pure air automatic machine 1. produce 0--10000ml/min flow rate 2 ... 0.1ppm zero air station Introduction: Zero air generator supply ultra pure air source. Through catalytic pyrolysis the ... machine, we use silastic rings ( content less sulphur ), which could guarantee gas purity. Could keep the base line stability ... 50--60Hz, 10. Size: 400*360*220mm factory supply pure air automatic machine ZA-1000