Zibo electric lining PTFE wafer butterfly valve control schematic diagram how to do? (11) If the valve needs to be exposed to the atmosphere for a long time, the processing surface needs to be coated with anti rust oil for protection.
、 Since the electric three-way ball valve has different types of designs, it is for everyone to buy according to their needs. The price will be more expensive due to more natural functions. For large buildings or construction content, it is also necessary to consider the cost and profit. Therefore, if you decide that the design is not needed, you should not buy the design with too many functions, otherwise it is a waste.
