Electric flange butterfly valve common troubleshooting

1, the installation of electric flanged butterfly valve front road to confirm the performance of our products and media flow arrow is consistent with the movement conditions, and plug the valve cavity clean, does not allow the seal ring and disc with foreign particles attached, not Never close the disc before cleaning to avoid damage to the seal. 2, electric flange butterfly valve disc flange plate supporting the installation of special disc flange recommended, that is, HGJ54-91 socket welded steel flange. 3, electric flange butterfly valve installed in the pipe position, the best position for the legislation, but can not flip. 4, the use of electric flange butterfly valve need to regulate the flow, a worm gear box control. 5, open, close the number of disc valve, in about two months time, open the worm gear box cover, check the butter is normal, should maintain the right amount of butter. 6, check the connection parts of the required compression, that is, to ensure the packing seal, but also to ensure flexible stem rotation. 7, metal seal butterfly valve products are not suitable for installation at the end of the pipeline, such as must be installed at the end of the pipeline, the need to take the export flange, to prevent the backlog seal, over. 8, the valve stem to install the use of regular inspection of the valve to check the effectiveness of the use, found that the failure to be ruled out in time