Air Density Factors for Various Temperatures and Altitudes

UnityBasis =Standard AirDensityof.075lb/ft ³ At sea level (29.92 in. Hg barometric pressure) this is equivalent to dry air at 70oF.

Air								Altitude in Feet Above Sea Le ve l
Tem p.		0	1000				2000				3000			4000		5000			6000		7 00 0		8 00 0		9 00 0	10000		15 00 0	20000
Barom etric Pressure in Inches of M ercury
oF	29 .92			2 8.86		2 7.8 2				2 6.8 2			2 5.84		2 4.90			2 3.98		2 3.09		22 .22		21 .3 9			2 0.58	1 6.89	1 3.75
7 0	1.0 00			.96 4		.93 0				.89 6			.86 4		.83 2			.80 1		.77 2		.7 43		.7 14			.68 8	.56 4	.46 0
1 00	.9 46			.91 2		.88 0				.84 8			.81 8		.78 7			.75 8		.73 0		.7 03		.6 76			.65 1	.53 4	.43 5
1 50	.8 69			.83 8		.80 8				.77 0			.75 1		.72 3			.69 6		.67 1		.6 56		.6 20			.59 8	.49 0	.40 0
2 00	.8 03			.77 4		.74 7				.72 0			.69 4		.66 8			.64 3		.62 0		.5 96		.5 73			.55 2	.45 3	.36 0
2 50	.7 47			.72 0		.69 4				.66 9			.64 5		.62 2			.59 8		.57 6		.5 55		.5 33			.51 4	.42 1	.34 4
3 00	.6 97			.67 2		.64 8				.62 4			.60 4		.58 0			.55 8		.53 8		.5 18		.4 98			.48 0	.39 3	.32 1
3 50	.6 54			.63 1		.60 8				.58 6			.56 5		.54 4			.52 4		.50 5		.4 86		.4 67			.45 0	.36 9	.30 1
4 00	.6 16			.59 4		.57 3				.55 2			.53 2		.51 3			.49 3		.47 6		.4 58		.4 40			.42 4	.34 7	.28 3
4 50	.5 82			.56 1		.54 2				.52 2			.50 3		.48 4			.46 6		.44 9		.4 33		.4 16			.40 1	.32 8	.26 8
5 00	.5 52			.53 2		.51 3				.49 5			.47 7		.45 9			.44 2		.42 6		.4 10		.3 94			.38 0	.31 1	.25 4
5 50	.5 25			.50 6		.48 8				.47 0			.45 4		.43 7			.42 1		.40 5		.3 90		.3 75			.36 1	.29 6	.24 2
6 00	.5 00			.48 2		.46 9				.44 8			.43 2		.41 6			.40 0		.38 6		.3 72		.3 52			.34 4	.28 2	.23 0
6 50	.4 77			.46 0		.44 4				.42 7			.41 2		.39 7			.38 2		.36 8		.3 54		.3 41			.32 8	.26 9	.21 9
7 00	.4 57			.44 1		.42 5				.41 0			.39 5		.38 0			.36 6		.35 3		.3 40		.3 26			.31 5	.25 8	.21 0
8 00	.4 20			.40 4		.38 9				.37 5			.36 2		.35 0			.33 6		.32 3		.3 11		.3 00			.29 0	.23 7	.19 3
All performance tables are based on standard air density which is .075 lbs./ft 3 .
When desired performance is at other than standard conditions (.075 lbs./ft3 ), it must be converted to equivalent standard condition before entering the tables.
Temperatue Operating Limits
Temperature RPM Derating Factors in Percent:
Steel Wheel									Aluminum Wheel
300oF					100%							150oF					100%
301-400oF					96%							151-200oF					95%
401-500oF					92%							201-250oF					80%
501-600oF					85%

Wheel Weights and WR² in lbs. Ft²

Plenum Fan Size	SW SI				DW DI
	Class I		Class II		Class I		Class II
	Weight	WR2	Weight	WR2	Weight	WR2	Weight	W R2
PL150	27.5	4.3	33.6	5.7	42.3	7	75.4	10.4
PL165	35	6.9	42.3	8.3	74.3	12	84.8	14.6
PL182	41	10.5	49.6	12.6	84.6	17.5	97.4	21.3
PL200	56.5	17	56.4	17.4	111.4	30.3	111.4	30.3
PL222	67.5	22.9	60.3	23	130.6	45.6	115	38.3
PL245	80.5	38.4	77.6	34.2	152.6	66.7	135	56.8
PL270	77	48	78	48	133	76	132	76
PL300	99	72	99	72	156	112	154	112
PL330	133	121	133	121	200	181	218	184
PL365	159	181	161	182	238	268	257	272
PL402	204	285	204	285	331	440	386	461
PL445	247	427	282	437	395	654	447	676
PL490	363	776	400	789	593	1131	587	1132
PL542	496	1226	496	1226	734	1772	848	1844
PL600	585	1799	614	1896	863	2604	1032	2868
PL660	699	2641	730	2766	1149	3884	1198	4144
PL730	830	3875	1005	4072	1338	5688	1388	6044

CAUTION:	WR2 m referred to the motor is	Motor manufactures differ on the
The minimum motor starting		WR2m capabilities of their
requirements shown on the	(RPM Plenum Fan / RPM MTR)2 x WR2 Plenum Fan x 1.1	motors. An average value for
performance pages are for belt		standard design B, open drip-
driven units	Direct driven units will require larger motors	proof, 1750 RPM motors was
	to accelerate the Plenum Fan inertia load to the	used to determine the minimum
	design speed.	motor hp.

NIS-CO BLOWERS PLENUM FanS

Performance shown is for installation type A -Free inlet,Free Outlet Power rating (BHP) does not include drive losses. Performance ratings do not include the effects of appurtenances in the airstream .

