1. Before installing the manual butterfly valve, first confirm whether the product is suitable for the working condition of the medium in the pipeline. The inside of the butterfly valve must be clean, including the sealing ring, valve shaft, and butterfly plate. Before cleaning the butterfly valve, do not close the butterfly plate to prevent damage to the sealing ring.
2. Wafer type manual butterfly valve needs to use butterfly valve special flange when installing.
3. Try to install the pipe vertically instead of upside down.4. When it is necessary to adjust the flow rate, it is recommended to use a turbo butterfly valve.
5. After installation, every part of the valve should be checked regularly during use, and faults should be eliminated in time.