Net positive suction head (NPSH)

净正吸入压头

The tank should be designed to operate at constant level and shall be located at an elevation sufficient to provide NPSH required for pump.

搅拌机的设计可以实现连续运转的要求，安装位置留有充分高度以向水泵提供所需的软管接头与接咀直管螺纹之间的裕量。