T/CAS 599-2022 Active Group standards

T/CAS 599-2022 Car air conditioning refrigerant (HFC-134a) leak testing method and limit

Publish Date: 2022-09-19 Implement Date: 2022-09-19 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CAS 599-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Vehicles

ICS Name: The car body and its accessories

Publish Date: 2022-09-19

Implement Date: 2022-09-19

Scope

Scope: This standard specifies the test equipment, pre-treatment and sampling, measurement and result calculation, leakage limit values, and requirements for test reports for the leakage test of refrigerant (HFC-134a) in automotive air conditioning systems. This standard applies to the sampling and measurement of refrigerant (HFC-134a) in automotive air conditioning systems of M1 and N1 class vehicles. Other types of automotive air conditioning systems and refrigerants may be referenced for implementation. Main technical content: 1. Scope: This standard specifies the test equipment, pre-treatment and sampling, measurement and result calculation, leakage limit values, and requirements for test reports for the leakage test of refrigerant (HFC-134a) in automotive air conditioning systems. This standard applies to the sampling and measurement of refrigerant (HFC-134a) in automotive air conditioning systems of M1 and N1 class vehicles. Other types of automotive air conditioning systems and refrigerants may be referenced for implementation. 2. Normative references: The following documents are essential for the application of this document. For dated referenced documents, only the dated version applies to this document. For undated referenced documents, the latest version (including all amendment sheets) applies to this document. - QC/T 720—2004 Automobile Air Conditioning Terminology 3. Terms and definitions: The terms and definitions defined in QC/T 720—2004 and the following terms and definitions apply to this document. 3.1 Automobile air conditioning: An air conditioning system composed of a compressor, condenser, throttle element, evaporator, refrigerant pipelines, fans, and necessary control components, used to regulate air temperature and humidity and provide a suitable environment for vehicle occupants and key components. Note 1: It can be divided into single-cooling type, refrigeration-heating type, heat pump type, electric heating-assisted heat pump type, and