Roof fans ВКВРМ

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

For an accurate selection of this type of equipment, we suggest that you fill out a questionnaire and send it to our specialists in the order

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+7 (4942) 622-023

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

 

Roof fans  ВКРВмare applied in the stationary ventilating systems  as sanitary and industrial units installed on roofs of the buildings. Roof smoke exhaust fans are designated for displacement of smokeand-air mixtures generated during fire out of a building.

Specifications of roof fans ВКРВм

Fan No.
Number of
blades
Electric motor
Capacity 103 х m3/hour
Total pressure, Pa Weight, kg
№3,55 6 0,25*1500 0,5-2,4 250÷0 98
2,2*3000 1-4,8 1160÷0 107
9 0,37*1500 0,6-2,85 252÷0 98
3*3000 1,2-6,1 1160÷0 111
№4 6 0,55*1500 1-3,7 320÷0 98
3*3000 2-7,8 1400÷0 109
9 0,75*1500 0,9-4,3 365÷0 100
5,5*3000 1,8-8,6 1460÷0 126
№4,5 6 0,75*1500 1,2-5,3 470÷0 153
7,5*3000 3,2-11,2 1920÷0 184
9 1,1*1500 1,4-6,2 470÷0 157
11*3000 2,8-12,4 1950÷0 213
№5 6 1,5*1500 2,2-7,6 590÷0 150
9 2,2*1500 2,2-8,8 580÷0 155
№5,6 6 0,75*1000 2-7 300÷0 188
2,2*1500 3-10,4 700÷0 194
9 1,1*1000 2-8,4 320÷0 192
3*1500 3-12,4 730÷0 201
№6,3 6 1,1*1000 2,8-10 395÷0 202
4*1500 4,4-15,5 960÷0 219
9 1,5*1000 3-11,6 420÷0 208
5,5*1500 8-18,2 960÷0 235
№7,1 6 2,2*1000 4-14,8 550÷0 294
7,5*1500 6,1-22,1 1240÷0 327
9 3*1000 4-17 550÷0 314
11*1500 6,4-26 1240÷0 386
№8 6 4*1000 6-21 680÷0 508
15*1500 6,4-32 1530÷0 580
9 3*750 4,5-19 400÷0 494
7,5*1000 6-24,5 700÷0 508
22*1500 9-37,5 1610÷0 590
№9 6 3*750 6-22 460÷0 516
7,5*1000 7-30 860÷0 575
9 5,5*750 7-26 480÷0 569
11*1000 8-36 900÷0 615
№10 6 5,5*750 8-30 590÷0 646
15*1000 12-41 1080÷0 713
9 7,5*750 9-37 640÷0 686
18,5*1000 12-49 1120÷0 738
№11,2 6 11*750 12-44 780÷0 919
22*1000 16-58 1390÷0 1040
9 15*750 14-52 800÷0 955
30*1000 16-69 1400÷0 1075
№12,5 6 15*750 17-61 960÷0 1181
9 22*750 17-72 1000÷0 1281

Mounted dimensions of roof  fans ВКРВм

Overall and mounting dimensions of ВКРВм №3,55 – №12,5

Fan No. Dimension , mm N N2
L B H D D2 D3 d d2
№3,55 985 570 725 595 430 345 16 M8 8 8
№4 983,6 570 763 595 430 375 16 M8 8 8
№4,5 1138 670 924 595 490 425 16 M8 8 8
№5 1138 670 803 595 490 425 16 M8 8 8
№5,6 1136,5 787 930 772 660 520 16 M8 8 8
№6,3 1370 787 1137 772 660 589 16 M8 8 8
№7,1 1565 895 1215 772 660 582 16 M8 8 8
№8 1971 1175 1397 1072 850 745 16 M8 8 8
№9 1971 1175 1397 1072 850 745 16 M8 8 8
№10 2215 1320 1531 1272 1040 915 19 M12 8 8
№11,2 2272 1372 1634 1272 1040 945 19 M12 8 8
№12,5 2505 1522 1750 1522 1310 1100 16 M12 8 12

Aerodynamic characteristic of fans ВКРВм

ВКРВм №3,55

ВКРВм №4

ВКРВм №4,5

ВКРВм №5

ВКРВм №5,6

ВКРВм №6,3

ВКРВм №7,1

ВКРВм №8

ВКРВм №9

ВКРВм №10

ВКРВм №11,2

ВКРВм №12,5

Acoustic characteristics of fans ВКРВм

Fan
Amendments ∆Lw for calculating the sound power level [dB] in octave bands with mean geometric
frequencies, Hz
63 125 250 500 1000 2000 4000 8000
ВКРСм z=6 +1 +7 +2 0 -7 -12 -12 -21
ВКРСм z=9 -9 -8 -3 -3 -4 -9 -14 -19