bb2k posted a nice link to the npt specs here
http://forums.procooling.com/vbb/sho...5&pagenumber=4
I tried to find something similar for metric, but no luck yet...
Is there a 'rule' about how many turns of the teflon tape is needed to seal the barb? A plumber once told me that for water pipes is 12 - 13 full turns of tape... How many for our use? Or is it experimental?