How to CORRECTLY Refill Iso Pro Fuel Canisters
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- เผยแพร่เมื่อ 11 ก.ค. 2021
- #refill #lpg #gas
In this video I'll show you how to re-fill iso pro fuel canisters. Enjoy!
Jeebel Camp G007 Butane Fuel Canister Refill Adapter:
www.amazon.com/Jeebel-Camp-Bu...
G-WORKS Gas Saver Plus:
www.amazon.com/Plus-Canister-...
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There is no need to drain the fuel canister to zero before you refill it. If there is no liquid in it....it is empty. You just released potentially explosive gas into the room you are in. I would never refill canisters indoors. Before the filling operation, place the canister to be filled in the freezer for 10 to 20 minutes and be sure the full vessel is in a warm place....no more than 85F or so. The temperature difference will create the pressure difference you need to effect the transfer. If you " purge" the receiving canister, you are just wasting fuel. There is no air, only gas or liquid fuel. I agree with you on the weight aspect to keep from overfilling the vessel. If you overfill the vessel, why not discharge the surplus into the next vessel to be filled? To be safe in one aspect then be lax in another is dangerous. The ruptured and bulged vessels you displayed are evidence of extreme danger scenarios. To survive those unscathed is remarkable. One little spark in either would yield a very bad result. Liquid fuel will also burn you as it is super cold. Just my observations. Thanks for sharing.
bro they’re meant to be refueled in the field i think it’s gonna be okay temp isn’t gonna be that huge, but yeah he probably should do it outside
@@01Parzival Refilled in the field, doesnt make any sense.
This is new age for you. He might have even cried a little while writing that….
I'm so glad you took the time to write all that so I don't have to. But I have a feeling it's fallen on deaf ears for the most part. These are the people who think this device is for use "in the field" and have zero understanding of Dalton's law and how it can be used to benefit what they're trying to do.
I was just dumbfounded while he was venting the gas off and calling it "air". It made no sense whatsoever.
"You'll feel the smaller container is colder to the touch now"...
Its working but he has no idea WHY it's working. By venting the one vessel he's artificially super-cooling it... similar effect to putting it in the freezer for 10 minutes. Except he's wasting gobs of gas to accomplish it; then once the can is cold it'll draw in more of the dense fluid during fill.
Technically...if I'm thinking about this right... he'd *have* to vent it to the atmosphere (or...room, in his case...smh) to get it to super-cool. If you drained it into an empty cylinder, the cooling would stop as soon as the pressures equalized. In the room the pressure is a rough constant he's not going to be changing. It'll just keep taking more vent gas, allowing the expelling canister to cool.
But it's so incredibly wasteful, for the life of me I can't imagine doing that since the very device he made the video about would allow that to NOT happen when used correctly.
@@01Parzival bro, Who told you that they're "meant to be refueled "in the field"? Cuz they lied to you.
It's the temp differential that you want to create to transfer the more dense fluid.
But lets step back to the "in the field" bit. I'm assuming you made that up yourself out of thin air, because you don't have a clue what any of this stuff is actually *for* but that's not stopping you from commenting and acting authoritative. (unfortunately)
You get home from a hike with a small canister that got used up. You put it in the freezer and let the full/more-full one warm slightly.... then you let Dalton's law assist you in transferring as much of the fluid as possible, to the target weight. So you can keep re-using your smaller canisters without having to buy new ones every time you use one up or use it down low. The larger canisters are usually cheaper per oz of gas than the smaller ones.
But in your version.... you take both the big full one and the smaller one, use the smaller one (or two the same size???), then use this device to refill it in the most wasteful manner possible... why? If you've already got the bigger one, just screw the damn stove onto it and use it Cletus!! Duh! It's a more stable base for the stove anyway.
You saw the picture on Amazon and figured the person who made the advertisement picture must be the person who had it figured out, huh? That dude using this device while the girl in the tent watches as her man gallantly ....does nothing useful whatsoever when he could be handing her the good cylinder to do some cooking with.
