Nozzle air distributors SD
Nozzle air distributors are intended for air distribution in-doors for distance using range of inlet air jet at the same time low noise level. As a rule, it is necessary in big size facilities ( parking, sport halls, exhibition centers, garages, storehouses, hangars, etc.). 
Nozzles mount in premises along walls. Inlet air jet from a nozzle moving to ventilated zone, changing a speed and temperature and deviates upwards (warm air) or downwards ( cold air). For increase range of air jet using joining of the separate nozzles in blocks. Optimum profile of nozzles provides low aerodynamic resistance and low noise level.
Features:
Nozzle air distributors have fixed nozzles. They are made of the anodized aluminum and painted in any color at will of customer according to RAL.
Types and sizes:
Nozzle air distributors are made seven standard sizes: from 100 to 400 mm.
| Type | Size | D1 мм | D2 мм | D3 мм | L мм | Minimum airspeed, m/s | Maximum airspeed, m/s | Free area, m2 | Minimum air consumption, m3/h | Maximum air consumption, m3/h |
| SD | 100 | 50 | 115 | 136 | 94 | 2,5 | 20,0 | 0,0020 | 18 | 141 |
| SD | 125 | 64 | 138 | 159 | 112 | 2,5 | 20,0 | 0,0032 | 29 | 232 |
| SD | 160 | 82 | 201 | 225 | 122 | 3,0 | 18,0 | 0,0053 | 57 | 342 |
| SD | 200 | 108 | 241 | 265 | 153 | 3,0 | 17,0 | 0,0092 | 99 | 560 |
| SD | 250 | 136 | 291 | 315 | 187 | 3,5 | 15,0 | 0,0145 | 183 | 784 |
| SD | 315 | 174 | 376 | 400 | 224 | 4,0 | 14,0 | 0,0238 | 342 | 1198 |
| SD | 400 | 230 | 461 | 485 | 287 | 4,0 | 14,0 | 0,0415 | 598 | 2093 |
Installation:
Directly in rectangular and round air ducts nozzle SD mount. In both cases are used unflanged folds through which fastening is realized by screws or rivets.
Nozzle mounting examples:
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