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2.3 Calculation<br />
Guidelines<br />
a) Design the discharge layout;<br />
b) Measure the length of the straight sections;<br />
c) Determine the length equivalency values for all of the components;<br />
d) Calculate the value for the total length;<br />
e) Compare this value with that for the maximum allowable <strong>pipe</strong> length.<br />
Let’s examine two cases.<br />
L*<br />
705812<br />
L1 = 0.2m +<br />
L5<br />
705788<br />
L2 = 0.5m +<br />
L1<br />
L2<br />
L3<br />
L4<br />
705786<br />
705788<br />
705790<br />
L3 = 1.0m +<br />
L4 = 0.5m +<br />
L5 = 0.5m<br />
OK<br />
L eq<br />
tot = 2.7m 2.7 < Lmax = 4m<br />
C32<br />
L* Taken in consideration in the maximum length.<br />
L*<br />
L2<br />
L3<br />
L4<br />
L*<br />
705812<br />
L1 = 0.2 m +<br />
L1<br />
705790<br />
L2 = 0.5 m +<br />
705787<br />
L3 = 0.8 m +<br />
705783<br />
L4 = 0.75m +<br />
OK<br />
L eq<br />
tot = 1.25m 1.25 < Lmax = 4m<br />
C12<br />
L* Taken in consideration in the maximum length.<br />
B064<br />
17
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