How to use a percentage gauge on a high-flow, high-head multistage pump

Category: Water pump knowledge

2025-06-25

High-flow, high-head multistage pumps are important industrial equipment widely used in water supply, irrigation, and industrial circulating water systems. When using this type of pump, precise measurement and monitoring using a dial indicator are essential to ensure normal operation and extend its service life.

I. Basic Introduction to Dial Indicators

A dial indicator is a precision measuring instrument primarily used to measure the displacement and vibration of equipment. In the use of multistage pumps, dial indicators can help us detect the pump's operating status and ensure its proper functioning.

II. Steps for Using a Dial Indicator

1. Select a suitable dial indicator: Choose a dial indicator with an appropriate range and accuracy based on the characteristics of the multistage pump.

2. Install the dial indicator: Securely attach the dial indicator to an appropriate location on the multistage pump, such as the bearing or housing. Ensure the dial indicator is perpendicular to the measuring surface to obtain accurate measurements.

3. Calibrate the dial indicator: Calibrate the dial indicator using standard tools to ensure accurate measurements.

4. Begin measurement: Start the multistage pump and observe the dial indicator readings. Record the readings of the pump under different operating conditions, such as readings at different flow rates and pressures.

5. Data analysis: Compare and analyze the measured data to determine the operating status of the multistage pump. If any abnormalities are found, take immediate action.

III. Precautions

1. Pre-use inspection: Before using the dial indicator, check if it is intact and not expired. Ensure the dial indicator is in good condition.

2. Safe operation: During the measurement process, ensure personal safety and avoid contact with moving parts.

3. Regular inspection: Regularly measure the multistage pump with a dial indicator to monitor its operating status.

4. Maintenance: If the dial indicator is found to be damaged or malfunctioning, replace it immediately. At the same time, keep the multistage pump clean and perform regular maintenance.

IV. Summary

Using a dial indicator to measure high-flow, high-head multistage pumps helps us understand the pump's operating status and ensure its normal operation. In the process, selecting the appropriate dial indicator, correct installation and calibration, safe operation, regular inspection, and maintenance are all very important. Through dial indicator measurements, we can promptly identify and address potential problems, extending the service life of the multistage pump and improving production efficiency.

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