Résumé
PreviewThis document specifies the requirements for rubber or thermoplastic hoses and hose assemblies used for circulating liquid and gaseous R1234yf (tetrafluoropropene) in the air-conditioning systems of automobiles. The hoses and hose assemblies are designed in such a way as to restrict losses of refrigerant and contamination of the system. The operational temperature range is −40 °C to +125 °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 has been laid down.
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État actuel: PubliéeDate de publication: 2020-08
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Edition: 1
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| Format | Langue | |
|---|---|---|
| std 1 145 | PDF + ePub | |
| std 2 145 | Papier |
- CHF145
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