NIS-CO BLOWERS PLENUM FANS

VOL CFM	.5 SP		.625 SP		.75 SP		.875 SP		1SP		1.25SP		1.50SP		1.75 SP		2 SP		2.25 SP
	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP
1626	789	0.21	859	0.26	933	0.32	-	-	-	-	-	-	-	-	-	-	-	-	-	-
1936	846	0.27	902	0.32	959	0.37	1018	0.43	1079	0.50	-	-	-	-	-	-	-	-	-	-
2246	917	0.34	964	0.39	1011	0.45	1059	0.51	1109	0.58	1211	0.72	-	-	-	-	-	-	-	-
2556	994	0.42	1035	0.48	1077	0.55	1119	0.61	1160	0.68	1246	0.83	1334	0.98	1427	1.16	-	-	-	-
2865	1075	0.52	1113	0.59	1150	0.66	1187	0.73	1224	0.81	1299	0.96	1375	1.12	1453	1.29	1533	1.47	1617	1.68
3175	1160	0.65	1195	0.72	1229	0.79	1262	0.87	1296	0.95	1363	1.11	1430	1.28	1498	1.45	1568	1.64	1639	1.83
3485	1248	0.79	1279	0.87	1311	0.95	1342	1.03	1372	1.11	1433	1.29	1494	1.47	1555	1.65	1617	1.84	1680	2.04
3795	1337	0.96	1366	1.04	1395	1.13	1424	1.21	1452	1.30	1509	1.49	1565	1.68	1621	1.87	1677	2.07	1733	2.27
4104	1428	1.15	1455	1.24	1482	1.33	1508	1.43	1535	1.52	1588	1.71	1640	1.91	1692	2.12	1743	2.33	1795	2.54
4414	1519	1.38	1545	1.47	1570	1.57	1595	1.66	1620	1.76	1669	1.97	1718	2.18	1766	2.39	1815	2.61	1863	2.83
4724	1612	1.63	1636	1.73	1660	1.83	1683	1.93	1707	2.04	1753	2.25	1799	2.47	1845	2.70	1890	2.93	1935	3.16
5034	1705	1.91	1728	2.02	1751	2.13	1773	2.24	1795	2.34	1839	2.57	1882	2.80	1925	3.03	1968	3.28	2010	3.52
5343	1798	2.23	1821	2.34	1842	2.46	1863	2.57	1884	2.69	1926	2.92	1967	3.16	2007	3.41	2048	3.66	2088	3.91
5653	1892	2.58	1914	2.70	1934	2.82	1955	2.94	1975	3.07	2014	3.31	2053	3.56	2092	3.82	2130	4.08	2168	4.34
5963	1987	2.97	2007	3.10	2027	3.23	2047	3.36	2066	3.48	2103	3.74	2140	4.00	2177	4.27	2214	4.54	2251	4.81
6273	2082	3.40	2101	3.53	2120	3.67	2139	3.81	2158	3.94	2194	4.21	2229	4.48	2264	4.76	2299	5.04	2334	5.32
VOL CFM	2.5 SP		3SP		3.5 SP		4SP		4.5 SP		5SP		5.5 SP		6SP		6.5 SP		7SP
	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP
3485 3795 4104 4414 4724 5034 5343 5653 5963 6273 6582 6892 7202 7512	1744 1790 1847 1911 1979 2052 2128 2206 2287 2369 2452 2537 2623 2710	2.24 2.48 2.76 3.06 3.40 3.77 4.17 4.61 5.09 5.62 6.18 6.79 7.45 8.15	1876 1907 1953 2007 2069 2136 2208 2282 2359 2438 2518 2600 2684 2769	2.69 2.93 3.21 3.53 3.89 4.28 4.71 5.17 5.67 6.21 6.80 7.43 8.10 8.83	2015 2029 2061 2106 2160 2221 2287 2357 2430 2506 2583 2663 2744 2827	3.22 3.41 3.69 4.03 4.40 4.81 5.25 5.73 6.26 6.82 7.43 8.08 8.78 9.52	-2155 2173 2207 2252 2306 2367 2432 2501 2573 2648 2725 2804 2884	-3.96 4.21 4.54 4.93 5.35 5.81 6.32 6.86 7.44 8.07 8.74 9.46 10.23	--2288 2310 2346 2393 2447 2507 2572 2641 2713 2787 2863	--4.79 5.09 5.47 5.91 6.39 6.91 7.47 8.08 8.73 9.42 10.16	---2416 2442 2480 2528 2583 2644 2709 2777 2849	---5.69 6.06 6.49 6.99 7.52 8.10 8.73 9.40 10.11	---2526 2540 2570 2611 2660 2716 2776 2842 2910	---6.37 6.68 7.10 7.60 8.15 8.75 9.39 10.08 10.81	----2641 2661 2695 2738 2788 2845 2906	----7.36 7.75 8.24 8.79 9.40 10.06 10.77	----2745 2755 2780 2816 2862 2914	----8.12 8.44 8.90 9.46 10.08 10.75	-----2851 2867 2896	-----9.19 9.61 10.15
																			2936 2983	10.77 11.46
																	2971	11.48	3037	12.20
															2972	11.53	3033	12.25	3095	12.99
											2922	10.87	2981	11.59	3040	12.33	3099	13.07	3158	13.83
									2942	10.95	2998	11.68	3055	12.43	3111	13.18	3168	13.95	3224	14.72

Performanceshownis forinstallationtypeA-Freeinlet,FreeOutlet Power rating (BHP) does not include drive losses. Performance ratings do not include the effects of appurtenances in the airstream.

