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Normal atmospheric pressure is abbreviated as atm. But when computing for the amount of total pressure exerted on an object at a specific depth or elevation, including normal atmospheric pressure, then the abbreviation ata is used. It stands for atmospheric pressure absolute.

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Q: Why do you mentioning the boiler pressure in 'ata'?
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Boiler steam pressure?

What you meant by this question is uncertain. If you are asking about the definition then Boiler steam pressure is the pressure developed by a water steam boiler, else if you are asking about the Rated boiler steam pressure then it is the safe operating pressure a boiler can operate, else if you are asking about Maximum boiler steam pressure then it is the maximum pressure that a boiler can produce with out failure.


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advanatages of high pressure boilers


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lamont boiler is high pressure boiler & it'swork on high pressure at constant temprature


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How a boiler is different from kettle or pressure cooker?

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What is the highest pressure safety valve allowed on a low pressure boiler?

I believe that is 15 PSI on a low pressure steam boiler


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