แบรนด์นิวโฟล์ว เครื่องวัดการไหลแบบเวนจูรี่

The classical venturi tube consists of a straight in;et section of the same diameter as the pipeand in which the high pressure tap is located a converging conical inlet section in which the cross section of the stream decreases and the velocity increases with a consequent increase of velocity head and decrease of pressure head.