You're the epitome of that guy. You're in the picture but you have no idea why you're doing what you're doing; because you're not actually doing it, you're just acting like you are.
And it shows.
Much easier to think it through first, but you do you. Bro.
Instead of venting to cool the canister, cool the canister by putting it in the freezer.
You're not venting air either.
Vent button is so that air in the valve has been expelled.
As a physicist this hurts
I didn’t know that this could be done? Propane yes, Isobutane no. This why I like this channel. Thanks Skeet!
When you vent you are only venting flammable gas, not air. There is no air in the fuel. Venting gas comes from boiling the liquid inside. Boiling takes energy, which cools the remaining liquid, lowering its vapor pressure. Better, and much safer, and less wasteful, to simply cool the receiving canister and warm the sending canister to create the necessary pressure differential.
The pressure in the receiving canister increases since you are adding material to a fixed volume, which can only increase the pressure. There are nuances in this - how much of the liquid from the sending canister initially vaporizes when it enters the lower pressure receiving canister, but it is generally true.
I’m not so sure you’ll ever have air inside of these cans. As they’re (under normal conditions) always above air pressure there’s no way for air to get in.
However, you’re dealing with gas that’s boiling and condensing. And that means that the emptying (boiling) part cools while the receiving end heats up. And that can equalise the pressure so that no more gas ends up in the receiving can.
So a much less wasteful way to do it is to put the receiving can in the freezer. Repeatedly if needed, but you can just as well put it there for a good long time to really freeze it up.
Thanks for the tip on these cans being made for different pressure levels, though. That’s really important. I’m sure they use different gas mixes as well, so weight is only part of the equation. So to be on the safe side you don’t want to mix across brands. But weighing the cans is at least an approximation.
use dry ice to cool the canister better than just ice
@@kayoray If you have, then sure!
Had to look it up, and…
Not quite enough to freeze the gas solid but reaching down to -78 Celsius it should be enough to turn even propane into liquid at atmospheric pressure. Not bad at all. .
Way back when I played paintball, they would put a small amount of CO2 in the tank and release it to cool the bottle so the remaining CO2 would better go in. So yeah, what you say makes sense to me.
I was thinking the same thing where the air would come from.
Super helpful video - especially the point about the bleeding air out and how to do it. Thanks for posting!
Thank you
Gas exchange between the two canisters is based in the Ideal Gas Law: PV = nRT…..put the receiving canister into the freezer. This causes the T on the right side of the equation to be lowered. Therefore, the PV side must be lowered too for the equation to remain equal. The V (volume) is constant ie canister size so what must change is the P (pressure), meaning the pressure inside the canister is lower when really cold. So now, since the receiving canister is at a much lower pressure than the donating canister, and because gas flows from high to low pressure, there won’t be an issue with the flow between the two canisters in the direction required, even if you take the receiving canister off periodically to check its weight. It seems a bit scary to be bleeding gas, as you show here, into an enclosed room. I always do this sort of thing outside and with safety glasses on.
Hi, thanks for explaining. Do you need to put the receiving canister into a freezer or putting it into a fridge is sufficient?
@@user-qn8fi4nc9i into the freezer to make it really cold and to maximize the temperature differential. When filling, some people also place the sending canister in warm water to help with the transfer but I’ve not needed to do that.
@@wanderworm got it, thanks!
I do like this video. Thanks for the information on safety.
Great instructional video! Keep up the great work
Nice video 👍 hope Lott's of people watched this thanks
Very interesting and very helpful for the future.🇺🇸
Thank you for your wisdom like always..
Thank you for sharing the facts and details brother
Thank you for sharing!
Very good tips thanks.
I have learned something today my friend
Excellent video. Thanks
Most helpful..thanks for sharing the information...
Great informational video , thanks for sharing , God bless !
Thanks for watching! Blessings to you!
