I talked with Duane and the Mac factory this morning. Duane has an Omni-turn retro fit with a Mac valve for his collet closer. His valve is a double solenoid model. The factory rep said for my application, I really did not need the double solenoid and could go with a single solenoid. ...
You need full reverse air pressure for a moment to unstick the collet on openning. I don't see how this can be done with a single solenoid. You need regulated air pressure for closing. Am I wrong??
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