Greenheck Fan QEM QEP Class Maximum rpm Maximum rpm  1949, Maximum rpm 1392, 14000 1688 788

Plenum Size 33

QEP Class I	Maximum rpm 1186
QEP Class II	Maximum rpm 
QEP Class III	Maximum rpm	1949
QEM	Maximum rpm	1392

Note: Model QEM does not utilize class designations.

QEP Motor on Frame Limit	286T
Minimum Motor Size	11⁄2	[hp]
Wheel Diameter	33.00	[in.]
	838	[mm]
Peak Power	(rpm / 485)3	[hp]
	(rpm / 535)3	[kW]
Wheel Outlet Velocity	cfm / 8.30	[ft/min]
	m3/s / 4.89	[m/s]
Tip Speed	rpm x 8.64	[ft/min]
	rpm x 0.0439	[m/s]
% Wide Open Volume (%WOV)	cfm / (rpm x 0.219)	[%]
	m3/hr / (rpm x 0.372)	[%]

Imperial data — Metric data

Static Pressure (Pa x 100)

30

25

20

15

10

5

0

Static Pressure (in. wg)

14																												60				rpm
																														E
																															75	hp
																														V		% WOV
																			50											R		Density 0.075 lb/ft3
12																														U	60%
		25	30						40																				M	C		Density 1.2 kg/m3
																												E
	20
																												T
																												S
10																												Y
																											S	S			70%
																										I
	15																							F	T	H
																							O
8																															1949
																						T
																				E	F
																			L
																		E													1787	80%
	10																H
6																T
															O
	7½												T	T																	1547
												C
											E
4										L																				1392
									E																							90%
	5						T	S																				1316
						O																			1186
	3				N
2				O															1045
	2		D										829
0							611
						1																						2			3	4
0

Volume (cfm x 10,000)

0 1 2 3 4 5 6 7

Volume (m3/hr x 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
14000	1688	788		908	6.24	1016	9.10	1116	12.0	1208	
16000	1930	864	4.44		7.38		10.6	1168	13.9		17.2	1339	20.7
18000	2171	941		1047	8.71	1139	12.2	1227		1309		1387	23.2	1464	27.1		31.1
20000	2412	1021	6.72	1122	10.3	1208	13.9	1290	17.9	1368	22.0	1443	26.0		30.2		34.4		38.7
22000		1104	8.17	1197	12.0	1281	16.0		20.1	1431			29.1			1634	38.0	1698	42.6
24000		1188	9.86	1274	13.9		18.2	1428	22.6	1497	27.2		32.1	1629	37.1	1692	41.9		46.7
26000	3136	1273	11.8		16.1	1430	20.7				30.3	1630		1693				1811	
28000	3377		14.0	1432	18.6				28.6	1639	33.6	1699	38.9		44.3	1816	49.9	1872	
30000	3618	1446			21.4				31.9	1713	37.3	1771	42.8	1826	48.4	1881		1936	60.3
32000	3860		19.3			1662	29.9	1727		1788	41.3	1844	47.1	1898	
34000	4101	1620	22.4	1683	28.0	1742	33.6	1804		1863		1919	
36000	4342	1708		1768	31.8		37.7	1882	43.9	1939	

RPM	807		Inlet Sound Power, L8J <E# SFG -12						XBUUT>
		1	2	3	4		6	7		8	L8JA
	100	80	88	77	71	70					76
	80	79		74	67	64					73
	60	84	84		67	61		49		43	72
		84	84		67	61		49		43	72
	100	80	89	88	79	76	73	67		60	84
	80	81	91	87		72	67	61			81
	60	80	86	82	72	68	64				77
		79	86	82	72	68	64	60			77
	100	84	92	97	87		82	76		70	92
	80	81	91	96	83	80	76	71		66	89
	60	80	88	91	79	76	73	70		67	
		79	86	88	76	73	72	69		68	83
1400	100	89	93	99	98	93	90			81	99
	80	86	90		94	88	84	80			
	60	87	92	94	90	83	80	77			91
		87	93	93	88	81	79	76		76	90
1949	100	96	100	104	106	103	99			90	107
	80	93	97	101	102	98	93	89		84	103
	60	93	98	101	99	93	89	86		83	100
		93	99	101	98	91	87			83	99

RPM	807		Outlet Sound Power, L8P <E# SFG -12						XBUUT>
		1	2	3	4		6	7		8	L8PA
	100	83	87	79	77	76	71	61			80
	80	83	84	77		71	64				77
	60	82	83		73	70	63				
		81	83	73	72	70	64				
	100	81	89	91	86	82	78	72		62	88
	80	81	88	88	83	78	72	66		61	84
	60	83	86		81	76	70	66		64	83
		83	86		80		70	67		67	82
	100	86		102	96	92	87	82		74	98
	80	83	92	99	92	88	82	76		71	94
	60		91	94	87	84	79	74		71	90
			90	92		82	77	73		72	88
1400	100	91	96	103		100		91		87	
	80	90	94	101	101	96	90	84		80	101
	60	93		96		90		81		79	96
		96	97	94	93	88	83	81		79	94
1949	100	98	102	108	112	110		100		96	114
	80	97	101	106	109	106	100	94		89	110
	60	101	104	103	103	100		90		87	
		103	106	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.

23