... of 320,400,500,630mm. The series of little power, back pressure industrial steam turbines are single-stage turbines. All types ... pitch diameters of 320,400,500,630mm. The gove-rning systems is of woodward Gove-rnor principle. Bearings are lubricated with ... -late or baseplate with oiltank, with the turbine itself ,the exhaust flange faces sideward or upward ,and the turbine is therefore ...