Cool process
Thanks so much!
Excellent video!
Great explanations and breakdown on how and why you do things the way you do.
I’m new to refils and have the big body valve with the bleeder button.
I now know how to use it and how to transfer fuel both ways to accurately refill my canisters.
Thank you.
Hi from Syracuse NY brother
I really should start weighing mine. I usually just freeze the receiving can and put it on bottom with bigger can on top. Seems to work fine.
I honestly didn’t know you could do this lol 😂
It's effective!
The thing I don't understand about the MSR brand of canisters is why the use a paint color that even when brand new, they look like they have been laying out in the weather for two years...
A couple notes.
1. For cold weather use you need to get a canister that has a propane/butane mix. So if refilling and plan to use in cold weather you will want to get one of the propane adapters and add some propage to your mix.
2. In gas welding and propane tanks etc they warn you not to use any petroleum oils etc to lube threads. Apparently it is an explosion hazard. I think I'd stay away from using the oil. Perhaps a silicone lube?
I’m thinking petroleum oils may degrade seals. That could lead to dangerous leaks (eg in your car on the way to the trail). Hard to say if we don’t know what the seals are made of. You want something that’s compatible. I’m thinking mineral oil may be preferred, but not sure.
Hi nice info on video , I'm wondering what type of oil your using after filling canister as some oil can perish the o ring seal as I've learned. Apparently silicone oil will not rot the rubber seal. Also other videos state to freeze canister prior to filling what's your thoughts on that. Cheers Scott
So is this actually worth buying larger canisters of the same brand to refill smaller canisters or do the losses make this simply uneconomical?
Yes, the larger ones are cheaper per ounce generally. It’s nice to be able to refill a small one. Sometimes you’re only going to be out for a couple of days and this allows you to carry a small one in your pack, keeping your way down.
Butane is cheaper than isobutane and it is less stressful on the can itself. The only downside is it doesn't work in cold weather, but if you're above freezing you should be okay with 100% butane.
Can you refill with butane a isopro canister?
You're not doing it right. You should put the bottle you are going to refill in the freezer first for 30min.
The canister is lightweight and having little mass. Putting in the freezer dont do much, but if you fill e.g. half first, then put it in the freezer - or in some other way holding the receiving canister cold during filling.
Great demo video. Really clear and precise. 👍
This is great if filling from larger iso canisters. Many folks including myself are trying to refill from the far lower priced Butane canisters, using the non-threaded adapters.
I was getting nowhere with that, even after freezing the receiving canisters and when I saw this video showing how to purge the air from the receiving canister I thought that might be the trick I was missing, so I just tried it. Unfortunately same thing. I purged the receiving canister until nothing came out of it then used the non-threaded adapter and pressed the Butane canister down on it. Butane exhausted around the adapter until I had it seated properly, then it 'sounded like' it was working,. Alas however, after 5 minutes of holding the two firmly connected ....there was no change in the weight of the receiving canister and the source canister of Butane was still full. I have about 10 cans I'd like to refill but am just totally scratching my head on how to do it.
Why even bother, just use an adapter
The thing is the flat butane cans have a pickup tube, tilt the can 45deg with the tab facing down, keeps warming the donor can with warm water
@@daijoubu4529 thx. but if there is a pickup tube inside, how would you know where it is so that you could tilt the can with it on the low side??
@@jjaylad The notch is the top side 2.bp.blogspot.com/-tjEVnRXg9Ew/TxT7E7_r0yI/AAAAAAAACic/UdTbr9zpWs8/s512/ButaneCanisterValve.jpg
I see a lot of wasted fuel not air be released from the lower can.
OK. Real good video and thanks. Now tell me what will help me and other thru hikers as this flipfluel gadget is billed as something that will help hikers on the trail. HOW am I supposed to do this when I am on the trail?
