Greenheck Fan QEP Class Maximum rpm  3409, Maximum rpm 2327, RPM #1, 1428, , 2640 14.3

Plenum Size 20

QEP Class I	Maximum rpm 
QEP Class II	Maximum rpm 2706
QEP Class III	Maximum rpm	3409
QEM	Maximum rpm	2327

Note: Model QEM does not utilize class designations.

QEP Motor on Frame Limit	254T
Minimum Motor Size	1/3 [hp]
Wheel Diameter	20.00	[in.]
	508	[mm]
Peak Power	(rpm / 1086)3	[hp]
	(rpm / 1198)3	[kW]
Wheel Outlet Velocity	cfm / 3.05	[ft/min]
	m3/s / 1.80	[m/s]
Tip Speed	rpm x 5.24	[ft/min]
	rpm x 0.0266	[m/s]
% Wide Open Volume (%WOV)	cfm / (rpm x 0.0488)	[%]
	m3/hr / (rpm x 0.0830)	[%]

Imperial data — Metric data

Static Pressure (Pa x 100)

		14																																				rpm
																																		E				hp
																								25								R	V		30		40	% WOV
																																							3
30		12		15																											U						Density 0.075 lb/ft
			10												20														M	C						70%	Density 1.2 kg/m3
																												E
																											T
	wg)		7½																							YS
25		10
																									S
	(in.																					H	I	S													80%
			5																		T
20		8																		F																3409
	Pressure																		O
15		6	3												H	E
																			T
																			F																	3175
																	L	E																	2948
	Static												O	T																					2706
												T
10		4								E C	T															2327												90%
			2
			1½				S	E	L
																				2075
			1			T
																	1857
5		2			O
				O	N						1566
				D					1368
				1086
						1243
0		0	2		4								6									8												10		12		14	16
		0

Volume (cfm x 1000)

0 5 10 15 20 25

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
6000	1967	1428	1.86	1602	2.96		4.11	1908	
	2131		2.16	1682	3.34	1832		1970		2108	7.27
7000		1609		1763	3.77	1907		2041	6.41	2168	7.84		9.40
		1703	2.90	1847	4.23	1986		2114	7.02	2236			10.1	2472	11.8
8000	2622	1797	3.34	1934	4.73	2066	6.19	2190	7.69	2308	9.22	2418	10.8			2640	14.3
	2786	1892	3.83	2022		2147	6.83	2268	8.39	2381	10.0	2490	11.7		13.4	2700		2802	17.1
9000		1988	4.37	2111		2230		2347			10.8		12.6	2663	14.3		16.1	2862	18.1
	3114		4.96	2202		2317	8.23	2428	9.97		11.7	2637		2736		2830	17.2	2922	19.2
10000	3278	2182			7.24	2404	9.00		10.9	2614	12.7	2713		2809	16.4	2902	18.4	2991	20.4
	3442	2279	6.33	2388	8.03	2493	9.84		11.8		13.7	2792		2884	17.6		19.6	3063	21.7
11000	3606	2377	7.11	2482	8.88		10.7	2681	12.7	2776	14.8	2871	16.8	2962	18.8	3049	20.9		23.0
	3770		7.93		9.79	2672	11.7	2768	13.8				18.0	3041	20.1	3126	22.3	3210	24.4

RPM	807		Inlet Sound Power, L8J <E# SFG -12						XBUUT>
		1	2	3	4		6	7		8	L8JA
900	100	77	73	77	68	68				48	73
	80	77	72	74	66	64	60			47	70
	60	77	71	73		61				48	69
		77	72	73		61				47	69
1200	100	72	78	83	73	73	71	68			79
	80	73	73	79	73	69	67	60			76
	60	72	73	82	71	66					76
		72	73	82	71	66					76
1700	100	81	79	89	83	80	80	77		69	87
	80	82	78	87	80	76		70			84
	60	81	77	86	78	73	73	67			82
		80	77	86	78	73	73	67			82
2300	100	86	86	88	91	87	87			81	94
	80	80	83		89	83	83	79		74	90
	60	81	81	87	90	82	80	76		73	89
		81	81	88	91	82	80	76		73	90
3409	100	93	97	97	99	98	96			92	103
	80	87	92	94	96		92	90			100
	60	88	92	93	97		89	87		83	99
		88	92	94	98		89	87		83	99

RPM	807		Outlet Sound Power, L8P <E# SFG -12						XBUUT>
		1	2	3	4		6	7		8	L8PA
900	100	73		80	74	74	72	62			78
	80	71	73	77	72	71	67				
	60	70	74		70	69	66				74
		70	74		70	69	66				74
1200	100	76	81	86	80	79	78			63	
	80	76	76	84	77	76	74	67		61	82
	60	76		81	76		73	66		61	80
		76	76	82	76		73	66		61	80
1700	100	82	84	94	89	88	86	83		78	94
	80	82	82	90	86	84	82	77		71	90
	60	82	83	89	84	82	80			70	88
		82	83	89	84	82	80			70	88
2300	100	91	91	92	98	96	94	91		87	101
	80	90	89	89	94	93	90			80	97
	60	90	90	91	93	90	87	82		79	
		90	90	91	94	90	87	82		79	
3409	100	98	102	102	104	106	104	101		98	110
	80	97	100	99	101	102	100	96		91	106
	60	96	101	100	101	101	98	93		89	
		97	101	100	101	101	97	93		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.

18