The nitrogen from the gas cylinder is released outside through a pressure reducing valve; can it be calculated how long it will take to release all of it?

2009-09-03View Original

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I have a technical issue and would like to ask for your advice. We need to purchase nitrogen for industrial tests, and we plan to use cylinders, with a pressure of around 15 Mpa. We need to reduce this pressure to 0.4 Mpa before feeding it into the equipment. How long will one such cylinder of nitrogen last? Can it be calculated? Our nitrogen cylinders are 47 liters.

Reply #22009-09-08

This may seem like a simple question, but calculating it accurately is quite complex; it can be calculated using the discharge rate of the storage tank’s safety valve

Reply #32009-09-09

Could you explain in detail what additional known values I need in order to calculate it? For the second floor, I guess he means that the flow rate also needs to be known.

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The nitrogen from the gas cylinder is released outside through a pressure reducing valve; can it be calculated how long it will take to release all of it?

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