I'd say 1/3 may be rather high depending on what was said before like block type, # of 90 degree fittings, length of tubbing, vertical rise of the system (head), ID of tubbing/ID of fittings, etc. All have an impact on your overall flow.
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...i hurt...
do me a favor, disconect me...
they can re-work me
but i'll never be top of the line again
...i'd rather be nothing...
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