ROOF FANS

AXIAL ROOF FAN
TYPE DOS
- Designed for exhaust ventilation facilities.
- Designed for continuous operation in the temperature range from -20 up to +55ºC.
- Fans designed to create flow of air and other chemically inert agents.
- Designed with a particular emphasis on achieving high flow parameters.


IMPELLER
Our impellers: high efficiency impellers, with profiled blades, made from a durable and lightweight plastic material, pressure-cast aluminum hub.

MOTOR
Motors: asynchronous, placed in a closed cast-aluminum or cast-iron housing, equipped with maintenance-free bearings; 3-phase type.

FAN HOUSING
Fan housing: with a perfectly round shape, made of steel sheet, protected against corrosion by powder coating or galvanizing.
TECHNICAL DATA

![]() Type of fan | Motor output [kW] | Motor speed [min -1] | Maximum airflow [m3/h] | Max. static pressure [Pa] | Sound level [dB(A)]* | Weight [kg]** |
---|---|---|---|---|---|---|
DOS280/0,18-4/6/WS | 0,18 | 1450 | 2100 | 70 | 62 | 16 |
DOS315/0,18-4/6/WS | 0,18 | 1450 | 3200 | 60 | 67 | 18 |
DOS355/0,25-4/8/WS | 0,25 | 1400 | 4400 | 85 | 66 | 22 |
DOS400/0,25-4/6/WS | 0,25 | 1400 | 5600 | 60 | 65 | 25 |
DOS400/0,37-4/8/WS | 0,37 | 1400 | 6250 | 80 | 66 | 26 |
DOS450/0,37-4/6/WS | 0,37 | 1400 | 7450 | 105 | 66 | 29 |
DOS450/0,55-4/8/WS | 0,55 | 1400 | 8500 | 105 | 69 | 30 |
DOS500/0,55-4/8/WS | 0,55 | 1400 | 9000 | 120 | 69 | 35 |
DOS500/0,75-4/8/WS | 0,75 | 1400 | 11400 | 100 | 70 | 37 |
DOS560/0,75-4/8/WS | 0,75 | 1400 | 12000 | 120 | 71 | 45 |
DOS560/1,1-4/8/WS | 1,1 | 1425 | 15500 | 170 | 73 | 46 |
DOS630/0,75-4/6/WS | 0,75 | 1400 | 13650 | 190 | 73 | 59 |
DOS630/1,1-4/6/WS | 1,1 | 1425 | 15380 | 190 | 73 | 61,5 |
DOS630/1,5-4/5/WS | 1,5 | 1425 | 18300 | 190 | 74 | 66 |
DOS710/0,75-6/5/WS | 0,75 | 900 | 17000 | 90 | 70 | 72 |
DOS710/1,1-6/9/WS | 1,1 | 930 | 19500 | 140 | 71 | 80 |
DOS710/1,5-6/9/WS | 1,5 | 940 | 21200 | 140 | 72 | 85 |
DOS710/2,2-4/5/WS | 2,2 | 1440 | 25300 | 220 | 81 | 81 |
DOS800/0,55-6/9/WS | 0,55 | 900 | 13400 | 130 | 76 | 77 |
DOS800/0,75-6/5/WS | 0,75 | 900 | 16860 | 110 | 77 | 81 |
DOS800/1,5-6/6/WS | 1,5 | 940 | 25200 | 130 | 80 | 86 |
DOS800/2,2-6/9/WS | 2,2 | 945 | 27500 | 160 | 81 | 91 |
DOS900/0,75-6/5/WS | 0,75 | 900 | 23000 | 115 | 78 | 94 |
DOS900/1,1-6/5/WS | 1,1 | 930 | 25000 | 130 | 79 | 99 |
DOS900/1,5-6/5/WS | 1,5 | 940 | 28000 | 130 | 80 | 107 |
DOS900/2,2-6/9/WS | 2,2 | 945 | 31400 | 180 | 82 | 109 |
DOS1000/0,75-6/5/WS | 0,75 | 900 | 21400 | 150 | 79 | 108 |
DOS1000/1,1-6/9/WS | 1,1 | 930 | 20000 | 200 | 79 | 113 |
DOS1000/1,5-6/9/WS | 1,5 | 940 | 26400 | 240 | 80 | 122 |
DOS1000/2,2-6/9/WS | 2,2 | 945 | 33100 | 190 | 82 | 131 |
DOS1250/2,2-6/8/WS | 2,2 | 945 | 33200 | 210 | 80 | 200 |
DOS1250/4,0-6/8/WS | 4 | 960 | 45000 | 250 | 81 | 226 |
DOS1250/5,5-6/8/WS | 5,5 | 960 | 56000 | 300 | 83 | 213 |
/* Here you can add custom CSS for the current table */ /* Lean more about CSS: https://en.wikipedia.org/wiki/Cascading_Style_Sheets */ /* To prevent the use of styles to other tables use "#supsystic-table-152" as a base selector for example: #supsystic-table-152 { ... } #supsystic-table-152 tbody { ... } #supsystic-table-152 tbody tr { ... } */
* Sound level with open inlet and outlet
** Weight of fans given in this site is the design value and weight of delivered products may be different.
FLOW CHARACTERISTICS
4 POLES

