HzW only works for straight pipe with water!

For a Reducer,

Head loss, Hf = (1/Cc - 1)^2 * V2^2 / 2 / g
where,

Cc = 0.582 + 0.0418/(1.1-D2/D1)
D1 = upstream inside diameter
D2 = downstream inside diameter
V2 = downstream fluid velocity
g = acceleration due to gravity

For an Expander, divide the above Hf by 0.7

Taipei Weather:
63 F (17 C) Scattered Clouds
Bellingham Weather:
63 F (17 C) Clear
Seattle Weather:
53 F (12 C) Clear

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