Duall Division

Models & Specifications — Previous Page

NH Size 120
Outlet Size 47-3/4" x 62-1/2" I.D • Inlet Size 62" I.D. • Tip speed = RPM x 15.71
Wheel Diameter 60" • Outlet Area 20.71 Sq. Ft. Inside • Max. BHP = 223.8(RPM/1000)³

S.P.		1.00		2.00		3.00		4.00		5.00		6.00		7.00		8.00		9.00		10.00		11.00		12.00		13.00		14.00
CFM	OV	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP
42000	2028	421	14.75	474	22.00	521	29.40	568	37.40	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*
43700	2110	433	15.96	485	23.54	532	31.26	577	39.43	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*
45400	2192	446	17.36	496	25.15	542	33.02	586	41.52	628	50.32	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*
47100	2274	459	18.83	507	26.70	553	35.03	595	43.68	636	52.53	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*
48800	2356	472	20.35	519	28.48	564	37.12	604	45.80	645	55.07	683	64.56	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*
50500	2438	486	22.09	531	30.33	574	39.09	614	48.06	654	57.68	691	67.17	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*
52200	2521	499	3.79	543	32.27	585	41.34	625	50.64	662	60.09	700	70.15	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*	*
53900	2603	513	25.72	555	34.28	596	43.67	635	53.03	671	62.82	709	73.22	744	83.71	*	*	*	*	*	*	*	*	*	*	*	*	*	*
55600	2685	527	27.75	568	36.58	607	46.10	646	55.80	682	65.89	717	76.05	752	86.81	*	*	*	*	*	*	*	*	*	*	*	*	*	*
57300	2767	541	29.89	580	38.78	619	48.64	657	58.65	692	68.77	726	79.28	761	90.34	793	101.28	*	*	*	*	*	*	*	*	*	*	*	*
59000	2849	555	32.14	592	41.06	631	51.28	668	61.59	703	72.04	735	82.57	770	93.97	802	105.19	*	*	*	*	*	*	*	*	*	*	*	*
60700	2931	569	34.51	605	43.65	643	54.02	678	64.34	713	75.09	746	86.25	778	97.31	811	109.21	841	120.78	*	*	*	*	*	*	*	*	*	*
62400	3013	583	36.99	617	46.13	655	56.85	689	67.47	724	78.55	756	89.69	787	101.11	819	112.90	850	125.18	*	*	*	*	*	*	*	*	*	*
64100	3095	597	39.59	630	48.93	667	59.78	700	70.70	735	82.11	766	93.21	796	104.86	828	117.10	858	129.24	887	141.74	*	*	*	*	*	*	*	*
65800	3177	611	42.31	643	51.85	679	62.81	712	74.10	745	85.44	777	97.21	807	109.17	837	121.40	867	133.83	896	146.64	924	159.75	*	*	*	*	*	*
67500	3259	625	45.15	656	54.85	691	65.95	724	77.58	756	89.22	788	101.31	817	113.19	846	125.80	876	138.53	905	151.64	932	164.52	*	*	*	*	*	*
69200	3341	639	48.13	669	57.93	703	69.19	736	81.17	767	93.10	798	105.14	828	117.73	856	130.36	884	142.85	913	156.23	941	169.92	967	183.2	*	*	*	*
70900	3423	653	51.23	683	61.39	716	72.84	748	84.88	778	97.09	809	109.47	838	121.96	866	134.88	893	147.76	922	161.44	949	174.88	976	189.09	*	*	*	*
72600	3506	667	54.46	696	64.71	728	76.31	760	88.70	790	101.44	820	113.91	849	126.73	876	139.50	903	153.09	931	166.76	958	180.50	984	194.42	1009	208.45	*	*
74300	3588	682	58.09	710	68.45	741	80.21	772	92.63	801	105.33	831	118.47	860	131.62	887	144.71	913	158.11	939	171.65	967	186.23	993	200.45	1018	214.77	*	*
76000	3670	696	61.61	724	72.32	753	83.91	784	96.68	813	109.73	842	123.16	870	136.17	897	149.56	923	163.25	948	177.17	975	191.49	1001	205.98	1026	220.57	1281	154.85
77700	3752	710	65.27	738	76.34	766	88.07	796	100.85	825	114.25	853	127.96	881	141.31	908	155.02	934	169.03	959	183.28	984	197.45	1010	212.23	1035	227.12	1291	158.98
79400	3834	724	69.07	752	80.52	778	92.02	809	105.54	837	118.89	864	132.73	892	146.57	919	160.62	944	174.40	969	188.94	993	203.52	1019	218.61	1044	233.80	1051	235.87
81100	3916	739	73.33	765	84.51	791	96.44	821	109.96	849	123.67	876	137.85	903	151.97	929	165.81	955	180.45	979	194.72	1003	209.72	1028	225.11	1052	239.92	1059	242.04
82800	3998	753	77.44	779	88.98	804	100.96	833	114.52	861	128.57	888	143.11	914	157.49	940	171.66	966	186.64	990	201.23	1013	215.91	1036	231.07	1061	246.84	1068	249.01

All capacities based on Standard Air (Density .075 #/cu. ft. — 70°F —29.92" Hg. Bar). Performance shown is for NH exhaust fans for installation type B-free inlet, ducted outlet.
Power rating (BHP) does not include drive losses. Performance ratings do not include the effects of appurtenances in the airstream.
Note: Uncolored area indicates Class II wheel; Purple area indicates Class III wheel; Green area indicates Class IV wheel. Asterisk (*) = Unstable Operating Range

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Duall
1550 Industrial Drive, Owosso, MI 48867
Phone: 989-725-8184 Fax: 989-725-8188
E-mail: info@dualldiv.com

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