Page 25 - Steam Turbines Design, Applications, and Rerating
P. 25

6   Chapter One

            hand-operated shutoff valves. Hand valves (arrow, Fig. 1.6) may be
            specified for reduced steam consumption at part load or overload, or for
            design load with reduced steam pressures. Hand valves are not auto-
            matic and are only of value when manually operated as needed.




























































            Figure 1.4  Steam flow through turbine stages. (The Elliott Company, Jeannette, Pa.)
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