Injin samar da nitrogen kayan aiki ne da aka tsara kuma aka ƙera bisa ga fasahar PSA. Injin samar da nitrogen yana amfani da sieve na carbon molecular (CMS) azaman mai sha. Yawanci yana amfani da hasumiyoyin shawagi guda biyu a layi ɗaya, sarrafa bawul ɗin iskar gas mai shiga ta atomatik wanda PLC ke sarrafawa, shawagi mai matsi da sake farfaɗo da matsewa, cikakken rabuwar nitrogen da oxygen, don samun nitrogen mai tsarki da ake buƙata.
Kayan da aka yi amfani da su wajen tace sinadarin carbon sune resin phenolic, wanda aka fara niƙawa sannan aka haɗa shi da kayan tushe, sannan aka kunna ramuka. Fasahar PSA tana raba nitrogen da iskar oxygen ta hanyar ƙarfin van der Waals na sieve ɗin carbon, saboda haka, girman yankin saman, yawan rarraba ramin da aka yi daidai da shi, kuma yawan ramuka ko ƙananan ramuka, ƙarfin sha zai fi girma.