Quick Open Steam conditioning valve/PRDS
Conditioned Steam to process in 4 Seconds
Process uninterrupted during Turbine Trip
Turbine bypass to condenser in 1 second
Steam conditioningvalve
1. General EXO ESB valves ESB ESR
1.1 Main duties of the valve
Fig 1 EXO valve type ESB-B
1.2 Functions of the valve
1.3 Applications
valve type ESB
1.3.3
1.3.1 Main applications – High pressure system
2.
Design bypass valves type ESB
ESB type valves
1.3.2
Main applications – Low pressure system Main applications – process industry2.2 Resist Thermal Shock
2.1 High Rangeability Designs
2.3 Maximum Performance and Reliability
3. Requirements
4. Advanced Desuperheating Capabilities 5. Fine Control at Low Flow Conditions 6. Noise abatement EXO ESB-valves7. Valv EXO tu ESB ESB-T ESB-B ESB-BT
ve configura
ESB-C ESB-SE Valve d of e Plu diame 72
Type o valve
ESB
urbine byp T E designation g ter Typ pl T
tions ass valves guide pe of lug Add equ T
ditional uipment C
8. Valve C
8.1 Valve b
Fig 3
Components body and b
3 PRESSU
s bonnet URE SEAL L BONNET
8.2 Va
Fig 4 C ARRAN
8.3 Spr
lve seat CAGE PLU NGEMENT ray Nozzles
G AND S SEAT
Fig 5 SP AR
Fig 6 STE IN
RAY WAT RRANGME EAM ATO ESC-SE
TER NOZZ ENT MIZING O
ZLE OF SPRAY
Fig 7 VALVE TYPE ESB-B
Fig 8 VALVE TYPE ESB-BT
Fig 9 VALVE TYPE ESB-T
Fig 10 VALVE TYPE ESB-BC
Fig 11 ESC
Fig 12 ESC-SE
9. Insta
Fig 13
Fig 14
allation exam
Typical in combine
Typical in
mples nstallation ed cycle. nstallation
n of steam of steam
condition condition
ning valve ing valve
e type ESB type ESB
B in Triple in a comb
pressure bined cycle.
Fig 15 Typical installation of EXO steam conditioning valve type ESB in a Process Plant.
10. MAJOR COMPONENTS
Major Components
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Fig 16 Steam conditioning valve ESB