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Smoke and Natural Ventilation Specialists     |     Established 1998

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Fire Force Slim Line

Louvered Smoke Ventilator

The Fire Force dual-purpose ventilator, designed and manufactured by Ventrite International, offers a patented design to provide maximum exhaust area under fire conditions, providing a fully weatherproof unit in its closed position. It saves stock, saves buildings and most importantly, saves lives. In the event of a fire the louvre blades would open without failure by means of a unique spring loaded system. The louvre in the open position is also supported by a special locking device to prevent wind from shutting it in high velocity wind regions. They are effective in keeping escape routes clear of smoke and assisting fire fighters to see and tackle the fire. Fire Force is also a highly efficient louvered natural ventilator which enhances comfort and productivity by providing cooling ventilation, releasing heat build-up and relieving psychological stress by giving natural day light in summer. In winter, it conserves heat in its fully closed position. Fire Force louvered ventilators are recommended for both roof and side wall applications.

Design Features


Product Finishes

Model Dimensions and Dynamics

Line Sketches for Specifications

Fire Force Louvered Smoke Ventilator

Tested To British Standards BS 7346-1 : 1990

Suggested Applications

BS7346-1-Certificate-Fire-Force-Slim-Line.pdf

Accessories

Specifications

The Fire Force Slim Line dual-purpose smoke and heat ventilator, featuring the unique spring loaded system and fusible link support bracket to prevent failure of the fusible link, in day to day operation, manufactured by Ventrite International (Pty) Ltd.

FFL-SL 2500.PDF FFL-SL 3000.PDF FFL-SL 3200.PDF FFL-SL 3600.PDF FFL-SL 4000.PDF Fire Force Louvered Smoke Ventilator


4000 FFL SL

3600 FFL SL

3200 FFL SL

2880 FFL SL

2240 FFL SL

1440 FFL SL

Measured Throat Area (Av) in (m²)

4.00

3.60

3.20

2.88

2.24

1.44

Aerodynamic Free Area (AvCv) in (m²)

2.52

2.27

2.02

1.82

1.42

0.91

Discharge Coefficient (Cv0)

0.63

0.63

0.63

0.63

0.63

0.63

Throat Length (mm)

1800

1800

1600

1600

1600

1200

Throat Width (mm)

2000

2000

2000

1800

1400

1200

Quantity of Blades

12

11

9

9

8

7

Total Height (mm)

140

140

140

140

140

140

Total Length (mm)

1923

1923

1773

1773

1773

1373

Total Width (mm)

2430

2230

2230

2030

1630

1430

Approximate Mass (kg)

90

75

68

60

48

40

Recommended Purlin Spacing (mm)

1800

1800

1600

1600

1600

1200

Discipline

Tested To

Coefficient of Discharge

According to Ventilator Size

Rain Testing

Fully Waterproof

Wind Load Testing

Suction and Pressure Tested

Temperature Rise

Slowly and Rapidly Tested

Fatique Testing

30 000 Cycles Opened and Closed

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