Body and cover form up the workroom of impeller. On inlet and outlet flange there are bolt holes to mount vacuum gauge and pressure gauge.

• 泵体与泵盖构成叶轮的工作室。在进出水法兰上，制有安装真空表和压力表的管螺孔。进出水法兰的下部，制有放水的管螺孔。