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ISO 8066-4:2023

Rubber and plastics hoses and hose assemblies for automotive air conditioning - Specification - Part 4: Low vibration transmission type for Refrigerant 1234yf
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ISO 8066-4:2023

Rubber and plastics hoses and hose assemblies for automotive air conditioning - Specification - Part 4: Low vibration transmission type for Refrigerant 1234yf

PUBLISH DATE 2023
ISO 8066-4:2023

This document specifies the requirements for rubber hoses and hose assemblies used for low-pressure application of circulating gaseous Refrigerant 1234yf (tetrafluoropropene) (hereinafter referred to as R1234yf) in the air-conditioning systems of automobiles. The hoses and hose assemblies are designed in such a way as to reduce vibration transmission between the engine room and the cabin. The operational temperature range is 40 °C to +80 °C.

Due to the critical relationship between the hose and coupling for this application, a requirement that the coupling to be used in service be used for testing is laid down.

SDO ISO: International Organization for Standardization
Document Number ISO 8066
Publication Date July 1, 2023
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 45/SC 1
Publish Date Document Id Type View
July 1, 2023 ISO 8066-4:2023 Revision