Reasons for the failure of the actuator in electric control valves after 20 days of use
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The variable frequency drive of the boiler feed water pump was damaged; an electric control valve was used to regulate the water supply volume, with a regulation range of 0–15 m3/h. This valve broke after about 20 days of use. Was it due to a quality issue with the actuator itself, or was it caused by the large regulation range?
The question posed is quite vague; the parameters of the control valve were not specified in detail. Is the selection correct? It only took 20 days; the control valve should be within the warranty period, so the manufacturer can be asked to assist with diagnosis and repair.
When seeing a doctor, you need to describe your symptoms too~! Hehe
The actuator of the control valve is no longer functional; the initial selection was correct. It’s just that the frequency converter on the pump is broken, so for now the control valve is being used to regulate the flow rate of water supply
Reply to 5# buerkuaile: Why can’t it be used? Actuator alarm signal?
There is no inevitable connection between a faulty inverter and a faulty actuator. A faulty actuator may be due to operational reasons or inherent quality issues.
Is there a problem with the electric valve module, or is it the power supply?
First, identify the cause of the fault, then analyze it
Find out the common faults of electric valve actuators before making a judgment