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NBN ISO 4081:2021
Rubber hoses and tubing for cooling systems for internal-combustion engines — Specification
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Summary
This International Standard specifies the requirements for straight or pre-formed rubber hoses and
tubing for use in pressurized or unpressurized cooling circuits containing 1,2-ethanediol-based
coolants in internal-combustion engines for vehicles with an unladen mass (as defined in ISO 1176)
of 3,5 t or less. In addition, this specification may also be applied as a classification system to enable
original equipment manufacturers (OEMs) to detail a “line call-out” of tests for specific applications
where these are not covered by the main types specified (see example in Annex D). In this case, the hose
or tubing would not carry any marking showing this ISO specification number but may detail the OEM’s
own identification markings as shown on their part drawings.
tubing for use in pressurized or unpressurized cooling circuits containing 1,2-ethanediol-based
coolants in internal-combustion engines for vehicles with an unladen mass (as defined in ISO 1176)
of 3,5 t or less. In addition, this specification may also be applied as a classification system to enable
original equipment manufacturers (OEMs) to detail a “line call-out” of tests for specific applications
where these are not covered by the main types specified (see example in Annex D). In this case, the hose
or tubing would not carry any marking showing this ISO specification number but may detail the OEM’s
own identification markings as shown on their part drawings.
Technical characteristics
| Publisher | Bureau de Normalisation Belge (NBN) |
| Publication Date | 05/28/2021 |
| Page Count | 22 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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28/05/2021
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