12v vs. 24v solenoid valves

Forums General Questions and Comments 12v vs. 24v solenoid valves

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    • #5983 Reply
      Dennis
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      I am getting back into water drops after nearly 2 years off. My setup has used 12v dc solenoid valves, but in reviewing info, I see you have switched to 24v valves. Is there any specific advantage to using 24v valves vs 12v ?? I am using Airtac valves as you recommended a couple of years ago and did not want to have to reconfigure my circuitry from what I have already setup. I also am still using an octocoupler driving a relay to provide the on/off for the drop valves. Is there any advantage to using a MOSFET for that purpose rather than my octocoupler/relay ?

    • #6001 Reply
      Martyn
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      Edited:

      24V valves operate on a lower current so things like power supplies with a lower capacity can be used.
      24V technically operate (open) faster (partially due to the lower current) but for water drops I doubt you will notice the difference.

      Why did I switch to 24V?
      I had accumulated a lot of different power supplies and valves. When my main 12v power supply died I decided to settle on 24v and sorted out the equipment I was using; get rid of some of the 12v parts, upgrade others such as changing the 12v coils to 24v coils on my favourite 12v valves.

      Mosfets Vs relays
      Mosfets are much faster than relays and I wouldn’t normally recommend using relays, however, if you are happy with the results there is no reason to stop using them.

      • This reply was modified 6 months, 1 week ago by Martyn.
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