DK40 Double (Twin) Motor Mine Ventilation Booster Fans

DK40 mine ventilation booster fan is a primary fan that is in series with another primary fan.

Without the booster fan operation, the total mine airflow will fall significantly. Booster fans are typically installed as mine develops and primary fan no longer has the pressure or flow capability to service increased resistance of operation.

In this sense, booster fan operates as an integral and “symbiotic” unit with the original primary fan to provide sufficient total airflow for mine.

Mine booster fans are technically main fans which are installed underground to maintain required airflow by overcoming the mine resistance.

DK40 Double Motor Main Fan
Model No.	Speed r/min	Airflowm3/s	Full Pressure Pa	Motor Power(kW)
1500	980	18.2～43.6	382～1690	2×37
1600	980	22.1～52.9	435～1923	2×55
1700	980	26.5～63.5	491～2171	2×75
1800	980	31.5～75.4	551～2433	2×90
	730	23.5～56.1	306～1350	2×37
1900	980	37.0～88.6	614～2711	2×132
	730	27.6～66.0	341～1504	2×55