1、Try best to shorten the inlet line to make the pump be near to the liquid,which can reduce the resistance.

2、Do not install the bulge pipe in the suction line,avoiding the impeller being damaged by the air resistance.

3、Please install sluice valve when the pump is irrigation pressure inputting for easy to maintenance.

4、The diameter of the suction pipe is not less than the diameter of the pump’s suction pipe,avoiding the NPSH.

5、In order to prevent the solid impurity into the pump,please install the filter net in the month of the suction pipe when the pump is beginning running.After a while,please remove the filter net to make sure the suction mouth’s unblocked.

6、Please installing the bottom valve in the end of the suction pipe to make sure the filling water in the suction pipe and pump.