Specifications

TYPICAL MAXIMUM CFM @ SP
MODEL	1/2” SP				1” SP				1 1/2” SP				2" SP				2 1/2" SP				Min HP	Max HP
MODEL	CFM	BHP	FEI	FEPact (kW)	CFM	BHP	FEI	FEPact (kW)	CFM	BHP	FEI	FEPact (kW)	CFM	BHP	FEI	FEPact (kW)	CFM	BHP	FEI	FEPact (kW)	Min HP	Max HP
307	1200	0.73	0.52	0.74	1100	0.71	0.73	0.72	900	0.66	0.89	0.67	700	0.69	0.88	0.70	500	0.73	0.81	0.74	1/4	3/4
309	1800	0.71	0.72	0.72	1600	0.75	0.92	0.76	1300	0.71	1.08	0.72	1000	0.73	1.07	0.74	700	0.73	0.99	0.74	1/4	3/4
310	2800	1.44	0.54	1.37	2500	1.43	0.73	1.36	2200	1.41	0.88	1.34	2000	1.5	0.95	1.42	1600	1.5	0.94	1.42	1/4	1 1/2
312	3700	1.88	0.53	1.74	3300	1.94	0.70	1.80	2900	1.92	0.83	1.78	2500	1.93	0.91	1.79	1700	1.94	0.78	1.80	1/4	2
315	5700	2.98	0.50	2.68	5200	2.99	0.69	2.69	4600	2.9	0.84	2.61	4100	2.94	0.94	2.65	3400	2.97	0.94	2.67	1/2	3
318	8800	4.9	0.46	4.29	8100	4.96	0.63	4.34	7300	4.88	0.78	4.27	6700	4.92	0.90	4.31	5900	4.93	0.95	4.32	1/2	5
CFM values listed are summarized for convenience. For full performance data refer to our Delair program.
Power rating (BHP) does not include transmission losses. Performance certified is for installation type B: Free inlet, Ducted outlet. Performance ratings do not include the effect of appurtenances (accessories).
For expanded FEI data click here.