Quote:
Originally Posted by BushTA
I've never done this, but have always wanted to try it out (like in the off season). You use a 3-position, Center closed, Solenoid Valve such as an SMC SY3340, with Flow Control elbow fittings to limit how fast the piston moves ...
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We were looking at a similar approach until last week when another thread pointed out this ruling:
http://forums.usfirst.org/showthread.php?t=16642
Our 3-position, center closed solenoid is in the mail, but we don't see a way to release all stored pressure when a single relief valve is opened, therefore making the setup illegal.