HVG MARINE VENTILATION EQUIPMENT 0010: Galvanized Steel Diffusion Outlet
Description
Drawing
|
A×B (Neck size) |
E×F(Air outlet) |
C×D(Surface size） |
|
150×150 |
405×405 |
595×595 or 603×603 Fitted with light steel frame ceiling specifications |
|
200×200 |
||
|
250×250 |
||
|
300×300 |
| Neck size mm
(Area m2) |
Wind speed
M/S |
2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 |
| 150×150
(0.0225) |
Air volume | 162 | 203 | 243 | 284 | 324 | 365 | 405 |
| Total pressure loss | 1.1 | 1.2 | 1.4 | 1.8 | 2.5 | 3.0 | 4.0 | |
| Arrival distance | 1.7-2.5 | 2-2.9 | 2.4-3.2 | 2.5-3.5 | 2.6-3.9 | 2.6-3.9 | 3.0-4.2 | |
| NC | – | 21 | 24 | 27 | 31 | 34 | 37 | |
| 200×200
(0.04) |
Air volume | 288 | 360 | 432 | 504 | 576 | 648 | 720 |
| Total pressure loss | 1.3 | 1.4 | 1.9 | 2.6 | 3.2 | 4.2 | 5.1 | |
| Arrival distance | 2.3-3.2 | 2.5-4 | 3-4.3 | 3.2-4.6 | 3.4-5.1 | 3.6-5.3 | 3.8-5.5 | |
| NC | 21 | 22 | 25 | 30 | 33 | 37 | 40 | |
| 250×250
(0.0625)
|
Air volume | 450 | 563 | 675 | 788 | 900 | 1013 | 1125 |
| Total pressure loss | 1.4 | 2.0 | 3.0 | 4.0 | 5.1 | 6.5 | 8.0 | |
| Arrival distance | 3.1-4.2 | 3.5-5 | 3.9-5.4 | 4.2-5.7 | 4.3-6.2 | 4.8-6.7 | 5-7 | |
| NC | 22 | 23 | 27 | 32 | 34 | 37 | 41 | |
| 300×300
(0.09) |
Air volume | 648 | 810 | 972 | 1134 | 1296 | 1458 | 1620 |
| Total pressure loss | 2.0 | 3.1 | 4.2 | 6.0 | 7.4 | 9.4 | 10.7 | |
| Arrival distance | 3.8-5.2 | 4.1-5.8 | 4.8-6.4 | 5-7.2 | 5.4-7.8 | 5.7-8.2 | 6-8.5 | |
| NC | 23 | 24 | 29 | 33 | 36 | 39 | 44 |
