BVT-HB/HBS Feedwater heater bypass valves

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Made in: Sweden

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Feedwater heaters are used in power generation to pre-heat the feedwater coming from the feedwater pump before being fed to the boiler in order to improve steam generator efficiency. The bypass system consists of two 3-way isolation valves, the HB is installed upstream from the heater, and the HBS 
is installed downstream. In normal operation both valves are opened, allowing water to flow through the heater.

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References

Description

Specifications
Actuator type
Electrical as standard, other on request
Pressure class
Up to ANSI-4500
Leakage class 
ANSI class III against bypass line 
ANSI class V against feedwater heater

Regulatory standards 
PED, ASME

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