Discussion on the failure mode and elimination method of pneumatic diaphragm pump

A pneumatic diaphragm pump outlet liquid containing a large number of bubbles
1, please check whether the rupture of the diaphragm.
2, check whether the pump body and pipeline leakage.
Two. The liquid from the pneumatic diaphragm pump chamber outlet leakage
1, please check whether the rupture of the diaphragm.
2, check the diaphragm is properly installed and locked.
Three, pneumatic diaphragm pump in operation but the flow is too low
1, check whether the pump body cavitation erosion, adjust the inlet pressure of compressed air. Reduce the running speed of the pump body to adjust the viscosity and concentration of the larger liquid.
2, check whether the ball is stuck. If the delivery of the liquid and the valve ball material is not consistent. The ball valve will swell. Please replace the valve ball and valve seat.
3. Please check if the inlet duct is blocked.
Four, pneumatic diaphragm pump can not start or slow action
1, check the filter, pressure and lubrication equipment and air inlet filter is blocked.
2, check whether the valve is stuck by impurities, please remove and clean the valve, check the piston in the valve is a scratch marks. If the surface of the piston is bright and not pure, it is worn to replace the piston and the "O" ring. Marks of injury. If the surface of the piston is bright and not pure, it is worn to replace the piston and the "O" ring. Please replace the new
3, check the spindle and the "O" ring if there is a scratch, abrasion and compressed traces, if damaged please change.