ISO 3904:1990
Shipbuilding and marine structures — Clear-view screens
Shipbuilding and marine structures — Clear-view screens
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 5
- Дата публикации:
- 20 июня 1990 г.
- Издание:
- ISO IS 3904 edition 2 version 1
- ICS:
- 47.020.10
Specifies the requirements for the design and construction (including dimensions, tolerances, materials and electrical equipment) as well as the designation and installation. Cancels and replaces the first edition (1976), clauses 4.2.4, 4.5.2 and 7, and table 3 of which have been technically revised.
Abstract
Overview
ISO 3904:1990 - Shipbuilding and marine structures - Clear-view screens (rotating portholes) specifies design, construction, designation and installation requirements for rotating clear-view screens used on ships. The standard sets dimensional tolerances, material and mechanical properties, electrical equipment rules and installation criteria to ensure continuous clear vision in harsh marine weather by rotating a glass disk at high speed.
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