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Old 05-13-2014, 02:02 PM   #14
willmon22   willmon22 is offline
 
Join Date: May 2014
Posts: 12
I guess it is a butterfly valve. As it is in front of the slide and it goes up if I push it and feels like it is spring loaded. But I really don't know. If I get the chance I will take a picture of it at some point.
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