: The drain must handle a minimum outflow rate of 10 liters per minute . Technicians must use an inside pipe diameter of 40mm at floor level with a minimum downward inclination of 1 cm/meter to prevent backflow.
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The central vacuum line must maintain an exhaust airflow rate of no less than 450 liters/minute at the floor box junction. To minimize dynamic air turbulence, technicians should utilize 45-degree bends instead of 90-degree elbows. Core Systems Architecture : The drain must handle a minimum outflow