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#215372 04/22/15 11:58 PM
Joined: Jul 2007
Posts: 1,335
S
Member
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?


"Live Awesome!" - Kevin Carosa
Joined: Jul 2004
Posts: 9,940
Likes: 34
G
Member
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
Joined: Dec 2002
Posts: 206
G
Member
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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