3 way valves help ...

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3 way valves help ...
gtpunk18 avatar
gtpunk18
+1y
Edited: 11/9/2009 2:47:35 PM by twiztedmd

i  picked up a pair of 3 way valves from a  buddie and he is a stoner and cant remember how to plum them up.
 they are the  flat  block types. they have 3 ports on one side and  2 ports on the other. im trying to figure out  whick is the supply lines and which is the  feed to bag and which dumps., i fucked with them and got them to air up but not dump.  anyone got  a idea"?? picture of how they hook up?