... 2.Max Speed: under6300r/min 3.Inlet pressure: 4.0--5.0MPa 4.Inlet temperature: up to 450degree Name:HB Series Single ... driven turbine, absorbing the new technological achievements, which forming a series of independent research and production of steam turbine. HBA ... , single-stage two-speed impeller re-listed. It has a compact structure, reasonable design, reliable operation and high efficiency. ...