All air switches of the dosing metering pump are turned on on the PLC cabinet to check whether the instrument is displayed on site and whether the liquid level display is normal. Then to the reverse pool, it will be quantitatively opened between the outlet valves.
Read MoreHow does the metering pump adjust the pressure of the safety valve? The pressure of the metering pump safety valve can be changed within the rated working pressure area of the metering pump, and it is not allowed to exceed the maximum working pressure of the metering pump. The metering pump safety......
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