... mainly in two types: Type DA with single shaft and Type H with double shaft for dozens of specifications, flow rate of 80 ... oil free lubrication oxygen/nitrogen compressors, such as single row, double rows, three rows, four rows, discharge capacity of single unit ... a)OUTLET PRESSURE(Mpa a)ROTATING SPEED(r.p.m)SHAFT POWER(kw)DA350-616061Bsingle-shalft(S)3700.0970.7286562019DA350-616061DS3700 ...