Steam valve assembly and steam turbine plant

Details Steam valve assembly and steam turbine plant Steam valve assembly and steam turbine plant

2008-12-11

2011-10-25

Lee, Kevin (Department: 3753)

Fluid handling

Systems

Flow path with serial valves and/or closures

C137S637200

Reexamination Certificate

active

08042570

ABSTRACT:
A steam valve assembly has a main-steam stop valve, and a steam control valve connected downstream to the main-steam stop valve via an intermediate flow path. The two valves each has a casing having an inlet port directing horizontally, and an outlet port directing vertically. The valve bodies and the valve stems move up and down in the casings to open and close the flow paths in the valves. The intermediate flow path is configured to guide main steam from the outlet port of the main-steam stop valve in vertically downward direction to the inlet port of the steam control valve in horizontal direction.

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