This is an excellent question and thank you for the kind words and support that you get my channel. When I'm out on a hike or something I don't take the scale and weigh anything . I just use a little bit of common sense and I don't overfill the chemisters. When you push the relief button and if you see liquid come out don't put any more in. It's that canister first.
Yoy do the job on home before you go!!!
Thanks for the video, very informative! Can I refill the iso-butane canisters with propane? Is overfill an issue? Thank you!
DO NOT REFILL BOUTANE CANISTER WITH PROPANE
BOUTANE CANISTER IS NOT VERU STRONG
No and yes
I used to get the straight butane and refill the camping ones. Then I got lazy and started jus using the straight cans.
That sounds like me! Hope you're doing good bro! :-)
Old used oil? That is contaminated with combustion byproducts.
Very American that when you have fuel canisters that list weight in grams, you'll still default to ounces.
Thank you for your time and effort but that is not the correct way.
No need to bleed the air off.
Simply chill the bottom canister your are refilling to reduce the pressure and warm the top canister to increase the pressure resulting in the top canister forcing it in the bottom chilled canister.
can we used lpg gas from home to refill these (using domestic gas cylinder)
Net Weight = fuel only
Gross Weight = fuel + canister
Does the oil not damage the rubber O-rings? Or are they not rubber? 🤔
Most probably synthetic nitrile
what is the refill fuel you are using?
I can smell this video
I tried refilling my canister and I heard it transferring but I was smelling fuel. Is that normal or does that mean I have a leak?
does it important which one have to be on the top?
Yes, the full canister needs to be on the top
I need some help. I followed all the steps. freeze the green can. 20 bottle in the sun. turn upside down. Result. Green can weighed less after my attempt. Ideas?
The green can isn't filling because the air needs to be taken out to get liquid fuel in
How did those damaged cans end up in that state? Chucked them in a campfire?
Excellent. Finally something that works. To everyone that says put it in the freezer. That is completely unnecessary. Letting the pressure out filled the tanks just the same. If it works it works 🤷♂️ Thank you for doing the video. It helped tremendously.
I hope you know that oil degrades natural rubber.
May i ask if these small canisters can be refilled with propane although they are butane canisters...does it matters which gas you fill in?...propane or butane...can i refil a butane canister with propane?
It's not a good idea to fill a butane canister with propane. The vapor pressure of propane is about 4x the vapor pressure of butane. That's why propane canisters are so much thicker and heavier.
DO NOT REFILL BOUTANE CANISTER WITH PROPANE
BOUTANE CANISTER IS NOT VERU STRONG
Reduction of air your also reduced valve pressure and more risk implosive between cold tank and hot stove on top ...... please dont recommend release air
Hi,
Have you tried to transfer 80% Butane plus 20% Propane?
I did it . My Stove works without any problems at -15C
just a thought ,engine oil rots rubber seals.
Many of these canister have a blend of butane to propane and is a propriety mix. 100% butane at 70 f is 17 psi and propane is 110 psi, at 110 f, butane is 47 psi and propane 204 psi. The bulging or rupturing of canister is a result of too high propane mixture to butane and may seem safe at room temperature but will cause canister to bulge at higher temperatures. I estimate the maximum mixture of 30% propane to 70% butane is the optimum for cold weather operation while staying under that maximum bulging pressures when at higher temperatures. If in doubt about the safety just use straight butane and expect poor performance at cooler temperatures.
I love your videos but Im not sure I follow your technique of releasing gas from the receiving cannister between fills......if liquid is in the receiving can ....the moment the internal pressure is released the gas starts boiling and will continue to produce gas until it is spent.....you cant release vapor pressure and leave the liquid.....
Where would the air come from may i ask???????????
Are you in ga?
No
seems like you're venting air/gas mix, not pure air. drop of oil is a great idea though.
Have you ever refilled with propane instead of iso butane.....the only reason I can think of not to is pressure difference in iso butane and propane.......I would think the can has a certain safety factor for pressure built into the can plus no over fill and not storing in excessive heat......I know the cans have a safety relief valve but I would like to have your opinion......? Also loved your videos on the Svea stove......are all of those able to burn low octane gasoline....that would be a big help in a pinch....?