DOS280/0,18-4/6/WS
DOS315/0,18-4/6/WS
DOS355/0,25-4/8/WS
DOS400/0,25-4/6/WS
DOS400/0,37-4/8/WS
DOS450/0,37-4/6/WS
DOS450/0,55-4/8/WS
DOS500/0,55-4/8/WS
DOS500/0,75-4/8/WS
DOS560/0,75-4/8/WS
DOS560/1,1-4/8/WS
DOS630/0,75-4/6/WS
DOS630/1,1-4/6/WS
DOS630/1,5-4/5/WS
DOS710/2,2-4/5/WS
DOS280/0,18-4/6/WS
DOS315/0,18-4/6/WS
DOS355/0,25-4/8/WS
DOS400/0,25-4/6/WS
DOS400/0,37-4/8/WS
DOS450/0,37-4/6/WS
DOS450/0,55-4/8/WS
DOS500/0,55-4/8/WS
DOS500/0,75-4/8/WS
DOS560/0,75-4/8/WS
DOS560/1,1-4/8/WS
DOS630/0,75-4/6/WS
DOS630/1,1-4/6/WS
DOS630/1,5-4/5/WS
DOS710/2,2-4/5/WS
DOS280/0,18-4/6/WS
DOS315/0,18-4/6/WS
DOS355/0,25-4/8/WS
DOS400/0,25-4/6/WS
DOS400/0,37-4/8/WS
DOS450/0,37-4/6/WS
DOS450/0,55-4/8/WS
DOS500/0,55-4/8/WS
DOS500/0,75-4/8/WS
DOS560/0,75-4/8/WS
DOS560/1,1-4/8/WS
DOS630/0,75-4/6/WS
DOS630/1,1-4/6/WS
DOS630/1,5-4/5/WS
DOS710/2,2-4/5/WS
FLOW CHARACTERISTICS
6 POLES

DOS710/0,75-6/5/WS
DOS710/1,1-6/9/WS
DOS710/1,5-6/9/WS
DOS800/0,55-6/9/WS
DOS800/0,75-6/5/WS
DOS800/1,5-6/6/WS
DOS800/2,2-6/9/WS
DOS900/0,75-6/5/WS
DOS900/1,1-6/5/WS
DOS900/1,5-6/5/WS
DOS900/2,2-6/9/WS
DOS1000/0,75-6/5/WS
DOS1000/1,1-6/9/WS
DOS1000/1,5-6/9/WS
DOS1250/2,2-6/8/WS
DOS1250/4,0-6/8/WS
DOS1250/5,5-6/8/WS
DOS710/0,75-6/5/WS
DOS710/1,1-6/9/WS
DOS710/1,5-6/9/WS
DOS800/0,55-6/9/WS
DOS800/0,75-6/5/WS
DOS800/1,5-6/6/WS
DOS800/2,2-6/9/WS
DOS900/0,75-6/5/WS
DOS900/1,1-6/5/WS
DOS900/1,5-6/5/WS
DOS900/2,2-6/9/WS
DOS1000/0,75-6/5/WS
DOS1000/1,1-6/9/WS
DOS1000/1,5-6/9/WS
DOS1000/2,2-6/9/WS
DOS1250/2,2-6/8/WS
DOS1250/4,0-6/8/WS
DOS1250/5,5-6/8/WS
DOS710/0,75-6/5/WS
DOS710/1,1-6/9/WS
DOS710/1,5-6/9/WS
DOS800/0,55-6/9/WS
DOS800/0,75-6/5/WS
DOS800/1,5-6/6/WS
DOS800/2,2-6/9/WS
DOS900/0,75-6/5/WS
DOS900/1,1-6/5/WS
DOS900/1,5-6/5/WS
DOS900/2,2-6/9/WS
DOS1000/0,75-6/5/WS
DOS1000/1,1-6/9/WS
DOS1000/1,5-6/9/WS
DOS1000/2,2-6/9/WS
DOS1250/2,2-6/8/WS
DOS1250/4,0-6/8/WS
DOS1250/5,5-6/8/WS
DIMENSIONS


TYPE | L | B | ØDd | H | ØDz | ØDp | ØD | n x Ød |
---|---|---|---|---|---|---|---|---|
DOS280 | 300 | 43 | 550 | 487 | 370 | 330 | 280 | 8xØ10 |
DOS315 | 300 | 43 | 550 | 489 | 405 | 365 | 315 | 8xØ10 |
DOS355 | 325 | 43 | 550 | 517 | 445 | 405 | 355 | 8xØ10 |
DOS400 | 350 | 43 | 750 | 538 | 490 | 450 | 400 | 8xØ10 |
DOS450 | 350 | 43 | 750 | 538 | 540 | 500 | 450 | 8xØ10 |
DOS500 | 400 | 43 | 750 | 592 | 590 | 550 | 500 | 8xØ10 |
DOS560 | 400 | 78 | 1000 | 651 | 650 | 610 | 560 | 8xØ10 |
DOS630 | 400 | 78 | 1000 | 656 | 720 | 680 | 630 | 8xØ10 |
DOS710 | 410 | 78 | 1000 | 672 | 800 | 760 | 710 | 8xØ10 |
DOS800 | 410 | 88 | 1300 | 730 | 890 | 850 | 800 | 8xØ10 |
DOS900 | 410 | 88 | 1300 | 737 | 990 | 950 | 900 | 8xØ10 |
DOS1000 | 410 | 88 | 1300 | 759 | 1090 | 1050 | 1000 | 12xØ10 |
DOS1120 | 410 | 98 | 1485 | 795 | 1210 | 1170 | 1120 | 12xØ10 |
DOS1250 | 410 | 98 | 1485 | 846 | 1340 | 1300 | 1250 | 12xØ10 |
/* Here you can add custom CSS for the current table */ /* Lean more about CSS: https://en.wikipedia.org/wiki/Cascading_Style_Sheets */ /* To prevent the use of styles to other tables use "#supsystic-table-186" as a base selector for example: #supsystic-table-186 { ... } #supsystic-table-186 tbody { ... } #supsystic-table-186 tbody tr { ... } */