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FG 4 Centrifugal Inline Fan

Item Number: 40402

• Speed-controllable
• Built-in thermal overload protection with automatic reset
• Can be installed in any position and outdoors
• Maintenance-free and reliable
• Mounting bracket and hardware included
• Five-year factory warranty
Application

The FG Series is designed for installation in ducts.

Design

The housing is manufactured from a two-piece stamped galvanized construction. The two halves are joined using Fantech’s unique folded seam closure, which gives the fan the first in class, air tight seal. Duct connected outdoor and wet room applications of the fan are possible due to the air tight casing.

FG fans are equipped with backward-curved impeller blades and external rotor motors. With the motor in the airstream the fan provides the constant dissipation of heat buildup thus giving the fan first in class of longevity and reliability.

Motor protection

To protect the motor from overheating the fan is impedance protected.

The fans can be controlled via a solid state speed controller.

 

Technical parameters

Norminal data
Voltage (nominal) 120 V
Frequency 60 Hz
Phase(s) 1~
Input power 20 W
Input current 0.18 A
Impeller speed 2,886 r.p.m.
Air flow max 139.0 cfm
Temperature of transported air max 140 °F
Max temperature of transported air, when speed controlled 140 °F
Protection/Classification
Enclosure class, motor IP44
Insulation class B
Dimensions and weights
Duct dimension; Circular, inlet 4 in.
Duct dimension; Circular, outlet 4 in.
Weight 4.6 lb
Optional
Duct connection type Circular
CFM Table

Model

0" Ps

0.2" Ps

0.4" Ps

0.6" Ps

0.8" Ps

1.0" Ps

1.5" Ps

FG 4

135

110

83

55

25

-

-

FG 4XL

170

150

134

119

103

86

40

FG 5XL

220

190

160

135

112

91

41

FG 6

303

270

232

196

164

134

58

FG 6M

418

370

317

268

224

186

101

FG 6XL

483

450

409

369

329

289

201

FG 8

461

410

351

295

243

191

97

FG 8XL

502

470

428

388

351

313

218

FG 10

513

480

444

407

366

324

216

FG 10XL

589

560

531

503

472

441

355

FG 12

741

680

601

515

434

363

236

FG 12XL

940

880

819

746

670

596

425

Model A C D E F

4

4 (101)

8 1/2 (216)

6 1/2 (165)

1 (25)

1 (25)

4XL

4 (101)

9 3/4 (248)

6 15/16

1 (25)

1 (25)

5

5 (127)

8 5/8 (219)

6 1/2 (165)

1 (25)

1 (25)

5XL

5 (127)

9 3/4 (248)

6 (152)

1 1/8 (29)

1 1/8 (29)

6

6 (152)

11 3/8 (289)

6 1/4 (159)

1 (25)

7/8 (22)

6XL

6 (152)

13 1/8 (333)

7 (178)

1 (25)

1 (25)

6M

6 (152)

13 1/8 (333)

7 (178)

1 (25)

1 (25)

8, 8XL

8 (203)

13 1/4 (337)

6 (152)

1 1/8 (29)

1 (25)

10

10 (254)

13 1/4 (337)

4 3/4 (121)

1 1/8 (29)

1 (25)

10XL

10 (254)

13 1/4 (337)

4 13/16 (122)

1 1/4 (32)

1 (25)

12, 12XL

12 (305)

16 (406)

6 11/16 (170)

1 1/2 (38)

1 (25)

Dimensions are in inches (mm).

Description

A centrifugal type exhaust/supply fan specifically designed for moderate size ventilation applications. The fan can be mounted at any angle in any point along the duct work and straight-through air flow design allows easy installation. By using FC type mounting clamps, fan can be easily removed from duct work for service. Fans are constructed in accordance with standard dimensions for spiral duct eliminating the need for transition pieces. Fan motors are capable of operating in air stream temperatures up to 140o F. Motor bearings are a permanently sealed, self lubricating ball type. All fans are 100% speed controllable through a decrease in the voltage by using a solid state or transformer type control. All FG Series fans are backed by Fantech’s Five Year Warranty.

Guide Specifications for Model FG Inline Duct Fans

Supply, exhaust or return air inline fans shall be of the centrifugal, direct driven type.

Housing:

Fan housing shall be constructed of heavy gauge galvanized sheet metal

Fan shall be supplied with externally mounted electrical terminal box with pre-wired terminal strip connections

Capacitor shall be located within electric terminal box

Motor:

Motorized impeller shall be an external rotor type, class B insulation, enclosed with permanent split capacitor

Motor shall be a permanently sealed self lubricating ball bearing type

Motor shall be quipped with automatic reset thermal overload protection

Motor shall be acceptable for continuous duty

Wheel:

Fan wheel shall be of the backward inclined centrifugal type with a well designed inlet venturi for maximum performance

Motorized impeller shall be both statically and dynamically balanced as one integral unit to provide for vibration free performance

Impellers shall be molded of high impact polypropylene

Performance:

Fan air flow performance shall be based on tests conducted in accordance with AMCA Standard 211 and shall be licensed to bear the AMCA Certified Ratings label

Code Approval:

Fan shall be tested and approved by UL and CSA (or equals) for safety

FG Series shall be manufactured under the authority of Fantech, Inc., Lenexa, KS

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