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Very little. When using propane the liquid is constantly being converted to the vapor that is used. When the liquid that weighs $.24 pounds per gallon is gone the vapor will last only a short time.

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11y ago
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6mo ago

Yes, pressure in a propane tank without propane still has weight. Pressure is the force exerted per unit area, and it does have a measurable weight. However, the weight of the pressure alone may not be significant compared to the weight of the tank itself.

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Q: Does PRESSURE in a propane tank without propane have any weight?
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How do you tell when propane bottle nears empty?

All propane cylinders will have a TW stamped in the valve protection ring. The tare weight or TW is the weight of the cylinder empty. TW 18 would be a 18 pound empty cylinder. If you weigh a TW 18 cylinder on a bathroom scale, and it weighs 28 pounds there would be 10 pounds of propane remaining in the cylinder.


What is the psi on a 20 lb propane tank?

The pressure inside a propane tank depends on the ambient temperature of the tank and if Liquid Propane Gas (LPG) is present inside the tank. It has nothing to do with the size of the tank. A 20 lb tank that is not more than 80% full, in an 100 degree F environment, with LPG in it, will have approximately 172 PSIG, just as a 200 lb that is not more than 80% full, in an 100 degree F environment, with LPG in it, will have approximately 172 PSIG. Examples are: A tank with LPG (no more than 80% full) at 80 degree F with have 128 PSIG, 60 degree F with have 92 PSIG, 30 degree F with have 51 PSIG, and -20 degree F with have 11 PSIG. This explains the decrease in pressure as you use a large amount of propane from a tank quickly. The tank cools due to the venture effect which drops the temperature of the LPG. The drop in temperature results in a drop in pressure. When the tank warms up, as long as Liquid Propane Gas is still present the pressure will go up. (For a more detailed chart go to http:/www.propanecarbs.com/propane.html )


How long does a 16 oz propane tank last?

About 120psi for a 16 oz propane tank


If your propane tank was at 40 percent and the propane company filled your tank to 80 percent how many gallons did they put in your tank?

3


Where can one find information about propane tank services?

Information about propane tank services can be found at SIS Propane, Propane 101, Temp Heat, Sparlings, Eagle Propane, Natural Handyman and True Point.

Related questions

How much pressure in a 30 lb propane tank?

You cannot use output pressure to tell how full a tank is. The pressure will remain constant until it's just about out of propane. You can use weight, if you know how much it weighs when empty, and when full - then it's just simple math.


Does a large propane tank have more pressure than a small propane tank?

No, and that's exactly the reason for making it larger ... in order to be able to carry more propane around at the same pressure as the small tank, or maybe even somewhat less pressure.


Is there any way to pressurize a propane tank that is still full of propane but has lost its pressure?

If there is propane in the tank there will be pressue. It can't lose its pressure. If one has a propane tank that has "lost its pressure" even though there is propane in the tank, there is almost certainly a problem with the valve (assuming the individual attempting to use the tank knows how). There is an overfill valve inside the tank. It is a component entirely separate from the external valve that a user controls. Let a propane company sort it out. They're the experts, and they want you to come in so they can help. They live for stuff like this because they are professionals.


A gas barbecue grill uses propane gas The propane is stored in a rigid tank what happens to the pressure of the propane when the tank is left outside on a very hot summer day-?

Based on Charles's Law,when the temperature of a gas increases, so does the volume.


What is a gas grill regulator?

AnswerThe regulator forces the gas from the propane tank to maintain a constant discharge pressure-regardless of the level of propane in the tankA regulator does not force gas from a tank. It merely regulates the amount of pressure from the tank.


How much does liquid propane tank 120 gallon tank weight?

400 pounds


What is the full weight of a 30 pound propane tank?

. . . . 30 pounds


How can you convince people that propane is gas at room temperature?

Keep in mind that propane is a gas a room temperature only if the pressure is low - for instance, normal atmospheric pressure. Propane in a pressurized tank (such as a barbeque tank, or a fork lift truck fuel tank) is usually liquid even though it is at room temperature, and is then referred to as LPG or Liquified Propane Gas. It becomes a gas instantly upon being released from the tank or cylinder.


Does a standard gas grill propane tank weigh 20 pounds or does the propane weigh 20 pounds?

20# tanks holds up to 20 #s of propane. The tank weight itself is designated as TW on the tank collar (usually 17-19 lbs)


Do all propane tanks have a relief valve?

Propane tanks are required to have a safety relief valve. The relief valve is a safety device on the propane tank to vent excess pressure.


How many pounds of propane are in a 100 pound bottle?

"A standard 100 lb propane bottle contains 90 litres of propane. " http://www.uniongas.com/business/otherci/techsol/heating/constructionheat/conHeatCostComp.asp


Is it safe to eat with expired propane tank?

It is safe to use an expired propane tank because it is a heat source and not an actual food. The only concern is if the tank is still safe to use without a risk of combusting.