Filling Propane Tanks
Over the past few years whenever I take my propane tanks from my trailer to be filled, the person doing the filling always opened a vent on the tank valve with a screwdriver as he/she was adding propa...
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naturist wrote:The proper way to purge a tank of air when filling it for the first time is to fill the tank with an inert gas such as nitrogen. It is used to push out all the air so there will never be a volatile air gas mixture when initially filling the tank with propane for the first time.profdant139 wrote:
OK -- I am once again revealing my ignorance. I have always wondered about the venting and the screwdriver. Why is that necessary? What does it accomplish?
Thanks for enlightening me -- sorry if this is an obvious question.
The very first time a brand new tank gets filled, you have to do that in order to make sure that the air in the tank gets ejected. After that, there is no need to do the venting. Mostly it sells more propane. Not much, but more.
