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How water tube BOILER CAPACITY is effected AFTER PLUGGING SOME TUBES?
QUESTION:How water tube BOILER CAPACITY is effected AFTER PLUGGING SOME TUBES?
ANSWER: The reduction is capacity is roughly proportionate to the number of tubes that get plugged. For example, if you plug 4 of 200 tubes, the capacity will drop by about 2%.
This assumes that all tubes have the same heat transfer surface and it is a single pass boiler. If it is a multi-pass boiler, then it starts to depend which pass the tubes are on.
This is usually not a big deal as boilers seldom run at 100% capacity. You could figure this out by reviewing your boiler log and fuel consumption.
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