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13 Nov 2000 at 11:27 pm
#288742
Harold Kestenholz
Participant
The most likely suspect in producing water hammer is a long run of small-diameter tubing that ends in a rising loop that can trap air. Water hammer is the result of a large quantity of water moving at high velocity against some fittings and turns near an air bubble. Loose pipes with too few supports can increase the problem. Look for changes in direction, bull tees and stops at the end of long runs of tubing.