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Comparison of main fan static blade control systems?

2016-04-12View Original

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Is the static blade control system of the main fan reliant on the existing proportional valve-type electro-hydraulic actuator, or is a mechanism such as REXA more reliable?
Reply #22016-04-14
As far as I know, American REXA is still the most reliable
Reply #32016-09-08
Our facility switched from a proportional valve system to the REXA system in 2014, and there have been no problems for two years. It has a compact design, eliminates the need for a fuel tank, and does not experience any jamming issues
Reply #42016-09-08
I haven’t touched this thing in many years; it’s very unfamiliar to me.

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