This is the air-actuated poppet valve that will serve as the ballast tank blow vent. 这是空气驱动锥阀将充当压载水舱的打击,发泄。
Safety valve along with its outlet piping and downstream piping of such valves as steam blow off valve, vent and drain valve, shall not be not insulated, unless otherwise specified. 安全阀随着其出口管道与下游管道的阀门,如作为蒸汽打击小康阀,通风口和排水阀门,不得有不绝缘,除非另有说明。
The blower to blow air to bag for option, contain air vent. ◎可附BLOWER吹袋充气,并附透气孔排气装置。