Word Count Estimation | 9,912 | | Date of Issue | 2016-01-15 | | Date of Implementation | 2016-07-01 | | Quoted Standard | GB 11121-2006; GB 11122-2006; GB 17930-2013; GB 18351-2013 | | Drafting Organization | Shanghai Automotive Brake System Co | | Administrative Organization | National Automotive Standardization Technical Committee | | Regulation (derived from) | ?Ministry of Industry and Information Technology Bulletin 2016 No.3 | | Summary | This standard specifies the terms and definitions, performance requirements and bench test methods of vacuum check valves for automotive braking systems. This standard applies to all types of automotive brake system using the vacuum check valve (hereinafter referred to as "one-way valve"). |
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