QC/T 664-2000Hoses and hose assemblies for automotive air conditioning (HFC-134a) (English PDF)

1 Foreword

QC/T 664-2000 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 6 November 2000 and has been in force since 1 April 2001.

The QC/T prefix marks a recommended standard. It is not law in itself: it becomes binding when a contract names it, when a regulation or a mandatory standard refers to it, or when a producer declares conformity with it.

The document runs to 15 pages in English translation.

2 Scope Preview

This standard specifies the types, dimensions, technical requirements, test methods, marking, inspection and packaging, transportation and storage of air conditioning hoses and hose assemblies for transporting liquid or gaseous HFC-134a refrigerant for vehicle air conditioning system. This standard is applicable to rubber or thermoplastic hoses and hose assemblies for transporting liquid or gaseous HFC-134a refrigerant for vehicle air conditioning system. The design of the hose shall minimize the permeation of HFC-134a and environmental pollution, and may be used within the temperature range of -40~+125℃.

QC/T 664-2000 carries no ICS number and no Chinese Standard Classification code.

This catalogue holds 1,612 other QC/T standards.

Of the 409 QC/T standards that do carry an ICS number, 397 (97%) fall under ICS 43, in the field of road vehicle engineering.

3 Normative references

GB/T 1690-1992 — Rubber, vulcanized－Determination of the effect of liquids

GB/T 2941-1991 — Rubber - Standard temperatures, humidities and times for the conditioning environmental and testing of test pieces

4 About this standard

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

English translation: about 15 pages

5 Related standards

Other editions:

QC/T 664-2019 (later edition)

6 Classification and status

Prefix QC/T: recommended standard.