DO NOT REFILL BOUTANE CANISTER WITH PROPANE
BOUTANE CANISTER IS NOT VERY STRONG
DO NOT REFILL BOUTANE CANISTER WITH PROPANE
BOUTANE CANISTER IS NOT VERU STRONG
Don't mix fuel types
@@toadevergreen2561 Iso butane is a mix of propane and butane....
No smoking
What could go wrong? 😎
Can you fill a butane canister with propane?
NO! Propane is at higher pressure, isobutane canister can take 20% or so propane
DO NOT REFILL BOUTANE CANISTER WITH PROPANE
BOUTANE CANISTER IS NOT VERU STRONG
why would you put some back?
oil damage o ring for long time
too bad the cans dont have a pressure valve like the 1lb propane bottles do for safety
link to scale
HAHAHAHAHAHA *"CORRECTLY"* HAHAHAHAHAHAHAHA
Definitely don’t do this inside or vent gas like this ‼️ Lots of other comments here mention the correct methods…
There's so much wrong in this video when the title says the correct way 😳
so whats the point of all the weighing if you cant overfill it and it just equalizes? lol
Equalize ptessure, yes,but with the same pressure i can have 1) 300ml boutane or 2) 350ml boutane.
The pressure is the same, but it is nesesary to be space , so the boutane can expant , so i fill with 300ml, not 350.
The pressure is the same because while i add boutane, the same time the vapors (of the space off top), transformed in liquid, (whith less volume), and the pressure remain the same (iff the temberature is the same).
(i don't speak Enhlish )
So when we speak about we don't speak about pressure (is the same), but we speak about volume, or mas of boutane)
Thear is a litlle problem hear, because most people understant the , only abaout pressure, and not abaout mas of the material
I think you need hearing aids… I could hear gas leaking throughout the video and you never knew it. At least I hope you didn’t….
This is a really bad idea. You will be transferring liquid from the tank on top to the bottom. Transfer too much and the expansion of the liquid can force the tank to fail. Not good. Yes, it could be done correctly by doing it in steps and weighing the tank each time but why bother. Then we wind up with a collect of the upper tanks which we have to deal with when they become empty. True if we use the bigger tank it's less of a problem. It just makes more sense to standardize on the middle size tank and dispose of them. Always take 2 banks and run them empty. For those who do this, weight the tank and make sure you get it right.
Yes, but 1)the biger canister is not expencive
2) if i have 2 canister 50%, and i want to take with me only one, i have to refill one
How can you overfill these? The pressures in each bottle are the same when full, regardless of size. The pressure just equalizes between the two bottles. How can that overfill? Edit: you finally say exactly this. So why all that talk about different sizes cans and overfilling?
the liquefied gas expands as its temperature rises, a gaseous space within the container must be maintained, allowing the liquid to expand within the container
@@philiptong4978 so what?
if liquid expands and there is no space inside the container, it ruptures and release the highly flammable gas to the atmosphere, at a certain concentration the environment becomes explosive
@@philiptong4978 what are you talking about? It can't overpressure by connecting to another canister. It can only reach the same pressure as the other container, when they equalize. That's the point.
some liquid also expands when solidify by cooling, water is an example
fill completely a plastic soda bottle with water, close cap tightly and freeze it, check what happens to the bottle after water becomes ice
I have a question, Can you fill these Canister with propane??? thanks @jiujitsu2000
hint:
lookup vapour pressure of propane, butane, mixture of propane and iso-butane under different temperature
do realize every canister brand employ slightly different mix and impurity level
lookup EN417 standards that the canister comply with (use as a guideline only)
hopefully you will understand
DO NOT REFILL BOUTANE CANISTER WITH PROPANE
BOUTANE CANISTER IS NOT VERU STRONG