Umthamo wetanki yepetroli unokuhlangabezana neemfuno zokusebenza rhoqo kangangeeyure ezingaphezu kwe-10, kunciphisa amaxesha okugcwalisa amafutha kunye nexesha lokungasebenzi. Ifanelekile kwiindawo zokwakha ezikude ezikude nezikhululo zepetroli, ukumba imisele, kunye nezinye iimeko zokusebenza rhoqo, nto leyo ephucula ukusebenza kakuhle kokwakha.
Iyunithi ephambili kunye nenjini yedizili ziqhagamshelwe ngokuthe ngqo nge-high-elasticity coupling, nto leyo esusa iigiya ezinyusa isantya, nto leyo ebangela ukusebenza kakuhle kothumelo kunye nesantya esiphantsi sokusilela. Uyilo lwe-screw rotor enobubanzi obukhulu luvumela isantya esingadluli kwi-2400 r/min, kunye nezithuba zokuhlaziya zeeyure ezingama-40,000-80,000.