Diaphragm pumps are widely used in the industrial field, and their maintenance skills are essential to ensure the normal operation of the equipment. The following is a summary of maintenance skills for common diaphragm pump faults:
Repair of air leakage problems
Check the seal ring : Diaphragm pump leakage is usually caused by wear or aging of the seal ring. After disassembling the pump body, check the status of the seal ring. If it is found to be worn or damaged, it needs to be replaced in time.
Check the air-driven membrane : Damage or aging of the air-driven membrane can also cause air leakage, and a new air-driven membrane needs to be replaced.
Handling low pressure or low flow
Check the feed pipe : Make sure that the feed pipe is tightly connected and there is no air leakage. If looseness or air leakage is found, the pipe needs to be re-tightened or replaced.
Check the air intake quick connector : Poor quality air intake quick connectors may reduce the air intake volume, and damaged quick connectors need to be checked and replaced.
Check the ball valve : Wear of the ball valve will cause liquid reflux, affecting the working efficiency of the pump. If a large gap is found between the ball valve and the ball seat, the ball valve needs to be replaced.
Repair of pump leakage
Check the diaphragm: Damage or aging of the diaphragm is a common cause of pump leakage, and a new diaphragm needs to be replaced.
Check the sealing surface: Wear or dirt accumulation on the pump sealing surface can also cause leakage, and the sealing surface needs to be cleaned or replaced.
Dealing with abnormal noise or vibration of the pump body
Check the installation of the diaphragm: Improper installation or damage of the diaphragm can cause abnormal noise or vibration, and the diaphragm needs to be reinstalled or replaced.
Check the inside of the pump body: Debris or dirt inside the pump body can also cause abnormal noise, and the pump body needs to be disassembled and the inside cleaned.
Solution to reduced flow or poor delivery
Check pipeline blockage: Blockage of the inlet or outlet pipeline will cause reduced flow, and the pipeline needs to be cleaned or the valve needs to be replaced.
Adjust the air drive pressure: Insufficient or too high air drive pressure will affect the flow of the pump, and it needs to be adjusted to the appropriate pressure.
Regular maintenance and care
Clean the pump body: Disassemble the pump body regularly and clean the internal parts to ensure smooth movement.
Check the seals: Check and replace worn seals regularly to ensure good sealing performance.
Check the air source pressure: Ensure that the air source pressure is stable and meets the working requirements of the pump.
Precautions for safe operation
Cut off the power and gas: Before repairing, be sure to remove the gas and power supply to ensure safe operation.
Follow the operating procedures: For those who are not familiar with maintenance operations, it is recommended to seek help from professional maintenance personnel.