Roof fans ВКРВМ ДУ

№3,55 №4
№4,5 №5
№5,6 №6,3
№7,1 №8
№9 №10
№11,2 №12,5
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General information

• Low and medium pressure
• One-side suction
• Number of blades 6 and 9
• Impeller with backward curved blades
• An be equipped with valves, trays, glasses
• Konstruktsuiya roof fans is completely protected from rain amosfernyh
• Lack of moisture through the fan inside the room depends largely on the quality of its installation and
qualification of the installer.
Fans  of  ВКРВм-ДУ type  are  applied  in  stationary  emergency  systems  of  suction  ventilation  for extraction  of  fire  gases  and  simultaneous  heat  removal  outside.  The  fans  can  move  the  gas  &  air mixtures with temperature up to 400 ° Сwithin 120 minutes and up to 600 ° Сwithin 60 minutes.

The fans are operated in mild (У) and tropical (Т) climate of location category 2 and 3 according toGOST 15150-69. The ambient temperature is -40 to +40 ° С(for tropical versions of fans: -10 ° Сto +45 ° С).  The  removed  under  normal  conditions  media  mustn’t  contain  sticky  substances,  fiber  materials, mustn’t be aggressive towards carbon steels higher  than air aggressiveness and contain the dust and other solids on the level more than 100 mg/m3.

Specifications of roof fans ВКРВм ДУ

Fan
Number of
blades
Electric
motor
Parameters in operating area
Fan weight,
kg
Fan
volume,
m3/ h
Capacity 10х m3/hour
Total
pressure,
Pa t=20˚
Total
pressure, Pa
t=400˚
Total
pressure, Pa
t=600˚
3,55
6
0,18*1500
0,5-0,25
260-0
110-0
85-0
66
0,34
9
0,25*1500
0,5-2,5
250-0
108-0
84-0
76
4
6
0,37*1500
1-3,7
320-0
140-0
110-0
77
0,43
9
0,55*1500
0,9-4,3
365-0
156-0
120-0
89
4,5
6
0,75*1500
1,5-5,3
470-0
204-0
160-0
94
0,71
9
1,1*1500
1,4-6,2
470-0
204-0
155-0
94
5
6
1,1*1500
2,1-7,5
580-0
255-0
195-0
130
0,62
9
1,5*1500
2,2-8,8
590-0
256-0
196-0
5,6
6
0,55*1000
2-7
300-0
130-0
102-0
133
1,00
2,2*1500
3-10,4
700-0
350-0
236-0
9
0,75*1000
2-8,4
320-0
140-0
108-0
175,9
3*1500
3-12,4
730-0
320-0
245-0
6,3
6
1,1*1000
2,8-10
395-0
173-0
132-0
161
1,24
4*1500
4,0-15,5
960-0
420-0
325-0
9
1,5*1000
3-11,6
420-0
180-0
135-0
180,5
5,5*1500
4,4-18,2
980-0
420-0
320-0
7,1
6
2,2*1000
4-14,8
520-0
230-0
180-0
184
1,71
7,5*1500
6,1-22,1
1240-0
540-0
415-0
219
9
3*1000
4-17,2
550-0
230-0
180-0
189
11*1500
6,4-26
1420-0
540-0
415-0
233
8
6
4*1000
6-21
680-0
300-0
230-0
272
3,14
11*1500
8,7-31,2
1530-0
660-0
515-0
351
9
5,5*1000
6,0-24,5
700-0
300-0
230-0
413
18,5*1500
9-37,5
1610-0
700-0
540-0
403
9
6
3*750
6-22
460-0
200-0
155-0
308
3,24
7,5*1000
8-30
860-0
375-0
288-0
345
9
4*750
7-26
480-0
210-0
160-0
320
11*1000
9-36
900-0
390-0
300-0
410
10
6
5,5*750
8-30
590-0
250-0
190-0
461
4,47
11*1000
12-41,2
1085-0
475-0
365-0
486
9
7,5*750
9-37
640-0
275-0
210-0
504
15*1000
11,2-47,5
1120-0
485-0
375-0
520
11,2
6
11*750
12-44
780-0
335-0
260-0
565
5,08
18,5*1000
16,2-57,5
1370-0
595-0
460-0
532
9
15*750
14-52
800-0
550-0
270-0
570
30*1000
16,2-68
1400-0
610-0
470-0
963
12,5
6
15*750
17-61
960-0
420-0
325-0
710
7,11
37*1000
22,5-81,2
1725-0
750-0
580-0
620
9
22*750
17-72
1000-0
435-0
335-0
1106
45*1000
23,7-96
1775-0
775-0
600-0
1203

 

Mounted dimensions of roof fans ВКРВм

Overall and mounting dimensions of fans ВКРВм №3.55 – №12,5

Fan No. Dimension , mm N N2
D D2 D3 d d2 L B H
3,55 595 430 350 16 М8 958 590 725 8 8
4 595 430 380 16 М8 984 590 763 8 8
4,5 595 490 430 16 М8 1138 700 924 8 8
5 595 490 430 16 М8 1138 700 803 8 8
5,6 772 660 525 16 М8 1363 830 930 8 8
6,3 772 660 595 16 М8 1370 830 1137 8 8
7,1 772 660 595 16 М8 1565 947 1215 8 8
8 1072 850 750 16 М8 1971 1220 1397 8 8
9 1072 850 750 16 М8 1971 1220 1397 8 8
10 1272 1040 920 19 М12 2215 1370 1531 8 8
11,2 1272 1040 950 19 М12 2272 1428 1634 8 8
12,5 1522 1310 1100 16 М12 2505 1580 1750 8 12

 

Aerodynamic characteristic of fans ВКРВм ДУ

ВКРВм ДУ № 3,55

ВКРВм ДУ № 4

ВКРВм ДУ № 4,5

ВКРВм ДУ № 5

ВКРВм ДУ № 5,6

ВКРВм ДУ № 6,3

ВКРВм ДУ № 7,1

ВКРВм ДУ № 8

ВКРВм ДУ № 9

ВКРВм ДУ № 10

ВКРВм ДУ № 11,2

ВКРВм ДУ № 12,5