The air play caused by air cavity sometimes blocks up flowing of liquid such as fuel oil in marinepiping , and brings some unfavorable influence for works.
船舶管道在气囊作用下往往形成空气塞，阻碍燃油等液体的流通，对柴油机的正常工作带来不利影响。
2
The fluid pressure pulsation in water piping system reduces Marine hiding ability significantly, even leads to deterioration in operation security of the piping system.