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呼吸閥/阻火器

呼吸閥/阻火器

呼吸閥是由壓力閥和真空閥組成,是安裝于貨油艙透氣管上,能隨貨油艙內油氣正負壓變化而自動啟閉,使貨油艙內外氣壓差保持在允許值范圍內的閥。阻火器是用來阻止易燃氣體和易燃液體蒸汽的火焰蔓延的安全裝置。一般安裝在輸送可燃氣體的管道中,或者通風的槽罐上,阻止傳播火焰通過的裝置。

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