NIS-CO BLOWERS PLENUM FANS

VOL CFM	.5 SP		.625 SP		.75 SP		.875 SP		1SP		1.25SP		1.50SP		1.75 SP		2 SP		2.25 SP
	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP
1994	717	0.27	782	0.33	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
2374	769	0.34	819	0.40	871	0.48	926	0.56	-	-	-	-	-	-	-	-	-	-	-	-
2754	835	0.43	877	0.50	919	0.57	962	0.65	1007	0.74	1103	0.92	-	-	-	-	-	-	-	-
3133	905	0.54	943	0.61	980	0.69	1017	0.78	1054	0.86	1131	1.05	1214	1.26	-	-	-	-	-	-
3513	978	0.67	1014	0.75	1048	0.84	1081	0.93	1114	1.02	1180	1.21	1248	1.42	1320	1.64	1396	1.88	-	-
3893	1054	0.82	1087	0.92	1119	1.01	1150	1.11	1180	1.21	1239	1.40	1299	1.61	1360	1.84	1424	2.08	1490	2.34
4273	1132	1.01	1163	1.11	1193	1.21	1222	1.32	1250	1.42	1305	1.63	1359	1.85	1413	2.08	1469	2.32	1525	2.58
4653	1212	1.22	1240	1.33	1268	1.44	1295	1.55	1322	1.66	1374	1.89	1425	2.12	1474	2.36	1524	2.61	1574	2.87
5032	1294	1.47	1319	1.58	1345	1.70	1371	1.82	1396	1.94	1446	2.19	1494	2.43	1540	2.68	1586	2.94	1632	3.21
5412	1377	1.75	1400	1.87	1424	1.99	1448	2.12	1472	2.25	1519	2.51	1565	2.78	1609	3.04	1652	3.31	1695	3.59
5792	1461	2.08	1483	2.20	1504	2.33	1527	2.46	1549	2.60	1594	2.87	1638	3.16	1680	3.44	1721	3.72	1762	4.01
6172	1546	2.44	1566	2.57	1587	2.71	1607	2.84	1628	2.98	1670	3.28	1712	3.57	1753	3.87	1792	4.18	1831	4.48
6552	1631	2.84	1651	2.99	1670	3.13	1689	3.27	1708	3.42	1748	3.72	1787	4.03	1826	4.35	1865	4.67	1902	4.99
6931	1717	3.29	1735	3.45	1754	3.60	1772	3.75	1790	3.90	1827	4.21	1864	4.54	1902	4.87	1938	5.21	1974	5.55
7311	1803	3.79	1821	3.95	1838	4.12	1855	4.27	1872	4.43	1907	4.75	1942	5.09	1978	5.44	2013	5.79	2048	6.15
7691	1890	4.35	1906	4.51	1923	4.68	1940	4.85	1956	5.02	1988	5.35	2021	5.70	2055	6.06	2089	6.42	2123	6.80
VOL CFM	2.5 SP		3SP		3.5 SP		4SP		4.5 SP		5SP		5.5 SP		6SP		6.5 SP		7SP
	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP
4273 4653 5032 5412 5792 6172 6552 6931 7311 7691 8071 8451 8830 9210	1584 1626 1678 1737 1802 1869 1938 2010 2082 2156 2230 2306 2383 2460	2.85 3.14 3.48 3.87 4.30 4.79 5.31 5.88 6.50 7.17 7.89 8.66 9.49 10.39	1709 1733 1773 1824 1881 1944 2010 2078 2149 2220 2293 2366 2441 2517	3.44 3.72 4.07 4.46 4.91 5.41 5.97 6.57 7.22 7.92 8.67 9.48 10.34 11.27	-1847 1872 1912 1962 2019 2080 2145 2213 2282 2353 2425 2498 2572	-4.36 4.70 5.10 5.55 6.07 6.64 7.26 7.94 8.68 9.46 10.31 11.20 12.16	--1978 2005 2045 2095 2151 2212 2276 2343 2412 2482 2554 2626	--5.39 5.78 6.24 6.76 7.34 7.98 8.68 9.44 10.26 11.13 12.07 13.06	---2102 2131 2172 2222 2279 2339 2403 2470 2538 2608	---6.51 6.96 7.48 8.07 8.72 9.44 10.22 11.07 11.97 12.93	---2204 2221 2253 2296 2346 2403 2463 2527 2593 2662	---7.29 7.73 8.25 8.84 9.50 10.23 11.02 11.89 12.82 13.81	----2314 2336 2371 2415 2467 2523 2584 2648	----8.54 9.05 9.64 10.31 11.04 11.85 12.73 13.68	-----2422 2448 2486 2532 2584 2642	-----9.91 10.49 11.15 11.89 12.70 13.59	-----2513 2529 2558 2598 2646	-----10.80 11.37 12.03 12.77 13.59	------2612 2633 2666	------12.30 12.94 13.68
																			2709	14.50
																	2699	14.49	2758	15.40
															2703	14.56	2757	15.46	2812	16.39
													2714	14.70	2766	15.60	2819	16.52	2871	17.46
									2679	13.96	2731	14.87	2782	15.78	2833	16.71	2883	17.65	2933	18.60

Performance shown is forinstallationtypeA-Freeinlet,FreeOutlet Power rating(BHP)does not include drive losses. Performance ratings do not include the effects of appurtenances in the airstream.

NIS-CO BLOWERS PLENUM FANS

VOL CFM	.5 SP		.625 SP		.75 SP		.875 SP		1SP		1.25SP		1.50SP		1.75 SP		2 SP		2.25 SP
	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP
2395	654	0.32	714	0.40	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
2851	702	0.40	747	0.48	795	0.57	845	0.67	-	-	-	-	-	-	-	-	-	-	-	-
3307	762	0.51	800	0.60	838	0.69	878	0.78	919	0.88	1007	1.11	-	-	-	-	-	-	-	-
3764	826	0.64	861	0.74	894	0.83	928	0.93	962	1.04	1032	1.26	1108	1.51	-	-	-	-	-	-
4220	893	0.80	925	0.91	956	1.01	986	1.12	1016	1.22	1077	1.45	1139	1.70	1205	1.97	1274	2.26	-	-
4676	962	0.99	992	1.10	1021	1.22	1049	1.33	1077	1.45	1131	1.69	1185	1.94	1241	2.21	1299	2.50	1360	2.81
5132	1033	1.21	1061	1.33	1088	1.45	1115	1.58	1141	1.71	1191	1.96	1240	2.22	1290	2.50	1340	2.79	1392	3.10
5588	1106	1.47	1131	1.59	1157	1.73	1182	1.86	1207	2.00	1254	2.27	1300	2.55	1345	2.84	1391	3.14	1437	3.45
6045	1181	1.76	1204	1.90	1227	2.04	1251	2.18	1274	2.33	1319	2.62	1363	2.92	1405	3.22	1447	3.53	1489	3.85
6501	1257	2.11	1278	2.25	1299	2.39	1321	2.55	1343	2.70	1386	3.02	1428	3.33	1468	3.65	1508	3.98	1547	4.31
6957	1333	2.49	1353	2.64	1373	2.80	1393	2.95	1414	3.12	1454	3.45	1494	3.79	1533	4.13	1571	4.47	1608	4.82
7413	1411	2.93	1429	3.09	1448	3.25	1466	3.41	1485	3.58	1524	3.93	1562	4.29	1599	4.65	1635	5.01	1671	5.38
7869	1488	3.42	1506	3.59	1524	3.76	1541	3.93	1559	4.10	1595	4.47	1631	4.84	1667	5.22	1702	5.61	1736	5.99
8326	1566	3.95	1584	4.14	1600	4.32	1617	4.50	1633	4.68	1667	5.06	1701	5.45	1735	5.85	1769	6.25	1802	6.66
8782	1645	4.55	1661	4.75	1677	4.94	1693	5.13	1708	5.32	1740	5.71	1772	6.11	1805	6.53	1837	6.96	1869	7.38
9238	1725	5.22	1739	5.42	1755	5.63	1770	5.83	1785	6.03	1814	6.43	1845	6.84	1875	7.28	1906	7.72	1937	8.16
VOL CFM	2.5 SP		3SP		3.5 SP		4SP		4.5 SP		5SP		5.5 SP		6SP		6.5 SP		7SP
	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP
5132 5588 6045 6501 6957 7413 7869 8326 8782 9238 9694 10150 10607 11063	1446 1483 1531 1585 1644 1705 1769 1834 1900 1967 2035 2104 2174 2245	3.42 3.77 4.18 4.65 5.17 5.75 6.38 7.07 7.81 8.61 9.47 10.40 11.40 12.47	1560 1581 1618 1664 1717 1774 1834 1896 1961 2026 2092 2159 2228 2296	4.13 4.47 4.88 5.36 5.90 6.50 7.16 7.89 8.67 9.51 10.42 11.39 12.42 13.53	-1686 1709 1745 1790 1842 1898 1958 2019 2083 2147 2213 2280 2347	-5.24 5.64 6.12 6.67 7.29 7.97 8.72 9.54 10.42 11.37 12.38 13.46 14.60	--1805 1829 1866 1911 1963 2018 2077 2138 2201 2265 2330 2397	--6.47 6.94 7.49 8.11 8.81 9.58 10.43 11.34 12.32 13.37 14.49 15.68	---1918 1945 1982 2028 2079 2135 2193 2254 2316 2380	---7.81 8.36 8.98 9.69 10.48 11.34 12.28 13.29 14.38 15.53	---2011 2026 2056 2095 2141 2192 2248 2306 2366 2429	---8.75 9.28 9.90 10.61 11.41 12.28 13.24 14.28 15.39 16.58	----2112 2132 2163 2204 2251 2303 2358 2416	----10.26 10.87 11.58 12.38 13.26 14.23 15.29 16.43	-----2211 2234 2268 2310 2358 2410	-----11.90 12.59 13.39 14.28 15.26 16.33	-----2293 2307 2334 2371 2414	-----12.97 13.66 14.44 15.33 16.32	------2383 2403 2433	------14.77 15.55 16.43
																			2472	17.41
																	2463	17.40	2517	18.50
															2466	17.49	2516	18.57	2566	19.68
													2477	17.65	2524	18.73	2572	19.84	2620	20.97
									2445	16.76	2492	17.85	2539	18.95	2585	20.06	2630	21.19	2676	22.34

