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#215372 - 04/22/15 11:58 PM Sticking solenoid valve?  
sparkyinak  Offline
Member
Joined: Jul 2007
Posts: 1,313
Alaska
Trouble shooting question. On a solenoid hydraulic valve, like a Red Hat that is just a coil over an enclosed spring loaded valve. If the valve is not able to move freely when the coil is energized, will it cause the coil to draw more power since the valve is not in the normal energized position, causing the coil to work harder to try and close the valve?


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#215373 - 04/23/15 02:33 AM Re: Sticking solenoid valve? [Re: sparkyinak]  
gfretwell  Offline


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Joined: Jul 2004
Posts: 9,057
Estero,Fl,usa
If it is DC there won't be any difference at all. The difference between being "air core" and "iron core" (once the slug is pulled in) might make a difference in an AC solenoid.


Greg Fretwell

#215374 - 04/23/15 05:32 AM Re: Sticking solenoid valve? [Re: sparkyinak]  
geoff in UK  Online Content
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Joined: Dec 2002
Posts: 180
UK
Some solenoids have two windings, one to pull in which is then interrupted by an integral switch, and a lighter weight winding to hold it in. Otherwise I agree with Greg.



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