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Sound Attenuators

Categories: Power generating equipment

Sound attenuator units (Fig.1) are applied as nonadjustable throttle elements of pressure-reducing stations and pressure-reducing desuperheating stations. They are applied to reduce sound level in case of steam throttling and expansion in pressure-reducing stations and pressure-reducing desuperheating stations. They are installed right behind butterfly valves of pressure-reducing stations and pressure-reducing desuperheating stations.

Sound attenuators with throttling and cooling grid (Fig.2) are designed to condense steam and are a part of kit of items included in desuperheating stations and pressure-reducing desuperheating stations.

End connection – butt welded.

Installation position – horizontal or vertical.

Medium flow direction – following the arrow sign on the body.

Climatic version – U3 (moderate macroclimate, outside and inside operation) according to GOST 15150-69.

 

 

 

Technical specification and main dimensions

Обозначение

маркировочное

DN

Параметры

среды

Массовый расход среды (на выходе),

G, т/ч

F1, cм2 Материал корпуса

L,

мм

L 1,

мм

H,

мм

Масса, кг Рисунок

РВХ/tВХº,

МПа/ ºС

РВЫХ/tВЫХº,

МПа/ ºС

Ш.200.012/006 050.004 200 12/435 6/220 50 110,0 20 200 42 139,5 14,8 2
Ш.200.019/012 050.003 200 19/435 12/435 50 45,4 20 205 12 1
Ш.300.003/002,5 050.006 300 3/220 2,5/160 35 226,7 20 305 52,5 212,5 29,7 2
Ш.300.003/003 050.005 300 3,3/220 3/220 35 196,3 20 300 20,5 1

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