1. Before starting the installation, please use air spray to remove foreign objects on the pipe, and then clean the inner surface of the pipe with clean water.
2. Carefully check whether the use environment of the valve is consistent with its performance examples; (temperature, pressure)
3. Check whether there is debris in the valve passage and sealing surface, and remove it in real time.
4. After unpacking, the valve should be installed in real time. Do not rotate any screws or nuts on the valve at will.
5. Wafer butterfly valves must use special butterfly valve flanges.
6. The electric butterfly valve can be installed on the pipeline at any angle. For easy maintenance, do not install it upside down.
7. When installing the butterfly valve flange, you must ensure that the flange surface and the sealing rubber are aligned, and the screws are evenly tightened, and the sealing surface of the butterfly valve must be completely installed. If the screw tightening force is uneven, the rubber bumps will be stuck. The butterfly plate phenomenon or the butterfly plate of the butterfly valve can cause the valve stem to leak.
