Greenheck Fan QEM QEP Class Maximum rpm , Maximum rpm 2190, 3065 2824, 1041, 2470 17.8 

Plenum Size 22

QEP Class I	Maximum rpm 
QEP Class II	Maximum rpm 2433
QEP Class III	Maximum rpm	
QEM	Maximum rpm	2190

Note: Model QEM does not utilize class designations.

QEP Motor on Frame Limit	254T
Minimum Motor Size	1/2 [hp]
Wheel Diameter	22.25	[in.]
	565	[mm]
Peak Power	(rpm / 909)3	[hp]
	(rpm / 1002)3	[kW]
Wheel Outlet Velocity	cfm / 3.77	[ft/min]
	m3/s / 2.22	[m/s]
Tip Speed	rpm x 5.83	[ft/min]
	rpm x 0.0296	[m/s]
% Wide Open Volume (%WOV)	cfm / (rpm x 0.0672)	[%]
	m3/hr / (rpm x 0.114)	[%]

Imperial data — Metric data

Static Pressure (Pa x 100)

35

30

25

20

15

10

5

0

	14																																							rpm
																																					E
			20			25													30																R	V		40		hp
		15																																U						% WOV
																																	C						Density 0.075 lb/ft3
	12																															M
																																							Density 1.2 kg/m3
																															E
																														T								70%
																													S
																												Y
		10																									S
																										S
	10																								I
																								H
																							T
																						F																3065
wg)
		7½																		E F	T	O
	8																																					2824		80%
(in.																			L
																		H	E																			2658
Pressure																	O	T
	6	5													T	T
														C																		2433
													E
												L
											E
										S
		3						O	T															2190																90%
Static	4						N
						O													1958
					D
		2
																		1865
		1½							1554
	2
		1			1311
				1145
			1041
			909
	00	2	4	6										8							10													12				14	16	18	20

Volume (cfm x 1000)

0 5 10 15 20 25 30 35 40

Volume (m3/hr x 1000)

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
7000	 1229 2.07			1392 3.36				 4.73			1678 6.27
7800	2068	1332		1483 3.94				1620 			1747 6.99			1874 8.73
8600	2281	1438	3.06	 4.61				1707 6.20			1828 7.86			1943 9.63				 11.6
9400	2493	 3.69		 				1799 7.07			1913 8.84			2022 10.7				2127 12.6				2232 14.7
10200		 4.42		1777			6.17	1892 8.03			2002 9.92			2106 11.9					 13.9			2301 16.0			2399 18.3
11000	2917	1768		1880			7.09	1988		9.11	2094 11.1				2193 13.2				2288 		2379				2468 19.7		 22.1
11800	3129	1880	6.19				8.13	2088		10.3	2187 12.4				2284 14.6			 16.8			2463			19.1	 21.4		2630 23.8
12600	3342	1993	7.26	2093			9.30	2190				2282 13.8			2376 16.1			2464 			 20.9				2632 23.3		2711 
13400		2106	8.46		2202		10.6	2293		12.9	2383			2470			17.8	 20.2			2638			22.7	2717		 27.9
14200	3766	2220	9.76		2312		12.1	2397		14.4	2484		17.0	 19.6				2649		22.2	2729			24.8	2806	27.4	2881 30.1
 3978 2334 11.2				2423			13.6	 16.1			 18.7			2666				2744		24.2	2822			26.9	2897	29.7	2969 32.6
 4190 2448 12.7				 				2613		18.0	2690		20.7	2767				2841		26.4	2916			29.3	2990	32.2	3060 

RPM	807		Inlet Sound Power, L8J <E# SFG -12						XBUUT>
		1	2	3	4		6	7		8	L8JA
800	100	77		76	69	68	64			48	73
	80	77	73	73	67	64				47	70
	60	77	73	72		61				48	69
		77	74	72		61				48	68
1100	100		81	83	74	74	72	68			80
	80		76	80	74	70	67	61			77
	60	74	76	82	72	68					77
		74	76	82	72	67					76
	100	81	81	90	83	80	80	76		68	87
	80	82	80	89	80	76	74	69			84
	60	81	80	87	78	73	72	67			82
		81	80	87	78	73	72	67			82
2100	100	88	88	90	92	89	88	86		82	
	80	82		87	90		84	79			91
	60	83	83	89	90	83	81	76		74	90
		83	84	89	91	83	81	76		74	91
	100		98	98	100	99	97			92	104
	80	89	94		98	96	92	90		86	100
	60	90	93		99		90	87		83	100
		90	94	96	99		90	87		83	100

RPM	807		Outlet Sound Power, L8P <E# SFG -12						XBUUT>
		1	2	3	4		6	7	8 L8PA
800	100	74	77	79	74	74	71	61		78
	80	72	74	77	72	71	67			76
	60	72	76		71	69				74
		72	76		71	69				74
1100	100	79	83	87	81	80	79	74	63	86
	80	78	79		78	78		68	62	83
	60	78	78	82	77	76	73	66	62	81
		78	78	82	77	76	73	66	62	81
	100	83	87		90	88	86	83	77	94
	80	83		92	86	84	82	76	71	90
	60	83		91		82	79	74	70	88
		83		91		82	79	74	70	88
2100	100	92	93		99	97		92	88	102
	80	92	90	91	96	94	91	86	81	98
	60	91	92	92	94	91	88	83	80	96
		92	92	93	94	91	88	83	80	96
	100	99	103	103	106	106	104	102	98	111

8099 101 100 102 103 101 97 92 107

6098 102 101 102 101 98 94 89 

 99 102 101 103 101 98 94 89 

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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.

19