How much is it to install a Weifang electric wafer soft seal butterfly valve? Second, the replacement of the water supply valve with an air shutoff valve can prevent water supply interruption. In addition to the same explanation, the maintenance of the two valves should also be considered, and the other valve can be used to supply water. If the valve is air open, water supply will still be interrupted in case of failure. If the valve is changed to air close type, there will still be potential accidents.
、 (4) If the on-off butterfly valve is used outdoors, the protection of the valve rod shall be strengthened to prevent corrosion in rainy and snowy days.
