LPG Cylinder Swap
I've seen how some LPG tanks/cylinders are measured by lbs and some by gals so I wondered if there was some sort of typo or maybe I just misunderstood as I thought all cylinders were measured by lbs s...
Forum Discussion
wanderingbob wrote:
It is not all cut and dried ! The capacity of a cylinder will vary with the temperature at the fill site . Can you imagine the problems with filling a semi-truck with cylinders in New Jersey winter and trucking them to South Florida . fifteen percent expansion is not uncommon . They are trucked all over the nation . Twenty percent of the interior must be left for expansion in swap situations .
Twenty percent is left for the liquid to boil off into a gas in all standard LP tanks and cylinders. The OPD (Overfill Prevention Device) will not allow it to be filled any more than that. Temperature variations will shrink or expand that space somewhat, but there's enough safety margin to accommodate that.
