Profile: Vaayu Tech Engineering offers a variety of gas generation plants, PSA nitrogen gas plants, oxygen gas generation plants, ammonia crackers and compressed air dryers. Our PSA nitrogen gas plants produce nitrogen from atmospheric air features fully automatic start-up by single push button. Our PSA oxygen gas generation plants consist of two absorption vessels and filled with zeolite molecular sieves are alternatively charged with compressed air to absorb the nitrogen. Our compressed air dryer removes all the moisture and oil droplets from the compressed air and gives you bone dry and compressed air.