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Our project consist of (2 x 9FB)+(D11 ST), gas turbines will be equipped with Donaldson pulse filtration system. Filtration is in three stages and the first two stages are installed on the inlet hood (coalescing and course filter). I have just noticed on the P&ID that the filter house will contain inlet hood bypass system, activated by differential pressure and allow air to bypass directly to downstream high efficiency cartridge filters. This system allows on-line replacement of filters on the hood.
Spending 20 years in this field and experienced on varying filtration systems, I have never seen such a system on other projects. I have google it and managed to find only patent documents with recent dates detailing the hood bypass.
Can anybody share experience on "Inlet Hood Bypass" system?
Spending 20 years in this field and experienced on varying filtration systems, I have never seen such a system on other projects. I have google it and managed to find only patent documents with recent dates detailing the hood bypass.
Can anybody share experience on "Inlet Hood Bypass" system?