As helpful tools we provide formulas which will allow you to calculate expended gas yields for iSi Carbon Dioxide, Argon and Nitrogen gas filled cylinders.
| Carbon Dioxide Filled Cylinders: At 1 atmosphere (1 bar pressure) |
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| 1 gram of CO2 at -30°C = 0.455 liters of expanded gas |
| 1 gram of CO2 at -15°C = 0.484 liters of expanded gas |
| 1 gram of CO2 at 0°C = 0.513 liters of expanded gas |
| 1 gram of CO2 at 15°C = 0.541 liters of expanded gas |
| 1 gram of CO2 at 20°C = 0.551 liters of expanded gas |
| 1 gram of CO2 at 30°C = 0.570 liters of expanded gas |
| 1 gram of CO2 at 40°C = 0.589 liters of expanded gas |
For example- A 16 gram CO2 filled cylinder at 20°C and atmospheric pressure will provide 8.816 liters of expanded gas (16 x 0.551)
Argon Filled Cylinders:
At 15°C and 1 atmosphere (1 bar pressure)
Yield of expanded Ar (liters) = Weight of Ar (grams) ÷ 1.669 grams/liter (density of Ar)
For example- A 10.3 gram Ar filled cylinder at 15°C and atmospheric pressure will provide 6.171 liters of expanded gas (10.3 ÷ 1.669)
Nitrogen Filled Cylinders:
At 15°C and 1 atmosphere (1 bar pressure)
Yield of expanded N2 (liters) = Weight of N2 (grams) ÷ 1.170 grams/liter (density of N2)
For example- A 13.5 gram N2 filled cylinder at 15°C and atmospheric pressure will provide 11.538 liters of expanded gas (13.5 ÷ 1.170)