Performance shown is forinstallationtype A-Free inlet,Free Outlet Power rating (BHP) does not include drive losses. Performance ratings do not include the effects of appurtenances in the airstream.

NIS-CO BLOWERS PLENUM FANS

VOL CFM	.5 SP		.625 SP		.75 SP		.875 SP		1SP		1.25SP		1.50SP		1.75 SP		2 SP		2.25 SP
	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP
2686 3251 3816 4382 4947 5513 6078 6643 7209 7774 8340 8905 9470 10036 10601 11167	576 617 669 728 791 857 924 993 1064 1135 1207 1279 1352 1426 1499 1573	0.35 0.44 0.56 0.71 0.89 1.11 1.37 1.66 2.01 2.41 2.86 3.38 3.96 4.60 5.32 6.11	630 660 705 759 819 882 948 1015 1084 1154 1224 1296 1368 1440 1514 1587	0.44 0.54 0.66 0.82 1.01 1.24 1.51 1.82 2.17 2.58 3.05 3.57 4.16 4.82 5.55 6.35	-704 742 791 847 907 971 1036 1104 1172 1242 1312 1383 1455 1527 1600	-0.64 0.77 0.93 1.13 1.37 1.65 1.97 2.34 2.76 3.24 3.77 4.37 5.04 5.78 6.59	-748 779 823 875 932 994 1057 1123 1191 1259 1328 1399 1470 1541 1613	-0.74 0.88 1.05 1.26 1.51 1.79 2.13 2.51 2.94 3.43 3.97 4.58 5.26 6.01 6.84	-793 816 855 903 958 1016 1078 1143 1209 1276 1345 1414 1484 1555 1627	-0.86 1.00 1.17 1.39 1.64 1.94 2.28 2.68 3.12 3.62 4.17 4.80 5.48 6.24 7.08	--891 919 959 1008 1062 1120 1181 1245 1310 1377 1444 1513 1583 1653	--1.25 1.43 1.66 1.93 2.25 2.61 3.02 3.48 4.00 4.58 5.23 5.94 6.72 7.58	---984 1016 1059 1108 1162 1220 1281 1344 1408 1474 1542 1610 1679	---1.72 1.95 2.23 2.56 2.94 3.37 3.86 4.40 5.00 5.67 6.40 7.20 8.08	---1051 1074 1109 1154 1204 1258 1316 1377 1440 1504 1570 1637 1704	---2.01 2.26 2.55 2.89 3.29 3.73 4.24 4.80 5.42 6.11 6.86 7.69 8.59	----1132 1161 1200 1246 1297 1352 1410 1471 1534 1598 1663 1730	----2.58 2.89 3.24 3.64 4.11 4.63 5.21 5.85 6.56 7.34 8.18 9.11	----1191 1212 1246 1288 1335 1388 1444 1502 1563 1626 1690 1755	----2.92 3.24 3.60 4.01 4.49 5.03 5.62 6.29 7.01 7.81 8.68 9.63
VOL CFM	2.5 SP		3SP		3.5 SP		4SP		4.5 SP		5SP		5.5 SP		6SP		6.5 SP		7SP
	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP
6078 6643 7209 7774 8340 8905 9470 10036 10601 11167 11732 12297 12863 13428 13994	1293 1330 1374 1423 1477 1533 1592 1653 1716 1780 1846 1912 1979 2047 2116	3.97 4.40 4.89 5.44 6.05 6.73 7.48 8.29 9.19 10.16 11.20 12.34 13.56 14.87 16.3	1387 1415 1452 1495 1543 1596 1651 1709 1769 1830 1893 1958 2023 2089 2156	4.76 5.21 5.72 6.29 6.93 7.64 8.43 9.28 10.21 11.22 12.31 13.49 14.75 16.11 17.6	1483 1501 1530 1567 1610 1658 1709 1764 1821 1880 1941 2003 2067 2131	5.60 6.07 6.60 7.19 7.86 8.59 9.41 10.30 11.26 12.31 13.44 14.66 15.97 17.37	-1589 1610 1640 1678 1721 1768 1819 1873 1930 1988 2048 2110	-6.97 7.52 8.14 8.82 9.58 10.42 11.34 12.34 13.43 14.59 15.85 17.20	--1690 1713 1745 1784 1827 1875 1925 1979 2035 2093 2153	--8.49 9.13 9.83 10.61 11.47 12.42 13.45 14.57 15.77 17.06 18.45	--1772 1788 1814 1847 1886 1930 1978 2029 2082 2138	--9.49 10.16 10.88 11.68 12.56 13.53 14.59 15.74 16.97 18.30	---1863 1882 1911 1946 1986 2031 2079 2130	---11.22 11.97 12.79 13.69 14.68 15.76 16.94 18.20	----1952 1975 2006 2042 2083 2129	----13.10 13.94 14.86 15.87 16.97 18.17	----2022 2040 2066 2098 2136	----14.25 15.12 16.06 17.09 18.21	-----2105 2126 2155	-----16.33 17.30 18.35
																			2190	19.49
																	2179	19.43	2229	20.72
															2177	19.46	2225	20.75	2272	22.06
													2183	19.56	2229	20.85	2274	22.17	2319	23.51
											2196	19.72	2239	21.02	2282	22.34	2325	23.69	2369	25.06
							2173	18.64	2214	19.93	2256	21.25	2297	22.58	2338	23.93	2379	25.31	2421	26.71
					2197	18.9	2237	20.2	2277	21.5	2316	22.9	2356	24.2	2396	25.6	2435	27	2475	28.5

Performance shown is forinstallation type A-Free inlet,Free Outlet Power rating (BHP) does not include drive losses. Performance ratings do notinclude the effects ofappurtenances in the airstream.

