请教：Ahu room gravity drain pipe 的要求？

cz_hhh · 发表于 2013-1-18 13:13

小弟有一条船AHU room 排弦外管和其它几个普通房间的drain pipe 并成一条管，然后在机房接storm valve 排舷外，ahu房间在机房上方（main deck),船级社有以下comment:

cz_hhh · 发表于 2013-1-18 13:15

Gravity drains which terminate in spaces which are protected by fixed gas
extinguishing systems are to be fitted with means to prevent the escape of extinguishing medium.

cz_hhh · 发表于 2013-1-18 13:17

船级社要求加什么means？

cz_hhh · 发表于 2013-1-18 14:03

这样要在ahu room 的drain pipe上加止回阀？

[管系] 请教：Ahu room gravity drain pipe 的要求？