The Badger Posted December 8, 2009 Share Posted December 8, 2009 Building my compressed air system, need to find a 12v Solenoid that will turn my compressor off at 140 psi. Any suggestions? Quote Link to comment Share on other sites More sharing options...
errol209 Posted December 8, 2009 Share Posted December 8, 2009 Building my compressed air system, need to find a 12v Solenoid that will turn my compressor off at 140 psi. Any suggestions? You need a pressure switch (top two items on page). These will also switch the compressor on when the pressure falls. Quote Link to comment Share on other sites More sharing options...
The Badger Posted December 8, 2009 Author Share Posted December 8, 2009 That's it, cheers for this sorted. Found a nice spot for my fittings - Here Quote Link to comment Share on other sites More sharing options...
SteveG Posted December 8, 2009 Share Posted December 8, 2009 Go for item 3 with relay built in as it's much simpler and cheaper too. If you are planning on fitting ARB diff locks in future go for first option of 85 on 105 off. Less capacity in tank but you can run ARB air line straight from tank. Steve Quote Link to comment Share on other sites More sharing options...
zim Posted December 8, 2009 Share Posted December 8, 2009 Go for item 3 with relay built in as it's much simpler and cheaper too. If you are planning on fitting ARB diff locks in future go for first option of 85 on 105 off. Less capacity in tank but you can run ARB air line straight from tank. Steve or as in my system. have the air tank operating at a high'ish pressure (say 90 on, 120off) then run one of the outlets through a little regulator where you can turn it down to about 60psi for any air actuation (rams, diff's etc) but it means that if you want to pump up a tyre you've still got 120psi to do this with if you use another outlet G Quote Link to comment Share on other sites More sharing options...
SteveG Posted December 8, 2009 Share Posted December 8, 2009 I had my tank initially at 150psi and found on my set-up that compressor was cutting in on the first tyre. So with three more to do, having the tank at 150psi wasn't that much of a benefit. Hence the change to the lower pressure valve to simplify it. Quote Link to comment Share on other sites More sharing options...
zim Posted December 8, 2009 Share Posted December 8, 2009 Fair enough... but it does give time for the compressor to fill up the tank in between uses as such and give you a bit of a headstart next time used. But i agree, you can only use what you've made (compressed air). G Edit : i do have a twin pump t-max as well. Quote Link to comment Share on other sites More sharing options...
mickeyw Posted December 8, 2009 Share Posted December 8, 2009 I used one of these for my on-board air system. It allows to pipes from the compressor to this switch to be depressurised when not in use. That's the 'pssshh' noise you get when a garage compressor cuts out. Quote Link to comment Share on other sites More sharing options...
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