Impulse Turbine
                   Reaction Turbine

Type descriptions of multi-stage steam turbines on building block system

  N—Normal pressure in outer casing
  H—High pressure in outer casing
  E—Extraction turbine
  G—Backpressure turbine
  K—Condensing turbine
  W—Double flow turbine

Type identification
  NK 32/28/0
  N-Admission condition mark (N is normal pressure)
  K-Exhaust section (K is condensing type)
  32-Marking size of outer casing(inner radius of wheel box of outer casing)
  28-Marking size of rotor(root diameter of end stage rotor)
  0-Extension section mark 0—without extension section