Discharge coefficient
The discharge coefficient is the parameter required for dimensioning the wastewater volume flow with values K = 0.5 to K = 1.2 (see DIN EN 12056-2).
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The discharge coefficient K takes into account the different simultaneities of use of drainage objects depending on the type of building. It is required to determine the wastewater discharge Qww and for the dimensioning of unventilated collective connection pipes.