How to refill a gas can from a large propane tank

Portable burners and camping stoves operate from a small disposable gas cylinder, which is clearly overpriced compared to the prices of propane at regular gas stations. In this regard, you can save a lot by refilling such cans from a large propane cylinder through a homemade adapter.
How to refill a gas can from a large propane tank

Materials:


  • fitting for a propane tank;
  • hose;
  • portable gas burner with a collet connection without electric ignition;
  • 2 clamps.

How to assemble and use the adapter for refilling a cylinder


A special nut with a left-hand thread with a fitting for a thin hose is installed on the propane cylinder. This part can be purchased at a hardware store or turned on a lathe.
How to refill a gas can from a large propane tank

Next, a short hose with a part from a gas burner without electric ignition attached to the second end is installed on the fitting.
How to refill a gas can from a large propane tank

How to refill a gas can from a large propane tank

From it only a collet connection is used to fix the can, a faucet and part of the gas pipeline tube. The nozzle itself is cut off. Clamps must be placed on the hose.
To refill the canister, you must first completely release the remaining gas mixture from it.
How to refill a gas can from a large propane tank

To do this, just press its fitting with a screwdriver. In this case, you need to stop in time as soon as the gas stops coming out, so that air does not get inside.
Then a large propane cylinder, preferably previously heated in the sun to increase pressure, is placed lying down. In this position, propane will be supplied through the adapter in a liquid rather than gaseous state.
Before refueling, you need to weigh the empty can and see on it what weight of gas it is designed for. This will allow you to control the filling so as not to overfill it with propane. Typically the can holds 220 grams. gas Its final weight after refueling should be equal to the sum of the actual empty weight plus 220 g. propane.
On a large cylinder with an adapter installed, the valve opens. Next, you need to open the tap on the sawn burner for a second to remove air from the system. After this, a spray can is installed on the adapter, and its valve opens completely.
How to refill a gas can from a large propane tank

When refilling, it is better to turn the canister upside down, in which case the gas inside it will evaporate less and more of it will fit. When you feel that the cylinder has become heavy, you need to stop, disconnect it and weigh it. Based on the mass, you can understand whether it is filled to the required maximum or not yet.
If the can is not full, it should be cooled. In this case, the propane inside will become liquid and will take up less space, which will allow you to pump more. To do this, you can put the can in the refrigerator or simply press down its fitting to release some gas.When it comes out, it will cool the canister, and the propane remaining inside will become liquid.
How to refill a gas can from a large propane tank

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Comments (18)
  1. Freezing
    #1 Freezing Guests 29 January 2020 19:51
    3
    Before refilling, keep the small bottle in the freezer and cool it.
  2. Michael
    #2 Michael Guests 29 January 2020 20:27
    5
    A simple aluminum plug for propane with a hole for a spray can will be faster and cheaper
  3. Guest Vasily
    #3 Guest Vasily Guests 29 January 2020 22:36
    2
    Domestic gas in such cans CANNOT be filled to more than 2/3 of the mass, that is, no more than 150/160 grams, and it is better to control the filling on the scales.
  4. Guest Igor
    #4 Guest Igor Guests 30 January 2020 13:53
    6
    Not everyone has “skillful hands”; It is very DANGEROUS to give such instructions!
    The consequences are known...
    1. Well
      #5 Well Guests 30 January 2020 14:16
      13
      They are not required to be repeated! For some, it’s dangerous to use scissors, if not yourself, they’ll stab a friend to death...
  5. John
    #6 John Guests 30 January 2020 19:38
    3
    and then they put out the fire in the garages)
  6. Fedya
    #7 Fedya Guests February 4, 2020 03:22
    1
    warm up the balloon with the sun's rays. Yes...
  7. Guest Victor
    #8 Guest Victor Guests 4 February 2020 13:42
    6
    feel that the cylinder has become heavier. They feel something in something. And the pressure in the cylinder is 16 atm. It explodes. Then you will have feelings! You have to hold the cylinder in your hands. FEEL!!!
  8. Michael
    #9 Michael Guests 4 February 2020 22:34
    4
    And what is the calorie content of propane compared to the gas that was filled into the can? How long will this refill last?
  9. Well
    #10 Well Guests 7 February 2020 20:30
    5
    Yes, everything is safe if you do it normally.
  10. Lee-Hong
    #11 Lee-Hong Guests 14 February 2020 08:55
    5
    There was a case with an experienced gas tanker, on the third floor of a high-rise building, he was carried out of the apartment through the balcony along with a reinforced concrete balcony slab, all the blankets, pillows, personal belongings! DO NOT REFUEL! SPEND IT! DON'T BE GRIGGER!
    1. LEE-HonG
      #12 LEE-HonG Guests 15 February 2020 15:08
      1
      LEE you won't earn all the money))))