... the life of molecular sieve4. Simple operation, running stability, high autoimmunization, can running without people.5. Nitrogen emptying automatic ... .Technical Data:Nitrogen capacity : 5-1200Nm3/h Nitrogen purity: 99.9%Nitrogen pressure:0-0.8MPa Dew point:lower than- ... chemical industry, electron, textile process, coal, petroleum, natural gas, medicine, food, glass and machinery SDA-D nitrogen making ...