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It's lacking the temperature of water to calculate its velocity having the pressure and the diameter of the pipe. The temperature of water also counts on this equation. The equation is valid for fresh water, if the density of the water is higher compared to the fresh water, the result will vary, too. It is lacking also the inner condition of the pipe. Smooth or rough.

The pipe must be placed horizontally, 0º degree of inclination. The pipe must be fully straight, too.

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12y ago

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