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
SIS-9	2300	1.36	0.64	1.30	2200	1.48	0.74	1.40	2000	1.47	0.84	1.39	1800	1.45	0.91	1.37	1600	1.45	0.96	1.37	1/4	1 1/2
SIS-10	2700	1.46	0.67	1.38	2400	1.42	0.79	1.35	2200	1.49	0.87	1.41	1900	1.40	0.96	1.33	1700	1.44	0.99	1.37	1/4	1 1/2
SIS-12	3600	1.94	0.62	1.80	3300	1.98	0.75	1.83	2900	1.90	0.86	1.76	2600	1.96	0.91	1.81	2100	1.94	0.88	1.80	1/4	2
SIS-15	5300	2.98	0.61	2.68	4800	2.88	0.74	2.59	4400	2.90	0.85	2.61	3900	2.91	0.90	2.62	3500	3.00	0.92	2.70	1/2	3
SIS-18	8300	4.95	0.60	4.33	7700	4.86	0.73	4.26	7100	4.97	0.81	4.35	6500	4.93	0.89	4.32	5800	4.94	0.93	4.32	1/2	5
SIS-20	12500	9.91	0.46	8.45	11700	9.83	0.56	8.38	11000	9.89	0.64	8.43	10300	9.94	0.71	8.48	9500	9.90	0.76	8.48	2	10
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 dataclick here.