PMI Vent by Arman Company
PMI Vent Solutions is a recognized leader in fabricating custom flashing and trims for building construction. Our products are designed to meet the precise needs of our clients, ensuring quality and durability.
- Number of Ventilators Required = Ventilation Rate (Q) / Exhaust Capacity
- Required Ventilation Rate (H₃) = Volume × Air Change Rate / 600
- Volume of Space to Be Ventilated (H₃) = Length × Width × Height
- Select Air Change Rate from Table A
- Select Exhaust Capacity from Table B
- Consider Temperature Differences (°C) and Air Velocity for optimal performance.
Table A: Recommended Air Change Rates
| Type of Building | Air Change@per hour | Type of Building | Air Change@per hour |
|---|---|---|---|
| Ware House | 4 – 6 | Engine room /Laundary & Plastic Fatory | 10 - 30 |
| TextileMill/ Auditorium | 8 – 15 | Engineroom /Laundary & Plastic Fatory | 15 - 40 |
| Paper Mill / Brewery Oil Mill / Packing Room | 8 – 30 |
Table A: Recommended Air Change Rates
| WIND Velocity (mph) | 5 | 8 | 10 |
|---|
| Temp Diff. OC | 3 | 5 | 10 | 3 5 10 | 10 |
|---|
| ModelNo | STACK | 8 | Exhaust Capacity in | cpm |
|---|
| HAV.500 |
|
|---|
| 939 | 1000 | 1102 | 1436 1498 1600 | 1792 1858 1958 |
|---|---|---|---|---|
| 1005 | 1084 | 1216 | 1503 1582 1714 | 1859 1938 2070 |
| 1058 | 1154 | 1314 | 1556 1652 1812 | 1916 2010 2168 |
| 1107 | 1216 | 1394 | 1605 1714 1896 | 1961 2070 2252 |