Profile: Air-Tech Engineers is in the business of designing, manufacturing, revamping, services and capacity up-gradation of various industrial equipments. We supply PSA nitrogen gas plant, air/water cooled after cooler, ammonia crackers and air drying units. Our pressure swing adsorption is the separation technology which separates nitrogen and oxygen molecules from rich compressed air. We also offer spares like activated alumina & carbon, molecular sieves, nickel & palladium catalyst and oil lubricators.