Fluorine plastic magnetic pump maintenance

Fluorine plastic magnetic pump use and maintenance 1. Startup and operation a. Clean up the equipment around the impact of equipment and safety personnel debris. b. Before driving the pump should be filled with liquid to be transported (if the pump is in the case of suction), open the inlet valve, close the outlet gate valve, connect the power. c. Turn on the power, check the steering of the pump is correct. d. Several groups of commissioning 3-6 minutes, such as five anomalies can be put into operation. f. After the long-term shutdown or pump maintenance, when driving for the first time, remove the fan cover of the motor and manually turn the car. Check whether the rotation of the fluorine-plastic magnetic pump is flexible and install the fan cover after confirming that there is no problem. 2. Normal shutdown should be the first gate valve closed, and then cut off the power. 3. Emergency stop immediately stop the motor, and then close the outlet valve and inlet valve. 4. MAINTENANCE AND MAINTENANCE a. Regularly inspect the pump and motor to replace the wearing parts. b. Long-term shutdown when not in use, should clean the pump flow channel and cut off the power. c. It is strictly forbidden to run in air. 5. OPERATING INSTRUCTIONS a. Pay attention to the pressure difference before and after the suction filter. If the pressure difference increases, it means there is foreign matter blockage on the filter. Stop the pump to clean the strainer. b. Whether the discharge volume and discharge pressure meet the specified values; c. Whether there is any abnormal sound or vibration; if there is any abnormal noise or vibration, the cavitation or excessive wear of the bearing is generally indicated. e. Fluorine plastic magnetic pump cavitation occurs: open the pump outlet valve, when the flow reaches a certain amount, a sudden sound and vibration, then continue to open the valve, if the flow does not increase, indicating cavitation. Cavitation should be carried out when the exhaust operation. Caution: The magnetic pump must not operate under cavitation. If it continues to operate in this condition, it will cause early wear of the bearing. f. Whether the current value of the motor exceeds the rated current. g. The temperature of each part of the pump is abnormal or not. h. The pressure of the nitrogen regulator system should be kept within the specified range

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