DC Impeller Selection
Voltage
	Select your DC supply voltage.
Airflow	Enter the required airflow and the corresponding pressure drop. If no pressure drop is entered, free flow conditions will be assumed.
CFM m^3/hr L/s
Pressure Drop
in H2O Pascal PSI
Rough Opening (Max)	Enter the width of the maximum opening or leave blank to select the optimum impeller for the airflow requirements given.
in cm mm

DC Impeller Product Families
		Family	Size	Max Airflow Range	Operating Voltage Range
		Sort	Sort	Sort
		Diplomat DD4021	102.0 x 102.0 x 55.0 mm 4.02 x 4.02 x 2.17 in	100.0 - 115.0 CFM 170.0 - 195.5 m3/hr 47.2 - 54.3 L/s	7.0 - 15.0 V 12.0 - 32.0 V 24.0 - 72.0 V
		Diplomat DD5236	133.0 x 133.0 x 91.0 mm 5.24 x 5.24 x 3.58 in	175.0 - 200.0 CFM 297.5 - 340.0 m3/hr 82.6 - 94.4 L/s	7.0 - 15.0 V 12.0 - 32.0 V 24.0 - 72.0 V
		Diplomat DD6921	175.0 x 175.0 x 53.0 mm 6.89 x 6.89 x 2.09 in	250.0 CFM 425.0 m3/hr 118.0 L/s	6.0 - 14.0 V 12.0 - 32.0 V 24.0 - 56.0 V
		Diplomat DD7527	191.8 x 191.8 x 90.4 mm 7.55 x 7.55 x 3.56 in	250.0 - 300.0 CFM 425.0 - 510.0 m3/hr 118.0 - 141.6 L/s	6.0 - 14.0 V 12.0 - 28.0 V 24.0 - 56.0 V
		Diplomat DD6927	175.0 x 175.0 x 69.0 mm 6.89 x 6.89 x 2.72 in	275.0 - 325.0 CFM 467.5 - 552.5 m3/hr 129.8 - 153.4 L/s	6.0 - 14.0 V 12.0 - 28.0 V 24.0 - 56.0 V
		Diplomat DD8928	220.0 x 220.0 x 71.0 mm 8.66 x 8.66 x 2.80 in	500.0 - 565.0 CFM 850.0 - 960.5 m3/hr 236.0 - 266.7 L/s	12.0 - 28.0 V 24.0 - 56.0 V
		Diplomat DD8939	225.0 x 225.0 x 99.0 mm 8.86 x 8.86 x 3.90 in	625.0 CFM 1062.5 m3/hr 295.0 L/s	12.0 - 28.0 V 24.0 - 56.0 V
		Diplomat DD9835	250.0 x 250.0 x 89.0 mm 9.84 x 9.84 x 3.50 in	700.0 CFM 1190.0 m3/hr 330.4 L/s	12.0 - 28.0 V 24.0 - 56.0 V
		Diplomat DD1149	280.0 x 280.0 x 125.0 mm 11.02 x 11.02 x 4.92 in	1100.0 CFM 1870.0 m3/hr 519.1 L/s	12.0 - 32.0 V 24.0 - 72.0 V

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