I hope I am coming to the correct person for technical clarification in regards to this N2 package. We have some concern in our preliminary sized up for this N2 package.
In order to generate a N2 flowrate of 40 scfm @ purity of 97.5%, the Feed air required is about 162 scfm. This flowrate more than 2 times of what was given per project datasheet (80 scfm). Since we will be working on the Air Compressor and Dryer Package (Tag #SK-3180) as well, we have concern that the feed air from this Air Compressor and Dryer Unit would not be providing sufficient instrument air to the N2 package. Currently, the Instrument Air flowrate at battery limit is 100 scfm.
I hope you would let me know the process flow between this Air Compressor Package (Tag #SK-6180) and the N2 Package (Tag #SK-3185) or alternatively, please let me know where would the feed air be coming from for this N2 Package. A clearer picture on this would allow us to correctly identify the requirement.