Modelên VPSA û PSA hene, prensîba wekhev.Li vir dê bi gelemperî hilberînerê oksîjenê VPSA destnîşan bike.It is a kind of mechanical equipment that can enrich oxygen in the atmosphere, and its working principle is to use a blower to transport the raw material air after dust removal and filtration into the absorber, and then the special molecular sieve in the absorber begins to pêkhateya nîtrojenê bişewitîne, û pêkhateya oksîjenê wekî hilberek dewlemend û derdixe.