Where is the soft connection of electric stainless steel butterfly valve connected to the power supply? 3. The installation position of rubber seal ring is not fixed. It can be installed on either the butterfly plate or the valve body. It is very flexible and has its own characteristics, which can be selected by everyone.
、 2. It is recommended to use the special flange for butterfly valve, namely HGJ54-91 socket welding steel flange, for the installation of electric butterfly valve.