Hype Flex
news | June 05, 2026

How much PSI is in a CO2 cartridge?

The general standard is that when CO2 reaches 70 degrees Fahrenheit, the gas obtains a pressure of around 852.8 psi when contained in the cylinder or vessel.

What PSI is 12g CO2 cartridge?

Below 87.8°F, a 12 gram CO2 cartridge contains a mixture of liquid and gaseous CO2 in equilibrium. When the gaseous CO2 expands, some of the liquid CO2 immediately boils to take its place. As long as liquid remains, the operating pressure will be the vapor pressure of CO2 at the current temperature (usually 800+ PSI).

How much PSI is in a 25g CO2 cartridge?

CO2 canisters are recyclable and one-time use only. Perfect For Road, Mtb And Fat Bike Tires – 25 gram cartridge inflates a MTB tire (27.5" x 2.4) to 32 psi and a Fat Bike tire (26" x 4.0) to approx. 7.5 psi. Note: CO2 gas is 'not' food grade.

What PSI is a 8 gram CO2 cartridge?

High pressure rated: 900 psi. One cylinder is required for each firing.

How much CO2 is in a CO2 cartridge?

Here's you answer: "12 grams of CO2 at atm pressure and 80 degs. F would be 413 cubic inches. A 16 gram cartridge will be 551 cubic inches of gas.

42 related questions found

Can I leave CO2 cartridge in gun?

It is not recommended you leave CO2 cartridges in you air gun as it can ruin the seals. It is not safe, you should also check to ensure no pellets or bb's are in the chamber.

How many shots are in a 12g CO2?

A single 12-gram CO2 cartridge can produce anywhere from 30 - 200 shots dependent on temperature, valve settings, rate of fire, and blowback. Let's see how each of these factors affects how many shots you're getting.

How many pellet shots are in a CO2 cartridge?

CO2 Canister Size:

Smaller CO2 tanks will cool down much faster than larger CO2 tanks so when shooting rapped fire with a 12 gram CO2 cartridge you may only expect to get about 20-30 good shots before taking a break and letting your gun and the CO2 tank warm up again.

At what temperature does a CO2 cartridge explode?

Note: With all this talk of CO2 cartridges and temperature, it is important to say this: never intentionally heat a CO2 cartridge. Past 87.9°, the gas pressure climbs with the temperature and the cartridge can actually explode if it gets too hot.

What are CO2 bullets?

Rather than relying on the pressure caused by the combustion of a flammable powder, CO2 guns use compressed carbon dioxide to propel projectiles. CO2 guns typically fire steel balls, called “BBs,” or soft lead pellets.

How much CO2 does it take to fill a 29er?

Yes. One 16 gram cartridge is enough to fill an average 29" tire. I just tested in my Schwalbe Rocket Ron 29x2. 25, and from empty it gets to about 38 psi.

Are all CO2 cartridges the same pressure?

Whatever the reason is, it's time to get over that fear of CO2 and start making your life much easier. Cartridges come in different sizes – 12g, 16g or 25g. The smaller ones are designed for filling tires up to about 90 PSI. The larger ones are designed for filling tires up to 120+ PSI.

What is the pressure of liquid CO2?

The Liquid State:

This is called the triple point. The critical point of CO2 lies at a temperature of approx. 31 °C (87,8 °F) and a pressure of approx. 74 bar (1'073,28 psi).

What PSI is green gas?

Green Gas is stored in a bottle, pressurized to about 300 psi, and you can fill up magazines by charging them through the fill valve. Depending on your gun, you will get differing shots per fill up, as well as different shots per can. CO2 on the other hand is just straight air.

What uses 12g CO2 cartridge?

12g CO2 Cartridge

Disposable 12g CO2 cartridges, made of 100% recyclable steel (zinc-coated and non-refillable). Ideal for use in BB guns, toy paintball markers and CO2 pistols & CO2 rifles - please double check gun takes 12g (NOT 12oz) cartridges! You should regularly lubricate your gun using an approved lubricant.

How many shots does a 90 gram CO2 tank shoot?

The JT 90 gram prefilled CO2 will work with most paintball markers. This 2pk of single use CO2 can get up to 300 shots depending on usage.

How much PSI is in a 20lb CO2 tank?

CO2 cylinder is filled with liquid CO2 by weight. At the time of fill the temperature of the charge is extremely cold and the pressure is around 100 psi. When a fully charged 20 lb. CO2 cylinder, 68% full by water capacity, warms up to room temperature (70 oF), the pressure inside the cylinder increases to 837 psi.

How many PSI is a 20 lb CO2 tank?

A carrying handle is installed on 10, 15 and 20 lb. cylinders only. The service pressure is up to 1800 PSI/124 BAR with a test pressure of 3000 PSI/207 BAR.

What happens if you puncture a CO2 canister?

You will have to re-inflate your tyre with normal air, which includes larger molecule that leak out slower. If you don't use all the CO2 gas in the cartridge, it will leak out over the next ~30 minutes approximately. You're competing in a race, and get a flat. Time is of the essence.

How many BBS can a CO2 cartridge shoot?

Blowback pistols do use a bit more CO2 per shot but you should be able to get about 60-75 full power shots. Rapid fire shooting will consume more CO2 per shot than shooting at a slower rate. 2 of 2 found this helpful.

How long do CO2 cartridges last in a BB gun?

​Once penetrated on the first trigger pull, the CO2 cartridge will last 24 hours or 21 shots.

Which is better CO2 or green gas?

Should I Choose CO2 or Green Gas? If you are looking for performance, CO2 may be your best bet. CO2 is a higher-pressure gas and depending on the make of the pistol can provide a harder recoil on blowback airsoft pistols. And CO2 performs better in colder weather, although it is temperature dependent as well.

Can you refill a CO2 cartridge?

The reusable CO2-styled cartridge can be refilled with either green gas or CO2, allowing airsoft guns that have too high of a FPS rating to be brought down with green gas.

How long does a CO2 cartridge last in a life jacket?

If they are properly cared for, hydrostatic inflators can go without maintenance for up to five years, at which time the activator and CO2 cartridge are simply replaced. Again, note the date of replacement somewhere on the PFD.

How long do CO2 cartridges last in storage?

They last pretty much forever provided they haven't been damaged (e.g. punctured or rusted or something), so go ahead and use them. If you really want to check them, you can buy a few new ones and weigh them on a scale (and compare the weights of the old cartridges to the new ones).