Greenheck Fan QEP Class Maximum rpm  2144, 2144 1946, 2189 1042 , 10.2, 13.2, 16.3

Plenum Size 30

QEP Class I	Maximum rpm 
QEP Class II	Maximum rpm 1702
QEP Class III	Maximum rpm	2144
QEM	Maximum rpm	

Note: Model QEM does not utilize class designations.

QEP Motor on Frame Limit	284T
Minimum Motor Size	3/4 [hp]
Wheel Diameter	30.00	[in.]
	762	[mm]
Peak Power	(rpm / 569)3	[hp]
	(rpm / 627)3	[kW]
Wheel Outlet Velocity	cfm / 6.86	[ft/min]
	m3/s / 4.04	[m/s]
Tip Speed	rpm x 7.85	[ft/min]
	rpm x 0.0399	[m/s]
% Wide Open Volume (%WOV)	cfm / (rpm x 0.165)	[%]
	m3/hr / (rpm x 0.280)	[%]

Imperial data — Metric data

			14																					50		E	60		rpm
																													hp
																										V
																										R			% WOV
															40											U			Density 0.075 lb/ft	3
	30		12																						M	C	60%
				25	30																								Density 1.2 kg/m3
																									E
				20																					T
100)																									S
		wg)																							Y
	25		10																					S	S
																							I					70%
StaticPressure(Pax		StaticPressure(in.																					H
				15																	O	F	T
																											2144
																				T
	20		8																	F
																				E							1946
				10														H	E	L
																	T
																												80%
																O
															T
	15		6											T													1702
				7½							E	L	E	C											1532
										S
									T
	10		4	5				O
							N																						90%
					D	O														1305
				3
	5		2	2										1114
				1½
							821
				651
	0		0					1																			2	3		4
			0

Volume (cfm x 10,000)

0 1 2 3 4 5 6

Volume (m3/hr 10,000)

								STATIC PRESSURE (in. wg)
CFM	OV		1		2		3		4		5		6		7	8			9
		RPM	#)1	RPM	#)1	RPM	#)1	RPM #)1		RPM #)1		RPM #)1		RPM #)1		RPM #)1		RPM #)1
	2189	1042 4.60		 7.29			10.2		13.2		16.3		19.4	1614	22.6	1693	
16000		1094		1207		1304	11.0	1397	14.2	1484			20.8	1646	24.1	1724		1798	31.0
17000	2481	1149			8.87		12.0	1440			18.8		22.2	1681			29.3	1830	32.9
18000	2627	1204	6.61	1308	9.73	1400	13.0	1484	16.4		20.0	1644	23.8	1720	27.4	1791	31.1	1862	34.8
19000	2773	1260	7.42		10.7	1449	14.1		17.6	1610	21.3	1686			29.1	1829	33.0	1896	36.9
20000	2919	1316	8.30	1410	11.7	1499			18.9		22.7	1728	26.8	1799	30.9	1868			39.0
21000		1373		1462	12.8			1627	20.3	1700	24.2	1771	28.4	1841	32.6	1908	37.0	1973	41.2
22000	3211	1430	10.3		13.9		17.8	1677	21.8	1748		1816	30.0	1884	34.4		39.0	2012	
23000		1487	11.4				19.2	1726	23.4	1796		1862	31.9	1927	36.3	1992	41.0		
24000		 12.6		1623 16.6		1701	20.7	1776			29.3	1910	33.8	1972	38.4		43.1	2096	48.0
	3649	1602 13.9		1678 18.0			22.3	1826	26.7	1894	31.2			2018		2079		2139	
26000		1660		1734	19.6		23.9	1877		1944	33.2	2007	37.9	2066	42.7	2123	47.7

RPM	807		Inlet Sound Power, L8J <E# SFG -12						XBUUT>
		1	2	3	4		6	7		8	L8JA
600	100	77	89	77	70	69					77
	80	76	86	74	67	64					73
	60	83	84	76	67	61		48		43	72
		83	84	76	67	61		48		43	72
800	100	78	86	88	78		72	66			83
	80	78	89	86	74	70	66	60			81
	60	78	84	81	71	67	63				76
		77	84	81	71	67	63				76
1100	100	81	89	97		83	80			68	91
	80	79	88		82	78		70			88
	60	77		90	77	74	71	68			83
		76	83	88	74	72	70	68		66	81
	100	87	91	97	97	92	89	84		80	98
	80	84	88	93	93	87	84	79		74	94
	60		90	92	89	82	79	76		74	90
			91	91	87	80	78			74	89
2144	100		99	102	106	102	98	94		90	107
	80	91		99	102	98	93	89		84	103
	60	92	97	100	99	93	88			82	100
		91	97	100	98	91	86	84		82	99

RPM	807		Outlet Sound Power, L8P <E# SFG -12						XBUUT>
		1	2	3	4		6	7		8	L8PA
600	100	81	88	79	76		71	61			80
	80	81	84	77	74	71	63				76
	60	81	84		72	70	63				
		80	84	72	71	70	64				74
800	100	79	87	90		81	77	71		62	87
	80	78	87	87	82	77	72			60	83
	60	81		84	80		69			63	81
		81		83	79	74	69			66	81
1100	100	84	91	101	94	90	86	80		73	97
	80	81	89	97	90	86	81			70	93
	60	83	88	93	86	82	77	73		70	89
		83	87	90	83	80	76	72		70	87
	100	89	94	101	103	99	94	90		86	104
	80	88	92	99	100		89	83		79	100
	60	92	94	94	94	90	84	80		78	
		94	96	93	92	87	82	79		78	93
2144	100	97	101	106	111	109		100		96	113
	80		100	104	109	106	100	94		89	110
	60	99	103	103	103	100		90		86	104
		102		103	101	98	93	89		86	103

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The sound power level ratings shown are in decibels, referred to 10-12XBUUT
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-8J, L8JA and outlet L8P, L8PA sound power levels for installation type A: Free inlet, Free outlet. The A-weighted sound ratings shown have been calculated per AMCA International Standard 301. Outlet ratings do not include the effects of duct end correction.

The AMCA International Certified Ratings Seal for Sound for model QEM only applies to the single L8JA and L8PA values.

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