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Sempell Model 315 High Pressure Bypass Valve

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Henna Ketoja
Inside Sales Engineer
Mob. 400 612 124

Risto Wallin
Country Manager Askalon Finland, Key Account Manager Nuclear
Phone. 0207 416 209
Mob. 0400 448 248

A range of high pressure turbine bypass and steam conditioning valves that provide greater reliability and flexibility under extreme conditions.

General application: Steam turbine bypass valves with safety function and boiler protection at steam turbine trip according to DIN EN ISO 4126-5 (TRD 421). Safety function initiated by external steam testing device. Controlling steam condition during boiler and turbine startup or shut down. Applied in coal fired and gas fired power plants.

Tekniset tiedot
Ominaisuudet

Size	DN 150 to DN 1500, NPS 06 to 60
Pressure	Up to 320 bar, Up to Class 4500
Temperature	–29°C to 630°C, –20°F to 1100°F
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

Body, optimized against stress
Steam tends to open
Failsafe position: open
Continuous operation possibl
Excellent low load behavior
Multiple–stage trim
Low noise and no vibration
Internal atomizing steam extraction
No thermal shock
Short evaporation length
Actuation: hydraulic

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Sempell Model 315 High Pressure Bypass Valve

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