How to switch Jiayuguan electric metal hard seal butterfly valve manually? The small pneumatic butterfly valve can not only be installed by one person, but also is less picky when selecting the installation place. As long as we can find a place to complete our own installation at any time, not all equipment can achieve this aspect. We should clearly understand the practical problems in this aspect. It is best for us to really learn how to install equipment.
、 6. Check the connection parts to ensure the tightness of the packing and the flexible rotation of the valve rod.