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IMI CCI
VHB and VHBS Feedwater Heater Bypass Valves
VHB and VHBS bypass valves protect feedwater heaters, ensuring safe operation, easy maintenance, and efficient turbine performance.
Protects feedwater heaters from tube rupture and excessive backpressure for safer operations.
Enables seamless bypass during maintenance without disrupting feedwater flow to the boiler.
Improves turbine efficiency during peak loads by bypassing the feedwater heater when needed.
Features
The VHB and VHBS Feedwater Heater Bypass Valves ensure reliable protection and operation of feedwater heaters in power plants. Designed to protect against tube rupture and excessive backpressure, these valves enable easy maintenance and efficient turbine operation. With built-in water hydraulic actuators and robust construction, they ensure seamless bypass and system safety. Ideal for demanding thermal power applications, the valves provide consistent performance and long-term reliability under severe conditions.
Key features
Built-in hydraulic actuators
Optional actuation options
Protects heaters and turbine
Contoured plug minimises drop
Two on/off valves
ANSI Class 4500 design
Leakage Class III/V
Specifications
Fluid Types
Liquid
Water
Trim Category
Single Stage
Material
DIN WB36
Actuator Type
Hydraulic
Electric
Pneumatic
Design Codes
ASME (Section VIII)
ASME (B16.34)
EN
Temperature Limits (°C)
-29 to 260
Max. ASME Rating
4500
Certification
PED
NACE
SIL
CRN
IBR
Service Category
Severe
Resources
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