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AIR VENTILATOR
| Size | 24" NetDia & 21" throat Dia |
|---|---|
| Weight | 6.5 Kg approx |
| Technology | Teflone Bushing (noiseless) |
| Blades | 36 Nos. 0.5mm Aluminum Blades |
| Frame | MS galvanized |
| Top Cover | Stainless Steel |
| Note | Available in Aluminum, Stainless Steel, Powder Coating / Anodizing will be on request. |
MATERIAL STRUCTURE
SALIENT FEATURES
- Air Power Ventilator's vane are manufactured from high grade aluminium including the rivets and therefore highly resistant to atmoshperic corrosion.
- No power involved for its operation as its movement is controled by natura wind movement / hot air draft (Thermos Syphoning).
- The vane's are profiled and rolled to provide strong blade with good aerodynamic performances.
- Air Power Ventilators are light in weight and hence operational at very lightly wind speeds.
- Since no power involved for its operations, no recurring charges in terms of electricity.
- The vane design and the centrifugal action prevent rain water from entering the ventilator.
- Designed to be fitted easily on asbestos, galvanized, iron and aluminium roofs.Assured ventilation for 24 hours / 65 days.
HOW TO CALCULATE A REQUIREMENT OF AIR VENTILATOR
- No. of Ventilator Required = Ventilation Rate Q / Exhaust Capacity
- Required Ventilation rate (cfm) = ( Volume (ft) * Air Change Rate ) / 60
- Volume of Space to be ventilated (ft) = 1 * w * h
- Select Air Change Rate from. Table A.
- Select Exhaust Capacity from Table B as per required Temp. Diff. C and wind- Velocity (MPH).
TABLE A : REQUIRED AIR CHARGE RATES
| Type of Building | Air Change rate Per Hour |
|---|---|
| Were House | 4-6 |
| Textile Mill / Auditorium | 4-12 |
| Factories (Light) Hall | 6-12 |
| Paper MW / Brewery / Oil mill / Packaging Room | 8-30 |
| Engine room / Laundry @ Plastic Factory Heavy Factory / Transformer room | 10-30 |
| Print Shop / Boiler room | 15-60 |
TABLE B: PERFORMANCE DATA
| WIND Velocity (mph) | 5 | 8 | 10 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Temp Diff c | 3 | 5 | 10 | 3 | 5 | 10 | 3 | 5 | 10 | |
| STACK (Height ft) | Exhaust Capacity in CFM | |||||||||
| Model No.AP:28 | 10 | 939 | 1000 | 1102 | 1436 | 1498 | 1600 | 1792 | 1854 | 1958 |
| 20 | 1005 | 1084 | 1216 | 1503 | 1582 | 1714 | 1859 | 1938 | 2070 | |
| 30 | 1058 | 1154 | 1314 | 1556 | 1652 | 1812 | 1915 | 2010 | 2168 | |
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