The valve is mainly applicable for the start stage of unit to discharge the steam-water mixture in steam pipelines before the normal operation of steam turbine. Furthermore, as the steam turbine occurs failure or load shedding, the valve is opened as per the procedures, and drains the steam and water in the pipeline to drainage flash tank so as to ensure the safety of the system.

Parameters

Size：1/2"~4" (DN15~DN100)

Pressure Rating：ASME CLASS 900~2500 (PN160~PN420)

Body material：Carbon steel, Stainless steel, Alloy steel, Duplex stainless steel

Temperature Range：-196℃~540℃

Seat Leakage：ANSI Ⅴ(No visible leakage)

Bonnet Type：Fin-Extension