ISO 9818:1991
Passenger cars — Engine cooling systems — Test methods and marking of pressure caps
Passenger cars — Engine cooling systems — Test methods and marking of pressure caps
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 4
- Дата публикации:
- 5 декабря 1991 г.
- Издание:
- ISO IS 9818 edition 1 version 1
- ICS:
- 43.060.30
Specifies test methods and a marking system for pressure caps. Annex A forms an integral part of this standard.
Abstract
Overview
ISO 9818:1991 is an international standard developed by the International Organization for Standardization (ISO) that defines test methods and a marking system for pressure caps used in engine cooling systems of passenger cars. The standard establishes uniform procedures for testing overpressure and vacuum pressure valves (pressure caps) to ensure safety, reliability, and compatibility within automobile cooling circuits. Integral to the standard is Annex A, detailing specifications for a type of valve seat used during testing.
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