SQ 70-75- Direct Drive

1

(25)

87⁄8

(225)

12

13

(305)

(330)

12

(305) (Pa) PressureStatic

120

100

80

60

40

20

 

0.55

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RPM (Direct)

 

0.50

 

 

 

 

 

 

 

 

 

 

 

RPM (Vari Green)

 

 

 

 

 

E

 

 

 

 

 

 

 

Density 0.075 lb/ft 3

 

 

 

 

 

 

 

 

075

 

Density 1.2 kg/m

3

 

 

 

 

 

 

 

 

 

 

 

0.45

 

 

 

V

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

U

 

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

VG

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

0.40

 

 

 

M

 

 

 

070

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

 

 

 

T

 

 

 

 

 

 

 

wg)

 

 

 

 

S

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

075

VG

 

 

0.35

 

 

 

Y

 

 

 

 

 

 

 

 

S

 

 

 

 

 

 

 

 

 

 

 

 

S

 

 

 

 

-

 

 

 

(in.

 

 

 

 

I

 

 

 

 

 

 

 

 

 

 

 

 

 

H

 

 

 

 

 

 

 

 

 

0.30

 

 

 

T

 

 

 

070

 

 

 

 

 

Pressure

 

 

 

F

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

D

 

 

 

 

 

 

 

T

 

 

 

 

 

 

 

0.25

 

 

 

F

 

 

 

 

 

 

 

 

 

 

 

 

E

 

075-

 

 

 

 

 

 

 

 

 

L

 

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

 

070

 

G

 

 

 

 

 

 

 

 

 

H

 

 

 

 

 

 

 

 

 

 

 

 

T

 

 

 

 

 

 

 

Static

0.20

 

 

 

O

 

 

G

 

 

 

 

 

 

 

 

 

 

T

 

 

 

 

 

 

 

 

 

 

 

 

 

T

075-

 

 

 

 

 

 

 

0.15

 

 

 

C

 

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

 

 

 

L

070

E

 

 

 

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

 

 

 

 

S

 

 

 

 

 

 

 

 

 

 

 

 

 

-

 

 

 

 

 

 

 

 

0.10

 

 

 

T

 

E

 

 

 

 

 

 

 

 

 

 

N

O

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

0.05

D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Damper size = 9 x 9 (229 x 229)

Unit weight** = 26 (12)0 Housing thickness = 18 ga

Outlet velocity = 1.828 x cfm

Dimensions shown in inches (millimeters) and weight is shown in pounds (kilograms).

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

0.00 0

50

100

150

200

250

300

350

400

Volume (cfm)

0

100

200

300

400

500

600

Volume (m3/hr)

Motor HP

Direct

Fan RPM

CFM / Static Pressure in Inches wg

0.000

0.100

0.125

0.150

0.200

0.250

0.300

0.350

0.375

0.400

 

 

 

 

 

 

 

 

 

 

70

VG-1/6

 

 

CFM

212

141

119

87

 

 

 

 

 

 

E-1/100

1050

BHP

0.01

0.01

0.01

0.01

 

 

 

 

 

 

 

 

Sones

2.7

1.7

1.5

1.5

 

 

 

 

 

 

 

 

CFM

263

205

191

176

140

77

 

 

 

 

G-1/50

1300

BHP

0.02

0.02

0.0

0.02

0.02

0.02

 

 

 

 

 

 

Sones

4.1

3.4

3.3

3.1

2.9

2.5

 

 

 

 

 

 

CFM

313

265

252

240

216

190

155

99

67

 

D-1/30

1550

BHP

0.03

0.03

0.03

0.03

0.03

0.03

0.03

0.03

0.03

 

 

 

Sones

5.6

5.2

5.1

5.1

4.9

4.7

4.5

4.2

4.0

 

 

 

CFM

348

306

295

283

262

240

216

187

171

148

 

1725

BHP

0.04

0.04

0.04

0.04

0.04

0.04

0.04

0.04

0.04

0.04

 

 

Sones

6.8

6.7

6.6

6.6

6.5

6.4

6.2

6.0

5.9

5.8

75

VG-1/6

 

 

CFM

241

167

147

124

 

 

 

 

 

 

E-1/100

1050

BHP

0.01

0.01

0.01

0.01

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sones

3.6

2.9

2.8

2.6

 

 

 

 

 

 

 

 

 

CFM

299

239

225

209

176

133

 

 

 

 

 

G-1/50

1300

BHP

0.02

0.02

0.020

0.02

0.02

0.02

 

 

 

 

 

 

 

Sones

4.1

3.7

3.7

3.7

3.6

3.5

 

 

 

 

 

 

 

CFM

356

307

294

282

257

229

202

165

137

99

 

D-1/30

1550

BHP

0.03

0.03

0.04

0.04

0.04

0.04

0.03

0.03

0.03

0.03

 

 

 

Sones

6.1

5.5

5.4

5.3

5.1

4.9

4.9

4.8

4.8

4.8

 

 

 

CFM

396

353

341

330

307

285

260

235.0

223

206

 

 

1725

BHP

0.04

0.05

0.05

0.05

0.05

0.05

0.05

0.05

0.05

0.05

 

 

 

Sones

8.0

7.2

7.0

6.8

6.5

6.2

6.1

6.0

6.0

6.0

Performance certified is for installation type B: Free inlet, Ducted outlet. 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.

16

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Image 16
Greenheck Fan SQ/BSQ manual SQ 70-75- Direct Drive
Page 15 Page 17

SQ/BSQ specifications

The Greenheck Fan SQ/BSQ series represents a significant advancement in the realm of ventilation solutions, designed to cater to both commercial and industrial applications. With an emphasis on performance, efficiency, and reliability, these fans have become a go-to choice for engineers and contractors alike.

One of the main features of the SQ/BSQ series is their advanced airflow design. The fans are engineered with high-performance backward-inclined blades, which not only optimize airflow but also minimize noise levels, making them ideal for settings where quiet operation is essential. This design allows the SQ/BSQ fans to handle a wide range of static pressures, delivering consistent airflow even in varying conditions.

Another notable characteristic of the SQ/BSQ fans is their robust construction. Made with high-quality materials, these fans are built to withstand the rigors of industrial environments. The casings are typically constructed from galvanized steel, with optional coatings available for enhanced corrosion resistance. This durability ensures long-lasting performance, reducing the need for frequent replacements and maintenance.

Equipped with the latest motor technology, the SQ/BSQ series offers energy-efficient options that comply with various energy standards. The fans utilize a range of motor types, including premium efficiency and electronically commutated motors (ECM), which contribute to lower operating costs and reduced energy consumption. This focus on energy efficiency aligns with increasing regulatory requirements and environmental considerations.

The SQ/BSQ series also embraces advanced control technologies. Through the integration of variable frequency drives (VFD), users can achieve precise control over fan speed and airflow, allowing for better system optimization. This capability is particularly beneficial in applications where airflow demands fluctuate, ensuring that energy usage remains efficient.

Lastly, Greenheck has prioritized ease of installation and maintenance with the SQ/BSQ models. The fans are designed to facilitate quick installation, featuring accessible service points for maintenance tasks. This ease of access helps reduce downtime and improves overall operational efficiency.

In summary, the Greenheck Fan SQ/BSQ series combines advanced airflow design, robust construction, energy-efficient motor technology, and intelligent control options to deliver a comprehensive and reliable ventilation solution. Whether used in commercial buildings, warehouses, or industrial facilities, these fans stand out for their performance and versatility, making them a preferred choice in the ventilation market.
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