My experience is that it is VERY HARD to overfill one of the disposable tanks from a 20# tank. I also used a scale and did it by weight at first. I found that I could get nowhere near the rated weight of propane in the tank unless I froze the tank first. Even then I repeatedly tested weight and got less than rated weight. I finally stopped weighing. NOTE: my tank refill gadget is home brew I got years ago "from a guy." The ones commercially available now may fill the small tank faster or something so that it gets fuller. I am pretty sure it is illegal to transport the refilled disposable tank. Overfilled tanks: I was once at a festival in a public park and there were food trailers there. The 100# tank on one of those vented. Let me tell you that was scary. A huge plume of white vapor shot out about 20' for about 45 seconds. People were startled but knowing what was happening, I was pretty terrified and started getting the heck away. The smell of propane lingered strong for 10 or 15 minutes. I found some cops and told them, by that time it had stopped, they kind of shrugged and said thanks. Good thing there was no source of ignition... Edward At 12:03 PM 4/29/2012, Tom Hargrave wrote: >Coutney, > >You refill the green 1 lb cylinders? You need to understand how >DANGEROUS this is. Those cylinders are filled by weight & not volume >and when filled with liquid they are never 100% full. > >You can easily over fill one and a over filled 1 lb cylinder will >rupture when it gets hot! > >Thanks, Tom Hargrave |
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