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Sempell Model 115 Turbine Bypass Valve

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Henna Ketoja
Inside Sales Engineer
Mob. 400 612 124

Risto Wallin
Country Manager Askalon Finland
Phone. 0207 416 209
Mob. 0400 448 248

Sempell™ model 115 is a high pressure turbine bypass valve that provides greater reliability and flexibility under extreme conditions.
Steam turbine and boiler protection at steam turbine trip. Steam turbine bypass to cold reheat or condenser while boiler/turbine start-up and shut down. Applied in in coal fired power plants and CCGT power plant.

Tekniset tiedot
Ominaisuudet

Size	DN 150 to DN 1500, NPS 6 to 60
Pressure class	Up to 320 bar, Up to Class 4500
Temperature	-29°C to 630°C, -20°F to 1100°F
Body material	1.7383 / 1.4903 / 1.4901 SA 182 -F22 /-F91 /-F92 Other materials on request
Connection	Butt weld ends acc. To ASME B16.25 or ISO 9692-1

Pressure reduction by multi-stage controlled expansion.
Atomizing steam desuperheater, providing short evaporation length and protection of downstream piping against thermal shock
Subsequent adjustment to changed operational conditions possible due to easily exchangeable trim and seat
Spring-loaded packing for long term leak tightness
Pressure seal bonnet
Order–specific optimization of trim flow areas and desuperheate
All actuator types can be used
Optional: Pre–warming and condensate drain Studs
Pressure balanced trim with pilot plug and cup springs

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Sempell Model 115 Turbine Bypass Valve

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