NIS-CO BLOWERS PLENUM FANS

VOL CFM	.5 SP		.625 SP		.75 SP		.875 SP		1 SP		1.25 SP		1.50 SP		1.75 SP		2 SP		2.25 SP
	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP
3256 3942 4627 5313 5998 6684 7369 8055 8740 9426 10111 10797 11482 12168 12854 13539	523 560 608 661 718 778 839 902 966 1031 1096 1162 1228 1295 1362 1429	0.43 0.54 0.68 0.86 1.08 1.34 1.66 2.02 2.44 2.92 3.47 4.10 4.80 5.58 6.45 7.41	572 599 641 690 744 801 861 922 984 1048 1112 1177 1242 1308 1375 1441	0.53 0.65 0.80 0.99 1.23 1.50 1.83 2.20 2.64 3.13 3.70 4.33 5.05 5.84 6.73 7.70	-639 674 7.18 7.69 8.24 8.82 9.41 1002 1064 1128 1192 1256 1321 1387 1453	-0.77 0.93 1.13 1.37 1.66 2.00 2.39 2.84 3.35 3.92 4.57 5.30 6.11 7.01 8.00	-679 707 747 795 847 902 960 1020 1081 1143 1206 1270 1335 1400 1465	-0.90 1.07 1.27 1.53 1.82 2.17 2.58 3.04 3.56 4.15 4.82 5.56 6.38 7.29 8.29	-720 741 776 820 870 923 979 1038 1098 1159 1221 1284 1348 1412 1477	-1.04 1.21 1.42 1.68 1.99 2.35 2.77 3.24 3.78 4.39 5.06 5.81 6.65 7.57 8.59	--809 835 871 915 965 1017 1073 1131 1190 1250 1312 1374 1437 1501	--1.51 1.74 2.01 2.34 2.72 3.16 3.66 4.22 4.85 5.56 6.34 7.20 8.15 9.19	---894 923 961 1006 1055 1108 1163 1220 1279 1339 1400 1462 1525	---2.08 2.37 2.71 3.11 3.57 4.09 4.67 5.33 6.06 6.87 7.76 8.73 9.80	---954 975 1007 1048 1093 1143 1196 1251 1308 1366 1426 1486 1548	---2.44 2.74 3.09 3.51 3.98 4.53 5.14 5.82 6.57 7.41 8.32 9.33 10.42	----1028 1054 1089 1131 1178 1228 1281 1336 1393 1451 1511 1571	----3.13 3.50 3.92 4.42 4.98 5.61 6.31 7.09 7.95 8.89 9.92 11.05	----1081 1101 1131 1169 1213 1260 1311 1364 1419 1476 1535 1594	----3.54 3.92 4.36 4.87 5.44 6.09 6.82 7.62 8.50 9.47 10.53 11.68
VOL CFM	2.5 SP		3SP		3.5 SP		4SP		4.5 SP		5SP		5.5 SP		6SP		6.5 SP		7SP
	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP
7369 8055 8740 9426 10111 10797 11482 12168 12854 13539 14225 14910 15596 16281 16967	1174 1208 1248 1293 1341 1392 1446 1502 1558 1617 1676 1736 1797 1859 1921	4.82 5.33 5.93 6.59 7.34 8.16 9.07 10.06 11.14 12.31 13.59 14.96 16.44 18.03 19.7	1260 1285 1319 1358 1402 1449 1499 1552 1606 1662 1719 1778 1837 1897 1958	5.77 6.32 6.93 7.63 8.41 9.27 10.22 11.25 12.38 13.61 14.93 16.36 17.89 19.53 21.30	1347 1363 1390 1423 1462 1506 1552 1602 1654 1707 1762 1819 1877 1935	6.79 7.36 8.00 8.72 9.52 10.42 11.41 12.48 13.66 14.93 16.30 17.77 19.36 21.06	-1443 1462 1489 1524 1563 1606 1652 1701 1752 1805 1860 1916	-8.45 9.12 9.86 10.69 11.62 12.64 13.75 14.96 16.28 17.69 19.22 20.85	--1535 1556 1585 1620 1659 1702 1749 1797 1848 1901 1955	--10.30 11.07 11.92 12.87 13.91 15.06 16.31 17.66 19.12 20.69 22.37	--1609 1623 1647 1677 1713 1753 1796 1843 1891 1942	--11.51 12.32 13.19 14.16 15.23 16.41 17.69 19.08 20.58 22.19	---1692 1710 1735 1767 1804 1844 1888 1934	---13.61 14.52 15.51 16.60 17.80 19.11 20.53 22.07	----1773 1794 1821 1855 1892 1933	----15.88 16.90 18.02 19.24 20.58 22.03	----1837 1852 1876 1906 1940	----17.28 18.34 19.48 20.72 22.08	-----1912 1931 1957	-----19.81 20.98 22.24
																			1989	23.63
																	1979	23.56	2024	25.13
															1977	23.59	2020	25.16	2064	26.75
													1983	23.72	2024	25.28	2065	26.88	2106	28.50
											1994	23.92	2034	25.49	2073	27.09	2112	28.72	2151	30.38
							1973	22.60	2011	24.17	2048	25.76	2086	27.38	2123	29.02	2161	30.69	2198	32.39
					1995	22.9	2031	24.5	2068	26.1	2104	27.7	2140	29.4	2176	31.1	2212	32.8	2248	34.5

Performance shown is for installation type A -Free inlet, Free Outlet Power rating (BHP) does not include drive losses. Performance ratings do not include the effects of appurtenances in the airstream.

NIS-CO BLOWERS PLENUM FANS

Performance shown is for installation type A -Free inlet,Free Outlet Power rating (BHP) does not include drive losses. Performance ratings do not include the effects of appurtenances in the airstream.

