ISO/TC 45/SC 1/WG 2
| Projekta Nr. | ISO 8066-4:2023 |
|---|---|
| Nosaukums | <p class="MsoBodyText" style="mso-margin-bottom-alt: auto; mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho';">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.</span></p> <p class="MsoBodyText" style="mso-margin-bottom-alt: auto; mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho';">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.</span></p> |
| Reģistrācijas numurs (WIID) | 81446 |
| Darbības sfēra | <p class="MsoBodyText" style="mso-margin-bottom-alt: auto; mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho';">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.</span></p> <p class="MsoBodyText" style="mso-margin-bottom-alt: auto; mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'MS Mincho';">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.</span></p> |
| Statuss | Standarts spēkā |
| ICS grupa | 43.040.60 83.140.40 |