QC/T 1008-2015 PDF in English
QC/T 1008-2015 (QC/T1008-2015, QCT 1008-2015, QCT1008-2015)
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Specifications of tank ventilation filters
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QC/T 1008-2015: PDF in English (QCT 1008-2015) QC/T 1008-2015
QC
AUTOMOTIVE INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 43.040
T 13
S p e c i f i c a t i o n s o f t a n k
v e n t i l a t i o n f i l t e r s
ISSUED ON. JULY 14, 2015
IMPLEMENTED ON. JANUARY 1, 2016
Issued by. Ministry of Industry and Information Technology of the
People’s Republic of China
Table of Contents
Foreword ... 6
1 Scope ... 7
2 Normative references ... 7
3 Terms and definitions ... 8
4 Technical requirements ... 8
5 Test methods ... 10
6 Inspection rules ... 11
7 Marking, packaging, transportation and storage ... 11
Annex A (Informative) Types of tank ventilation filters ... 13
59 QC/T 1008-2015 Specifications of Tank Ventilation
Filters
January 1, 2016
60 QC/T 1009-2015 Specifications of Passenger Car
Automatic Transmission Filters
January 1, 2016
61 QC/T 1010-2015
Technical Requirements and Bench
Test Methods for Hydraulic air-
assistant System Booster of Clutch
January 1, 2016
62 QC/T 1011-2015
Technical Requirements and Bench
Test Methods for Hydraulic Air-
assistant System Master Cylinder of
Clutch
January 1, 2016
63 QC/T 1012-2015
Technical Requirements and
Determination for Motor Vehicles –
Hydraulic Power Steering System
Cleanliness
January 1, 2016
64 QC/T 1013-2015
Technical Requirement and Test
Method for Rotary Shaft Lip-type
Seals of Steering Input Shaft
January 1, 2016
Specifications of tank ventilation filters
1 Scope
This Standard specifies the terms and definitions, technical requirements, test
methods and inspection rules, marking, packaging, transportation and storage of tank
ventilation filters.
This Standard applies to filters for ventilation of automotive hydraulic oil tanks with a
volume flow rate of not greater than 6,000 L/min (hereinafter referred to as filters); it
can also be referred to for other types of filters for tank ventilation.
2 Normative references
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition dated applies to this document. For
undated references, the latest edition of the referenced documents (including all
amendments) applies to this document.
GB/T 10125-2012, Corrosion tests in artificial atmospheres – Salt spray tests
GB/T 191-2008, Packaging - Pictorial marking for handling of goods
GB/T 2828.1-2012, Sampling procedures for inspection by attributes – Part 1.
Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot
inspection
GB/T 28950.1-2012, Road vehicles and internal combustion engines – Filter
vocabulary – Part 1. Definitions of filters and filter components
GB/T 28950.2-2012, Road vehicles and internal combustion engines – Filter
vocabulary – Part 2. Definitions of characteristics of filters and their components
GB/T 28957.1-2012, Road vehicles – Test dust for filter evaluation – Part 1.
Silicon dioxide test dust
GB/T 3821-2005, Small and medium power internal combustion engines –
Cleanliness measurement
QC/T 32-2006, Test methods of air cleaners for automobiles
4.2.3 Dust holding capacity
Under the rated air flow, the dust holding capacity of filters shall be as specified in Table
2 when the resistance of filters achieves the final resistance of blocking 3.5 kPa or the
filtration efficiency of filters drops to the specified value.
Table 2 – Dust holding capacity
Filter element material Dust holding capacity/(g/L/min)
Filter paper or glass fibre > 0.03 Q
Iron wire cloth or sintered metal powder
NOTE.
1. Test dust is ISO 12103-A4.
4.2.4 Thermal resistance
4.2.4.1 High temperature resistance test
After high temperature resistance test at (80°C ± 3°C)/24 h, the coating of enclosure
shall not crack, bubble or fall off; the paper filter element shall be free from burning,
scorching, fracturing, scattering, etc.; filter material and adhesive, end cap and
adhesive shall not break apart and fractures, cracks, breakages, etc. are not allowed.
4.2.4.2 Low temperature resistance test
After low temperature resistance test at (- 40°C ± 3°C)/24 h, the coating of enclosure
shall not crack, bubble or fall off; the paper filter element shall be free from fracturing,
scattering, etc.; filter material and adhesive, end cap and adhesive shall not break
apart and fractures, cracks, breakages, etc. are not allowed.
Mount filters according to the formal installation method; no defects are allowed after
vibration test based on the parameters of Clause 10 of QC/T 32-2006, such as
fractures and deformations.
4.2.6 Internal cleanliness
where.
5.2.2 Low temperature resistance
Place a new filter into a low temperature test chamber for test at (- 40°C ± 3°C)/24 h;
observe the changes of appearance after test.
6 Inspection rules
6.1 Exit-factory inspection
6.1.1 Each filter shall pass the inspection of the quality inspection department
according to 4.1 and be accompanied by a certificate of compliance before delivery.
6.1.2 Sampling scheme shall be as specified in GB/T 2828.1.
6.2 Type inspection
6.2.1 In one of the following cases, carry out type inspection.
a) during the trial-production pattern evaluation of a new product;
b) when there is any significant change in structure, material and process during
normal production, which may influence the performance;
d) when there is any significant difference between the results of exit-factory
inspection and those of last type inspection;
e) when a national quality supervision body asks for type inspection.
6.2.2 Items of type inspection
The items are as specified in Clause 4.
7 Marking, packaging, transportation and storage
7.1 Each filter shall be marked with.
a) emblem mark or trademark;
b) product type;
c) permanent mark;
d) instructions for use.
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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