NIS-CO BLOWERS PLENUM FANS

VOL CFM	.5 SP		.75 SP		1SP		1.25 SP		1.50 SP		1.75 SP		2 SP		2.25 SP		2.5 SP		3SP
	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP
4136 5170 6204 7238 8272 9306 10340 11374 12408 13442 14476 15510 16544	438 491 551 614 679 746 813 882 950 1020 1089 1159 1229	0.47 0.62 0.82 1.06 1.35 1.70 2.13 2.63 3.21 3.88 4.64 5.51 6.49	502 541 594 653 716 780 845 912 979 1047 1116 1185 1254	0.70 0.88 1.11 1.39 1.73 2.12 2.58 3.12 3.74 4.45 5.27 6.19 7.21	-592 636 690 749 812 875 940 1006 1073 1140 1208 1277	-1.16 1.42 1.73 2.11 2.55 3.05 3.63 4.28 5.04 5.89 6.85 7.92	-645 678 726 782 841 903 967 1032 1097 1164 1231 1299	-1.46 1.75 2.09 2.50 2.97 3.52 4.14 4.84 5.63 6.52 7.51 8.63	--721 762 813 870 930 993 1056 1121 1186 1252 1319	--2.09 2.46 2.90 3.41 4.00 4.66 5.40 6.24 7.16 8.20 9.34	--765 798 845 898 956 1017 1080 1143 1208 1273 1339	--2.45 2.85 3.32 3.86 4.48 5.18 5.97 6.84 7.81 8.89 10.07	--810 835 876 926 982 1041 1102 1165 1229 1293 1359	--2.83 3.26 3.75 4.32 4.97 5.71 6.54 7.46 8.47 9.59 10.81	---872 908 954 1007 1064 1124 1186 1249 1313 1378	---3.67 4.19 4.79 5.48 6.25 7.11 8.07 9.13 10.29 11.56	---910 940 982 1032 1087 1146 1207 1269 1332 1396	---4.10 4.65 5.28 5.99 6.80 7.70 8.69 9.79 11.00 12.31	----1005 1038 1082 1133 1188 1247 1307 1369 1432	----5.60 6.28 7.05 7.92 8.88 9.95 11.13 12.42 13.81
VOL CFM	3.5 SP		4 SP		4.5 SP		5SP		5.5 SP		6SP		6.5 SP		7SP		7.5 SP		8 SP
	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP
9306 10340 11374 12408 13442 14476 15510 16544 17578 18612 19646 20680 21714	1096 1133 1179 1230 1286 1344 1404 1466 1529 1592 1656	7.33 8.16 9.08 10.10 11.24 12.49 13.85 15.33 16.93 18.66 20.52	1154 1184 1224 1272 1324 1380 1439 1499 1561 1623 1687	8.42 9.30 10.28 11.36 12.56 13.87 15.31 16.86 18.55 20.36 22.31	1215 1236 1271 1314 1363 1416 1473 1531 1592 1653	9.54 10.48 11.52 12.66 13.91 15.29 16.79 18.42 20.18 22.07	-1289 1318 1356 1402 1452 1506 1563 1622 1683	-11.70 12.79 13.99 15.30 16.73 18.30 19.99 21.83 23.80	-1344 1365 1399 1440 1488 1540 1595 1652	-12.95 14.10 15.35 16.72 18.21 19.83 21.59 23.49	--1413 1442 1479 1524 1573 1626 1682	--15.43 16.74 18.17 19.72 21.40 23.22 25.19	--1462 1485 1519 1560 1607 1658	--16.80 18.17 19.65 21.25 22.99 24.87	--1512 1529 1558 1596 1640 1689	--18.21 19.62 21.16 22.82 24.62 26.56	---1574 1599 1633 1674	---21.11 22.70 24.42 26.27	---1620 1639 1670	---22.62 24.27 26.04
																			1708	27.95
																	1720	28.26	1752	30.00
													1712	26.90	1741	28.64	1771	30.41	1800	32.20
									1712	25.54	1740	27.30	1768	29.08	1796	30.89	1824	32.71	1852	34.57
					1716	24.10	1744	25.91	1772	27.73	1800	29.56	1827	31.41	1854	33.29	1880	35.18	1907	37.10
	1721 1787	22.52 24.66	1751 1815	24.39 26.62	1779 1843	26.27 28.59	1807 1870	28.16 30.57	1834 1897	30.06 32.55	1861 1922	31.98 34.55	1887 1948	33.90 36.55	1913 1973	35.85 38.57	1938 1998	37.81 40.61	1964 2022	39.79 42.66

Performance shown is for installation typeA -Free inlet, Free Outlet Power rating (BHP) does not include drive losses. Performance ratings do not include the effects of appurtenances in the airstream.

NIS-CO BLOWERS PLENUM FANS

VOL CFM	.5 SP		.75 SP		1 SP		1.25 SP		1.50 SP		1.75 SP		2 SP		2.25 SP		2.5 SP		3 SP
	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP
5008 6260 7512 8764 10016 11268 12520 13772 15024 16276 17528 18780 20032	398 446 501 559 618 678 739 801 864 927 990 1054 1117	0.57 0.75 0.99 1.28 1.64 2.06 2.57 3.18 3.88 4.70 5.62 6.66 7.85	457 492 540 594 651 709 768 829 890 952 1015 1077 1140	0.85 1.07 1.34 1.68 2.09 2.57 3.12 3.77 4.53 5.39 6.38 7.49 8.73	-538 578 627 681 738 796 855 915 975 1037 1099 1161	-1.41 1.72 2.10 2.55 3.08 3.69 4.39 5.18 6.09 7.12 8.29 9.59	-586 616 660 711 765 821 879 938 998 1058 1119 1180	-1.77 2.12 2.53 3.02 3.60 4.26 5.01 5.86 6.81 7.89 9.09 10.44	--655 693 739 791 846 902 960 1019 1078 1138 1199	--2.53 2.98 3.51 4.13 4.84 5.64 6.54 7.54 8.67 9.92 11.31	--695 726 768 817 869 925 981 1039 1098 1157 1217	--2.97 3.45 4.02 4.67 5.42 6.27 7.22 8.28 9.46 10.75 12.19	--736 759 796 842 893 946 1002 1059 1117 1176 1235	--3.42 3.94 4.54 5.23 6.02 6.91 7.91 9.02 10.25 11.60 13.08	---793 825 867 916 968 1022 1078 1135 1194 1252	---4.44 5.07 5.80 6.63 7.56 8.61 9.77 11.05 12.45 13.99	---827 854 893 938 989 1042 1097 1153 1211 1269	---4.96 5.63 6.39 7.25 8.22 9.31 10.52 11.85 13.30 14.89	----913 944 984 1030 1080 1133 1188 1244 1302	----6.77 7.60 8.53 9.58 10.75 12.04 13.47 15.02 16.71
VOL CFM	3.5 SP		4 SP		4.5 SP		5SP		5.5 SP		6SP		6.5 SP		7SP		7.5 SP		8SP
	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP
11268 12520 13772 15024 16276 17528 18780 20032 21284 22536 23788 25040 26292	996 1030 1072 1118 1169 1222 1277 1333 1390 1447 1506	8.87 9.87 10.98 12.23 13.60 15.11 16.76 18.55 20.49 22.58 24.83	1049 1076 1113 1156 1204 1255 1308 1363 1419 1476 1533	10.18 11.25 12.44 13.75 15.20 16.79 18.52 20.41 22.44 24.64 26.99	1104 1124 1155 1194 1239 1288 1339 1392 1447 1503	11.55 12.68 13.93 15.31 16.83 18.50 20.31 22.28 24.41 26.71	-1172 1198 1233 1274 1320 1369 1421 1475 1530	-14.15 15.48 16.92 18.51 20.25 22.14 24.19 26.41 28.79	-1221 1241 1271 1309 1353 1400 1450 1502	-15.67 17.06 18.57 20.23 22.03 24.00 26.13 28.43	--1285 1311 1345 1385 1430 1479 1529	--18.68 20.26 21.98 23.86 25.89 28.10 30.47	--1329 1350 1381 1418 1461 1507	--20.33 21.98 23.78 25.72 27.82 30.10	--1375 1390 1417 1451 1491 1536	--22.03 23.75 25.60 27.61 29.79 32.13	---1431 1453 1484 1522	---25.54 27.47 29.55 31.79	---1472 1490 1518	---27.37 29.36 31.51
																			1553	33.82
																	1564	34.20	1593	36.30
													1556	32.55	1583	34.66	1610	36.80	1637	38.97
									1556	30.90	1582	33.03	1608	35.19	1633	37.37	1659	39.59	1684	41.83
					1560	29.16	1586	31.35	1611	33.55	1636	35.77	1661	38.01	1685	40.28	1709	42.57	1734	44.89
	1565 1624	27.25 29.84	1591 1650	29.51 32.21	1617 1676	31.79 34.59	1643 1700	34.08 36.99	1667 1724	36.38 39.39	1691 1748	38.69 41.80	1715 1771	41.02 44.23	1739 1793	43.38 46.67	1762 1816	45.75 49.14	1785 1838	48.15 51.62

