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What size bubble cap should be used?

April 26, 2017BUBBLE cap size Used

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What size bubble cap should be used?

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If the number of rows of caps are such that a larger size will still result in six rows of caps, the larger size should be considered. Consider a diameter of 7′-0″. The number of rows of caps will be about 22, 12 and 8 for 3″,4″ and 6″ caps, respectively. Because of the difference in cost, the 6″ caps would be recommended even though the 3″ caps appear to have a greater efficiency.