1. The butterfly plate of the butterfly valve is installed in the diameter direction of the pipeline.
2. When the butterfly board is installed, the butterfly board should be stopped in the closed position.
3. The opening position should be determined according to the rotation angle of the butterfly plate.
4. For butterfly valves with bypass valves, the bypass valve should be opened before opening.
5. The installation should be carried out according to the installation instructions of the butterfly valve manufacturer. The heavy butterfly valve should be installed with a firm foundation.
