Greenheck Fan SQ/BSQ manual BSQ 420 - Belt Drive

BSQ 420 - Belt Drive

*34 *22

(864) (559)

11⁄2 (38)

*18

(457)

537⁄8

(1368)

58

(1473)

58	50
(1473)
	(1270)

Static Pressure Pa

600

400

200

0

2.5

10

RPM

7

hp

HP

5

1/2

E

3

hp

hp

Density 0.075 lb/ft

V

2.0

R

U

wg

3

M

C

hp

E

T

in.

S

1.5

Y

Pressure

2

S

S

670

hp

I

T

H

605

F

O

1.0

F

T

535

Static

E

L

H E

465

O

T

0.5

T

T

C

E

395

L

325

E

S

T

O

N

O

0.00

D

5

10

15

20

25

30

cfm X 1000

0 10 20 30 40 50

Damper size = 54 x 54 (1372 x 1372) Unit weight** = 789 (358)

Housing thickness = 14 ga

m3/hr X 1000

Dimensions shown in inches (millimeters) and weight is shown in pounds (kilograms). *Motor cover is optional. Size may be greater depending on motor.

**Weight shown is largest cataloged Open Drip Proof motor.

Model	Motor HP	Fan					CFM / Static Pressure in Inches wg
Number		RPM		0.125	0.25	0.375	0.5	0.75	1			1.25	1.5	1.75	2
420
			CFM	9901	8281
										MAX Bhp AT A GIVEN RPM = (rpm/304)3
		270	BHP	0.68	0.70
												MAXIMUM RPM = 670
			Sones	6.0	3.3
											TIP SPEED (ft/min) = rpm x 11.060
			CFM	13501	12428	11210	9592
										MAX NEMA MOTOR FRAME SIZE = 215T
			BHP	1.41	1.48	1.51	1.49
420-20	2	349								OUTLET VELOCITY (ft/min) = 0.0496 x cfm
			Sones	9.4	8.7	8.1	7.8
			CFM	15275	14340	13334	12132
		389	BHP	1.93	2.02	2.08	2.09
			Sones	13.2	12.3	11.5	10.8
			CFM	16500	15633	14714	13745	11026
		417	BHP	2.37	2.46	2.53	2.58	2.52
420-30	3		Sones	16.6	15.7	14.8	13.9	12.5
			CFM	17704	16910	16068	15188	12941
		445	BHP	2.86	2.96	3.05	3.11	3.12
			Sones	20	19.5	18.6	17.7	15.9
			CFM	19500	18801	18054	17257	15475	13113
		487	BHP	3.71	3.84	3.95	4.02	4.11	4.03
420-50	5		Sones	22	21	21	19.8	18.2	16.9
			CFM	21244	20625	19937	19231	17747	15850			13154
		528	BHP	4.70	4.85	4.97	5.08	5.22	5.24			4.99
			Sones	25	24	23	23	21	20			18.7
			CFM	22854	22301	21659	21017	19644	18080			16134	13026
		566	BHP	5.76	5.94	6.07	6.19	6.36	6.46			6.39	5.95
420-75	71⁄2		Sones	28	27	26	25	24	24			22	21
			CFM	24459	23950	23363	22762	21502	20206			18533	16581
		604	BHP	6.98	7.17	7.32	7.45	7.66	7.83			7.84	7.71
			Sones	31	30	30	29	28	27			26	25
			CFM	25765	25281	24743	24171	22996	21762			20341	18681	16692
		635	BHP	8.09	8.29	8.46	8.60	8.85	9.03			9.12	9.09	8.88
420-100	10		Sones	35	33	33	32	31	30			30	29	28
			CFM	27237	26778	26291	25749	24660	23491			22322	20793	19111	16873
		670	BHP	9.47	9.69	9.88	10.03	10.33	10.52			10.71	10.70	10.61	10.24
			Sones	39	37	36	36	34	34			34	33	32	31

Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the effects of appurtenances (accessories).

The sound ratings shown are loudness values in fan sones at 1.5 m (5 feet) in a hemispherical free field calculated per AMCA International Standard 301. Values shown are for installation type B: free inlet hemispherical sone levels.

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