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Golden Industries

Quk Cul Ventilator


Quick Calculation :
Calculations to decide the number of TURBOVNETS.

Determine the volume of the building in Cubic Meter :
Volume of Section A = 0.5 x L x W x Ha (all dimensions in Meters)
Volume of Section B = L x W x Hb (all dimensions in Meters)
Total building Volume = Volume of Section A + Volume of Section B
Note : For Factories, the combined Volume A + B should be used.


Calculate the number of ventilators required :
Metric = V x A/ch
EX/c x 3.6

Where :
V = Volume of builidng roof space
A/ch = Air changes per hour (refer ACH table)
EX/c = Exhaust capacity of ventilator (refer Exchaust Capacity table above)

Exchaust Capacity :


Wind VelocityTurbovent – 21 (Exchaust Capacity in litres per second)Turbovent – 24(Exchaust Capacity in litres per second)
04 Kmh600700
08 Kmh800920
12 Kmh13001500
18 Kmh18002080
24 Kmh23002650

ACH Table :


Recommended Air Change Per Hour
Commercial PremisesACHIndustrial PromisesACH
Assembly Rooms04/04/11Boiler Rooms10/25/11
Bakeries 10 - 20Dye Works10/15/11
Banks03/04/11Electroplating Shops10/20/11
Cafes and Coffee Bars10/12/11Engine Rooms10/25/11
Canteens05/10/11Factories and Workshops10/20/11
Cimenas and theatres05/08/11Foundries10/25/11
Conference Rooms 8 - 12Laundries10/20/11
Dance Halls06/08/11Paint Shops10/20/11
Entrance Halls 3 - 5Stores and Warehouses05/10/11
Garages06/08/11Welding Shops10/25/11
Gymnasiums 6 - 12--
Hair Dressing Salons 10 - 15--
Hospital Sterilizing Wards 4 - 6--
Commercial Kitchens 10 - 20--
Laboratories 8 - 12--
Launderettes15 - 25--
Lavatories08/15/11--
Libraries03/05/11--
Offices04/08/11--
Photo and X-ray Dark Rooms 10 - 15--
Recording studios 10 - 12--
Restaurants 6- 10--
School Rooms 2- 4--