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Pressure in Propane-Butane Cylinder: Comparing Small Tourist vs 11kg Bottle, Tests & Values

AngelOfDeath_200 56430 7
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Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
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  • #1 15532775
    AngelOfDeath_200
    Level 14  
    Hello, since yesterday I have been looking for information on the pressure in the propane-butane cylinder, whether it's a small tourist or 11kg bottle. It is known to depend on gas and proportions and temperature. But what are the values? What pressure tests do these cylinders undergo?
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  • #3 15533388
    AngelOfDeath_200
    Level 14  
    Lazy lazy ... But is it about LPG tanks and a tourist cylinder or does it have the same properties? In other words, is 10 bar for a 2l tourist cylinder too much? I mean exactly how much co2 I can fill in a tourist cylinder. Co2 will be acid and soda. I just don't know whether to do calculations for 2 bars or 10, for example.
  • Helpful post
    #4 15533395
    peter falk
    Home appliances specialist  
    The test pressure, in accordance with the PN standard, some there and DIN some there, and in accordance with the Euro-pin number some, for a two-kilogram cylinder is 2.9MPa, and for an eleven-kilogram bottle, 2.5MPa - and these steel "canisters" must withstand.
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  • #5 20712525
    mak77smyk
    Level 5  
    These 2.9 and 2.5 bar are the control pressure, i.e. the endurance test. In solid steel cylinders, the test pressure increases by 50%, i.e. a 200 bar cylinder is tested at 300. There are welded plates here, so it's hard to say about the safe working pressure, but I bet on half - it's hard to find meaningful data.
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  • #6 20712595
    Pan.Kropa
    Level 34  
    mak77smyk wrote:
    These 2.9 and 2.5 Bar are the control pressure,
    Not Bar but MPa. 2.9 MPa is 29 Bar, and 2.5 MPa is 25 Bar respectively.
  • #7 20715187
    ladamaniac
    Level 40  
    LPG tanks have a test pressure of 30 bar. The operating pressure is 20 bar. These 30 bar when the tank is legalized for the next 10 years, are supposed to last for 30 minutes. From experience, I will only say that the cylindrical tank withstood the given 67 bar. It permanently deformed slightly, nothing more.
  • #8 21105399
    mak77smyk
    Level 5  
    29 and 25 Bar, of course.
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Topic summary

The discussion centers on the pressure specifications of propane-butane cylinders, specifically comparing small tourist cylinders and 11kg bottles. It is noted that the test pressures for a 2kg cylinder are 2.9 MPa (29 bar) and for an 11kg bottle, 2.5 MPa (25 bar). These values are derived from standards such as PN and DIN. The operating pressures for LPG tanks are mentioned as 20 bar, with a test pressure of 30 bar. Additionally, it is highlighted that solid steel cylinders can withstand pressures significantly higher than their test values, with anecdotal evidence of a cylindrical tank enduring 67 bar. The conversation also clarifies the distinction between bar and MPa, emphasizing the importance of understanding these measurements in relation to cylinder safety and performance.
Summary generated by the language model.
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