一、概述

快开阀包括气动快开阀、液动快开阀，适用于船舶淡水、燃油、滑油、柴油等管路。平时，可以用手轮开闭快开阀，作为普通截止阀适用;

紧急情况下，能远程通过气压或液压迅速打开快开阀。

Quick-openning valves include Air- actuated quick- openning valve and Hydraulic quick- openning valua. They're used for marine

F. W.,F.O.,D.O.,ect.They value may be used as shut- off valuenormally and can be opened & closed by hand whell just like shut-off

value.In case of emergency action can be made by either air- actuated or hydraulic to open value immediately.

二、基数参数按表1

三、标记示例

四、结构尺寸