Quote:
Originally Posted by FrankJ
You need a closed center three position valve to "lock" the cylinder. Not a typical FRC valve which are two position. And to be legal, a way that vents the cylinder with the required vent vavle.
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I know, and I believe that is what we have. I just wanted to know how they were being controlled program-wise. I was under the impression that setting them to 'off' would close both sides of the valve, but apparently not.