Page 146 - Steam Turbines Design, Applications, and Rerating
P. 146

Turbine Auxiliaries  127


















                                           (a)














                                           (b)
            Figure 7.2 Barring (slow turning) gear arrangements for steam turbine rotors—
            Hydraulic (a) and Mechanical Versions (b). (Asea Brown-Boveri, Baden, Switzerland)



























            Figure 7.3 Emergency stop valve (trip valve). (Asea Brown-Boveri, Baden, Switzerland)
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