How to convert liters/minute to cubic feet/hour of a Vacuum pumps.This is for natural gas application,Operating temp 18 degrees C,Amb temp - 75 degrees F,Differential pressure 950 psi,Size is 36 inch,Leakage is 68 liters/min
The problem with gasflow is that it is often unclear for the external party (you and me) to see what kind of flow is applicable.
- Is this the actual flow (at actual pressure/temperature)?
- Is this normal flow (at 1 bara/0°C)
- Is this standard flow (at 1 bara/15°C)
Now we even have two problems.
1) I do not know what your meter measures
2) I do not know what answer you are looking for
Conclusion:
- Please verify the documentation of the flow meter. Most flow meters provide information regarding actual flow (unfortunately not all)
- In case the meter output and your required answer both have the same unit (actual OR normal OR standard flow). You can do the simpler conversion. If not you have to include the pressure, temperature, compressibility and density factors as well.

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