Performanceshownis forinstallationtypeA -Freeinlet,FreeOutlet Power rating (BHP) does not include drive losses. Performance ratings do not include the effects of appurtenances in the airstream.

NIS-CO BLOWERS PLENUM FANS

VOL CFM	.5 SP		.75 SP		1SP		1.25SP		1.50SP		1.75 SP		2 SP		2.25 SP		2.5 SP		3SP
	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP
6128 7660 9192 10724 12256 13788 15320 16852 18384 19916 21448 22980 24512	360 403 453 505 558 613 668 725 781 838 895 953 1010	0.69 0.92 1.21 1.57 2.00 2.52 3.15 3.89 4.75 5.75 6.87 8.15 9.60	413 445 488 537 588 641 695 749 805 861 917 974 1031	1.04 1.30 1.64 2.06 2.56 3.14 3.82 4.62 5.54 6.59 7.80 9.16 10.68	-487 523 567 616 667 719 773 827 882 937 993 1050	-1.72 2.10 2.57 3.12 3.77 4.51 5.37 6.34 7.45 8.71 10.14 11.73	-530 557 597 642 692 743 795 848 902 956 1012 1067	-2.16 2.59 3.10 3.70 4.40 5.21 6.13 7.17 8.34 9.65 11.12 12.77	--592 626 668 715 765 816 868 921 975 1029 1084	--3.10 3.65 4.30 5.05 5.92 6.90 8.00 9.23 10.60 12.13 13.83	--628 656 694 738 786 836 887 940 993 1046 1101	--3.63 4.22 4.91 5.72 6.63 7.67 8.84 10.13 11.57 13.16 14.91	--666 686 720 761 807 856 906 957 1010 1063 1117	--4.19 4.82 5.55 6.40 7.36 8.46 9.68 11.04 12.54 14.19 16.01	---717 746 784 828 875 924 975 1027 1079 1132	---5.43 6.21 7.10 8.11 9.25 10.53 11.95 13.52 15.23 17.11	---748 772 807 848 894 942 992 1043 1095 1148	---6.07 6.88 7.81 8.87 10.06 11.39 12.87 14.50 16.28 18.22	----826 853 890 931 977 1025 1074 1125 1177	----8.29 9.30 10.44 11.72 13.15 14.73 16.47 18.38 20.45
VOL CFM	3.5SP		4 SP		4.5SP		5SP		5.5 SP		6SP		6.5SP		7SP		7.5 SP		8 SP
	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP	RPM	BHP
13788 15320 16852 18384 19916 21448 22980 24512 26044 27576 29108 30640 32172	901 931 969 1011 1057 1105 1154 1205 1256 1309 1361	10.85 12.07 13.44 14.96 16.64 18.49 20.50 22.70 25.07 27.62 30.37	949 973 1006 1045 1089 1135 1183 1232 1283 1334 1386	12.46 13.77 15.22 16.82 18.59 20.54 22.66 24.96 27.46 30.14 33.02	998 1016 1044 1080 1120 1164 1210 1259 1308 1359	14.13 15.52 17.05 18.74 20.59 22.63 24.85 27.26 29.87 32.67	-1060 1083 1115 1152 1194 1238 1285 1333 1383	-17.32 18.93 20.70 22.64 24.77 27.08 29.59 32.31 35.22	-1104 1122 1150 1184 1223 1266 1311 1358	-19.17 20.87 22.72 24.75 26.95 29.36 31.96 34.78	--1162 1185 1216 1253 1293 1337 1383	--22.85 24.79 26.89 29.19 31.68 34.37 37.28	--1202 1221 1248 1282 1321 1363	--24.87 26.90 29.09 31.46 34.04 36.82	--1243 1257 1281 1312 1348 1388	--26.95 29.05 31.32 33.78 36.44 39.31	---1294 1314 1342 1376	---31.25 33.60 36.15 38.89	---1331 1347 1372	---33.48 35.92 38.55
																			1404	41.37
																	1414	41.84	1440	44.41
													1407	39.82	1431	42.40	1456	45.02	1480	47.67
									1407	37.80	1430	40.41	1453	43.05	1477	45.72	1500	48.43	1522	51.17
					1410	35.68	1434	38.35	1457	41.04	1479	43.76	1502	46.50	1524	49.27	1546	52.08	1567	54.91
	1415 1468	33.33 36.51	1439 1492	36.10 39.41	1462 1515	38.89 42.32	1485 1537	41.69 45.25	1507 1559	44.50 48.19	1529 1580	47.34 51.14	1551 1601	50.19 54.11	1572 1622	53.07 57.10	1593 1642	55.97 60.11	1614 1662	58.90 63.15

Performanceshownis forinstallationtypeA -Freeinlet,FreeOutlet Power rating (BHP) does not include drive losses. Performance ratings do not include the effects of appurtenances in the airstream.

NIS-CO BLOWERS PLENUM FANS

Performance shown is for Plenum Fan without ducts. BHP does not include drive losses.

NIS-CO BLOWERS PLENUM FANS

Performance shown is for Plenum Fan without ducts. BHP does not include drive losses.

16

Performance shown is for Plenum Fan without ducts. BHP does not include drive losses.

