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The opening degree of a butterfly valve shouldn’t be too small, right?

2009-04-05View Original

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In my opinion, the opening degree of the butterfly valve should not be too small, especially for the flow control butterfly valve at the outlet of the centrifugal fan Please discuss. Reason: Generally, centrifugal fans are designed with very low static pressure differences, and this is usually expressed in terms of total pressure ***PA ; The torque that a fan can withstand differs significantly from that of centrifugal pump impellers ;

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