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A disposable helium tank can be purchased at your local party store. They may also be available at a Club store like Cosco or Sams. They could also be found in Walmart or Target.
If it has threads on the top, you refill it like any other tank by taking it to a sporting goods store or paintball field. If it does not, then it is a disposable, and you cannot refill it.
the tank may explode
The main difference is the valve.
a tank for an aqurium
You will need a set of refrigerant gauges, a tank of refrigerant and a refrigerant scale. You will also know technical knowledge of superheat and subcool and be EPA certified.
10 years
Use a vacuum pump that pulls it into a tank.
The Germans used the PanzerFaust (tank fist). It was a disposable anti tank weapon.
Tanks marked DOT 4BA
multiple choice: A: It rises B: It falls C: It remains constant D: It rises slightly, then remains constant. The answer is B The Vapor leaving the refrigerant tank is replaced by the liquid that boils off into vapor as the vapor being charged leaves the tank. The liquid saturation temperature drops as liquid boils to vapor. Example; The frost on a propane tank when you BBQ or use alot of propane for ???.
25 Balloons (Approx.)(I might be wrong as I am not sure)