17

Plenum Fans

Whl.						CL I						CL II																										M
Size	D ia.	Shaf t D ia.									Keyway	Shaf t Dia.					Keyway		A			B	C		D	E	F			G		H			J		K	L	CL I	C L II		N*	P*	T	S
PL150	15	1									1/4 x 1/8 x 3-1/2	1-3/16					1/4 x 1/8 x 3-1/2		23			11-1/2	11-1/2		14-3/4	13-1/4	18			9		6-5/8			1-1/2		14GA	5-7/8	12-1/2	12-3/4		9-3/8	16-1/8	9/16	4
PL165	16-1/2	1									1/4 x 1/8 x 3-1/2	1-3/16					1/4 x 1/8 x 4		25-1/4			12-5/8	12-5/8		16	14-1/2	20-1/4			10-1/8		7-1/4			1-1/2		14GA	6-1/2	13-1/8	13-7/8		10	17-7/8	9/16	4
PL182	18-1/4	1-3/16									1/4 x 1/8 x 3-1/2	1-7/16					3/8 x 3/16 x 4		30			15	15		18-1/4	16-1/2	24			12		8-1/4			2		1/8	7-1/8	14	14-5/8		11-1/8	19-5/8	9/16	4
PL200	20		1-3/16					1/4 x 1/8 x 3-1/2						1-7/16	3/8 x 3/16 x 4				33	16-1/2			16-1/2		19-7/8	18-1/8		27	13-1/2			9-1/16				2	1/8	7-15/16	14-7/8	15-1/2		12	21-1/2	9/16	4
PL222	22-1/4				1-3/16			1/4 x 1/8 x 3-1/2						1-7/16	3/8 x 3/16 x 4				35	17-1/2			17-1/2		21-3/8	19-5/8		29	14-1/2			9-13/16				2	1/8	8-11/16	15-5/8	16-7/8		12-3/4	23-7/8	9/16	4
PL245	24-1/2				1-7/16		3/8 x 3/16 x 3-1/2							1-7/16	3/8 x 3/16 x 5			38-3/4				19-3/8	19-3/8		23-1/4	21-1/2		32		16	10-3/4					2	1/8	9-5/8	16-5/8	18-7/8		13-5/8	26-1/4	9/16	4
PL270	27		1-7/16						3/8 x 3/16 x 6				1-7/16		3/8 x 3/16 x 6				42			21	21	25-7/16 23-1/2				36		18	11-3/4		2-3/16				3/16	10-5/8	19-7/8	20-5/8		14-7/8	29	7/8	4
PL300	30		1-11/16						3/8 x 3/16 x 6				1-11/16		3/8 x 3/16 x 6			46-3/4 23-3/8 23-3/8 27-9/16 25-5/8									40-3/4 20-3/8 12-13/16 2-3/16										3/16	11-11/16	21-1/4		22	16-3/8	32-1/4	7/8	4
PL330	33		1-11/16						3/8 x 3/16 x 6				1-11/16		3/8 x 3/16 x 6			51-1/4			25-5/8		25-5/8		30-1/16 28-1/8		45-1/4			22-5/8		14-1/16		2-3/16			3/16	12-15/16 22-1/2		23-1/4		17-5/8	35-3/8	7/8	4
PL365	36-1/2			1-15/16						1/2 x 1/4 x 6			1-15/16			1/2 x 1/4 x 6		56-3/4 28-3/8 28-3/8 32-11/16 30-3/4									50-3/4			25-3/8		15-3/8		2-3/16			3/16	14-1/4	24-1/8	24-3/4		19-1/2	39	7/8	4

All dimensions are nominal and subject to change without notice unless approved via certified submittal by NIS-CO.

NIS-CO BLOWERS PLENUM FANS

Plenum Fan-Vertical Mounted

Whl.		CL I		CL II								D
Size	Dia.	Shaft Dia.	Keyway		Shaft Dia.			Keyway	A	B	C	CL I	CL II		E	F	G	H	J	K	L*	P*	R
PL150	15	1	1/4 x 1/8 x 3-1/2		1-3/16			1/4 x 1/8 x 3-1/2	27-5/8	23	15-13/16	5	5-1/2		9	14-9/16	1-1/8	9/16	8	2-9/16	1	16-1/8	2-1/2
PL165	16-1/2	1	1/4 x 1/8 x 3-1/2		1-3/16			1/4 x 1/8 x 4	29-7/8	25-1/4	17-1/16	5	5-1/2		10-1/8	16-1/16	1-1/8	9/16	8	2-9/16	1	17-7/8	2-1/2
PL182	18-1/4	1-3/16	1/4 x 1/8 x 3-1/2		1-7/16			3/8 x 3/16 x 4	34-5/8	30	18-7/8	5	5-1/2		12	18-7/16	1-1/8	9/16	8	2-5/8	1-3/8	19-5/8	2-1/2
PL200	20	1-3/16	1/4 x 1/8 x 3-1/2		1-7/16			3/8 x 3/16 x 4	37-5/8	33	20-1/2	5	5-1/2		13-1/2	19-15/16	1-1/8	9/16	8	2-5/8	1-3/8	21-1/2	2-1/2
PL222	22-1/4	1-3/16	1/4 x 1/8 x 3-1/2		1-7/16			3/8 x 3/16 x 4	39-5/8	35	22	5	6		14-1/2	20-15/16	1-1/8	9/16	8	2-5/8	1-3/8	23-7/8	2-1/2
PL245	24-1/2	1-7/16	3/8 x 3/16 x 3-1/2		1-7/16			3/8 x 3/16 x 5	43-3/8	38-3/4	24-1/8	5	7		16	22-13/16	1-1/8	9/16	8	2-5/8	1-3/8	26-1/4	2-1/2
PL270	27	1-7/16	3/8 x 3/16 x 6		1-7/16			3/8 x 3/16 x 6	46-5/8	42	25-15/16	7	8		18	24-7/16	1-1/8	7/8	8	2-11/16	1-1/2	29	2-1/2
PL300	30	1-11/16	3/8 x 3/16 x 6			1-11/16	3/8 x 3/16 x 6		51-3/8	46-3/4	28-1/16	7-1/2		8	20-3/8	26-13/16	1-1/8	7/8	8	2-11/16	2	32-1/2	2-1/2
PL330	33	1-11/16	3/8 x 3/16 x 6			1-11/16	3/8 x 3/16 x 6		55-7/8	51-1/4	30-9/16	7-1/2		8	22-5/8	29-1/16	1-1/8	7/8	8	2-11/16	2	35-3/8	2-1/2
PL365	36-1/2	1-15/16	1/2 x 1/4 x 6			1-15/16	1/2 x 1/4 x 6		62-3/8	56-3/4	33-11/16	7-1/2		8	25-3/8	32-7/16	1-1/4	7/8	8	3-3/16	2	39	3

All dimensions arenominal and subject to changewithout noticeunlessapproved viacertified submittal by NIS-CO Company.