Control Valve Fail-Safe Positions

From: <Paul>
Date: Sun Apr 20 2003 - 11:48:00 EDT

Nice and easily understood description for the unintiated (linked at <a href="http://www.pipingdesign.com/controlvalves.html">http://www.pipingdesign.com/controlvalves.html</a>):

<a href="http://www.maintenanceresources.com/ReferenceLibrary/ControlValves/CashcoAct">http://www.maintenanceresources.com/ReferenceLibrary/ControlValves/CashcoAct</a> uatorOp.htm

Fail closed, air-to-open, etc.

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Received on Sun Apr 20 11:48:00 2003