1. After opening, the valve must be installed on time. Do not loosen valve retaining screws or nuts.
2. You can install electric butterfly valve. Connect it to the pipe at any angle. We recommend that you do not install it upside down for easy maintenance.
3. When installing the butterfly valve flange, it is necessary to ensure that the flange surface is aligned with the sealing rubber, and the screws are evenly tightened, and the sealing surface is a good fit. If the screws are tightened unevenly, the rubber will strike. Block the disc or allow the valve stem to leak onto the disc.
