505 series microprocessor turbine controller for extraction steam turbines, closed-loop speed, load and extraction pressure regulation with dual serial communic... ...

505E digital turbine controller for extraction steam turbines, speed and extraction pressure closed-loop control. ...

Standard 505 turbine governor for extraction steam turbines, completes speed, load and extraction pressure closed-loop adjustment. ...

505 turbine control unit for extraction steam turbines with closed-loop speed and extraction pressure control. ...

505 turbine governor for extraction steam turbines, provides closed-loop speed, load and extraction pressure regulation. ...

Microprocessor turbine governor for extraction steam turbines with closed-loop speed and pressure regulation. ...