QC/T 1238-2025 Air filter for fuel cell system English, Anglais, Englisch, Inglés, えいご
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ICS
T
Professional Standard of the People's Republic of China
QC/T 1238-2025
Air filter for fuel cell system
燃料电池发动机用空气滤清器
(English Translation)
Issue date: 2025-12-17 Implementation date: 2026-07-01
Issued by the Ministry of Industry and Information Technology of the People's Republic of China
Contents
Foreword
1 Scope
2 Normative References
3 Terms and Definitions
4 Technical Requirements
5 Test Methods
6 Inspection Rules
7 Marking, Packaging, Transportation, and Storage
Air Filter for Fuel Cell Engines
1 Scope
This document specifies the technical requirements, test methods, inspection rules, as well as marking, packaging, transportation, and storage specifications for air filters used in fuel cell engines.
This document is applicable to the design, manufacturing, and inspection of air filter products for fuel cell engines.
2 Normative References
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 2408-2021 Determination of burning behaviour of plastics-Horizontal and vertical test (IEC 60695-11-10:2013, MOD)
GB 8410-2006 Flammability of interior materials for automobiles
GB/T 10125-2021 Corrosion tests in artificial atmospheres-Salt spray tests (ISO 9227:2017, MOD)
GB/T 24548-2009 Terms for fuel cell electric vehicles
GB/T 28957.1-2023 Road vehicles-Test dust for filter evaluation-Part 1: Silicon dioxide test dust (ISO 12103-1:2016, MOD)
GB/T 32085.1-2015 Automotive cabin air filters-Part 1: Test for particulate filtration (ISO/TS 11155-1:2001, MOD)
GB/T 32085.2-2015 Automotive cabin air filters-Part 2: Test for gas filtration (ISO 11155-2:2009, IDT)
QC/T 32-2017 Test methods for automotive air filters
QC/T 970-2014 Technical specifications for passenger car air filters
ISO 5011:2020 Inlet air cleaning equipment for internal combustion engines and compressors-Performance testing
3 Terms and Definitions
For the purposes of this document, the terms and definitions given in QC/T 32-2017, QC/T 970-2014, GB/T 32085.1-2015, GB/T 32085.2-2015, GB/T 24548-2009, and the following apply.
3.1 fuel cell system
Comprising the fuel cell stack and the fuel cell auxiliary system, capable of normal operation when supplied with an external hydrogen source.
[SOURCE: GB/T 24548-2009, 3.4.3]
3.2 air filter for fuel cell system
A device used to remove particulate impurities and gaseous pollutants from the air entering the fuel cell system.
3.3 filter element
The replaceable component within an air filter, consisting of the filtration medium and supporting structure.
3.4 rated air volume flow
The volumetric air flow rate at the outlet of the air filter under standard atmospheric conditions, as specified by the user or manufacturer.
Note: Determined based on measurement and calculation of the actual demand of the fuel cell engine.
3.5 initial air flow resistance
The air flow resistance/pressure loss of a new, complete test piece at the rated air flow rate.
[SOURCE: QC/T 32-2017, 3.18]
3.6 filtration efficiency
The capability of an air filter to remove specified test dust according to the prescribed test method.
Note: Evaluated as the percentage (%) of the mass of dust removed by the air filter relative to the mass of dust introduced.
[SOURCE: QC/T 32-2017, 3.19, modified]
3.7 initial filtration efficiency
The capability of an air filter equipped with a new filter element to remove specified test dust according to the prescribed method.
Note: Expressed as the percentage (%) of the mass of dust removed relative to the mass of dust introduced.
3.8 full life filtration efficiency
The overall filtration efficiency measured when the test termination conditions are reached.
Note: Evaluated as the percentage (%) of the total mass of dust removed by the test piece during the entire test relative to the total mass of dust introduced.
[SOURCE: QC/T 32-2017, 3.22, modified]
3.9 dust holding capacity
The total amount of specified dust removed by the test piece when the termination conditions are reached.
[SOURCE: QC/T 32-2017, 3.24, modified]
3.10 fractional efficiency
Er(x)
The filtration efficiency classified according to particle size.
[SOURCE: GB/T 32085.1-2015, 3.6]
3.11 efficiency
The amount of pollutant removed or reduced by the filter divided by the total amount of pollutant directly applied to the filter.
[SOURCE: GB/T 32085.2-2015, 3.11]
3.12 electrical mobility equivalent diameter
dme
The diameter of a spherical particle possessing the same electrical mobility as the characterized particle.
[SOURCE: GB/T 31159-2014, 2.10]
4 Technical Requirements
4.1 Appearance
The product shall be inspected visually. The surface of the air filter shall be free from damage and impurities. Product markings shall be clear. The filter medium shall not be detached from the frame.
4.2 Dimensions and Mass
The dimensions and mass of the air filter shall conform to the specifications in the product technical documentation.
4.3 Combustion Characteristics
The combustion result of the air filter element shall meet the A-0 mm/min requirement specified in GB 8410-2006. The combustion result of the air filter housing shall meet the
