What is the maximum wiring distance for a 24V-powered solenoid valve?
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Previously, I was only exposed to solenoid valves used in pneumatic on/off valves, which are powered by 24V; it doesn’t matter if the power supply cabinet is several dozen meters away from the valve at the site, as this does not affect its operation. I now want to use solenoid valves to replace pneumatic on-off valves with a diameter of DN50 or less, but when selecting the power supply, the manufacturer warned that if the wiring distance exceeds 10 meters, there may be excessive pressure loss, which could affect the operation of the valves. I’d like to ask those who have used it: Is this distance accurate?
There are electronic expansion valves in refrigeration systems and proportional control valves in hydraulic systems; aside from the fact that one receives temperature signals while the other receives flow rate signals, is there any difference in their working principles? Can they be substituted for each other?
Yes, if the distance is too great, a 220V power supply can be considered
Now the question is, what distance exactly counts as far? Based on our experience with pneumatic valves, a distance of 30–50 meters does not affect the operation of the internal solenoid valves
Haven’t you studied middle school physics? Can’t you calculate it by yourself?
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