HRSG Bypass Stack System
The gas turbine bypass system diverts flue gas from the heat recovery steam generator (HRSG) in combined cycle mode to a bypass stack with a muffler assembly for operation in simple cycle mode. The HRSG can then be serviced as the diverter completely isolates it from the gas turbine.
HRSG systems require highly reliable and durable dampers for proper gas flow in both single-pressure and multi-pressure exhaust systems. As a power source for large buildings, industrial facilities and factories, HRSG bypass "chimney cap" dampers must support the precise exhaust flow necessary for the system to shut down or suspend operation effectively and efficiently when needed. Environmental regulations and concerns about reducing emissions require the implementation of high-quality, durable damping systems to help reduce or eliminate NOx and carbon monoxide emissions from HRSGs.
Customizable steering damper options
We provide comprehensive gas turbine services, starting with evaluating your needs to design the most energy and cost-effective bypass system to meet your safety specifications.
Our shunt damper options include:
Fully activated steering dampers:
Main chimney and bypass chimney silencers
Main and bypass chimney silencers are used to control the noise generated by gas turbine exhaust systems and can be applied to HRSG's main or bypass chimneys.
Main stack and bypass silencers are custom designed to analyze structure, thermal expansion and fluid flow, and are designed based on proven field data for optimal dynamic insertion loss and pressure drop.
application
- HRSG's main chimney - HRSG's bypass chimney
- Exhaust pipes of gas turbines
- Exhaust system for standby gas turbine generators
- High temperature exhaust pipe
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