Pneumatic diaphragm pump detection troubleshooting methods

First, the pneumatic diaphragm pump can not start or move slowly 1, check the Filter, pressure and lubrication devices and air inlet filter is blocked.

2, check whether the air valve stuck by impurities, please remove the valve and clean it, check whether the valve Piston scratches. If the piston surface is bright and not black, it means that worn piston and "O" rings need to be replaced. Traces of injury. If the piston surface is bright and not black, it means that worn piston and "O" rings need to be replaced. Please re-replace the new 3, check the spindle and "O" ring for scratches, wear and crushed traces, if damaged, please replace.

Second, the pneumatic diaphragm pump in operation but the flow is too low 1, check whether the pump cavity plaque, adjust the compressed air inlet pressure. Reduce the pump speed to adjust the viscosity and concentration of liquid.

2, check the valve ball is stuck. If the delivery of liquid and valve ball material does not match. The ball will be swollen Please replace the ball and seat of the suitable material.

3, please check whether the inlet pipe is blocked.

Third, liquid leakage from the gas chamber discharge port 1, please check the diaphragm is broken.

2, check the diaphragm is installed and locked properly.

Fourth, the export liquid contains a lot of bubbles 1, please check whether the rupture of the diaphragm.

2, check whether the pump body and pipeline leak.

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