High-pressure fans ВР 12-26

ВР 12-26 №2,5
ВР 12-26 К (К1) №3,15
ВР 12-26 Р, В (В1) №4
ВР 12-26 СЧ №5

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General information

• High-pressure
• One-side suction
• Quantity of blades: 32
• Direction of rotation – right-hand and left-hand

High-pressure fans ВР 12-26 are designated for displacement of air and other non- explosive gassteam-air mediums, which do not cause accelerated corrosion of carbon steel (rate of corrosion – not more than 0,1 mm a year), wherein content of dust and other solid impurities is not more than 0,1g/m3,and there are no adhesive substances and fibrous materials.

High-pressure fan ВР 12-26 К is designated for displacement of corrosive non-explosive mixtures, which do not cause accelerated corrosion of steel AISI 409, being an analogue of 08Х13 (Steel 12Х18Н10Т– upon request of a customer) (rate of corrosion –not more than 0,1 mm a year), wherein content of dust and other solid impurities is not more than 0,1 g/m3, and there are no adhesive substances and fibrous materials.

Industrial high-pressure fans ВР 12-26 В (Р) are designated for displacement of gas-steam-air mixtures of IIА, IIВcategories, which do not cause accelerated corrosion of carbon steel and brass (rate of corrosion – not more than 0,1 mm a year), wherein content of dust and other solid impurities is notmore than 0,1 g/m3, and there are no adhesive substances and fibrous materials. These fans cannot be applied for displacement of gas-steam-air mixtures, coming from process units, in which explosive substances are heated above the temperatures of their spontaneous combustion or are exposed to an excessive pressure.

Fans ВР 12-26 ВК (РК) are designated for displacement of gas-steam-air mixtures of IIА, IIВcategories, which contain no explosive substances and aggressive gases and steams polluted by impurities, wherein corrosion rate for stainless steel and brass does not exceed 0,1 mm a year, content of dust and other solid impurities is not more than0,1 г/м3, and there are no adhesive substances and fibrous materials. These fans cannot be applied fordisplacement of gas-steam-air mixtures, coming from process units, in which explosive substances are heated above the temperatures of their spontaneous combustion or are exposed to an excessive pressure.

Maximum temperature of medium to be displaced by the general-purpose fans – 80° С, for heatresistant ones (Ж) – 200° С. Based on the rotation direction of an impeller, high-pressure fans are
subdivided into right-hand rotation fans – when impeller is rotated clockwise if look from the side of suction, and left-hand rotation fans – when impeller is rotated anticlockwise.

Specifications of centrifugal fans ВР 12-26

Fan No.
Electric motor
Rate of
rotation,
min
Parameters in operating area
Fan
weight,
kg
Fan volume,
m3 / h
Standard size Power KW Capacity 10³ х m³/hour
Total pressure,
Pa
2,5 АИР 71 А2 0,75 2810 0,59-0,67 1650-1700 27,5 0,06
АИР 71 В2 1,1 0,59-1,01 1650-1660 29
3,15 5А 80 МВ2 2,2 2840 1,1-1,39 2700-2900 45 0,12
АИР 90 L2 3 1,1-1,85 2700-3000 46
АИР 100 S2 4 1,1-2,3 2700-2900 56
4 5М 112 М2 7,5 2905 2,35-3,23 4400-4750 111 0,23
АИР 132 М2 11 2,35-4,4 4400-4700 132
5 АИР 180 S2 22 2940 4,5-5,75 7200-7800 248 0,53
АИР 180 M2 30 4,5-7,8 7200-8000 268
5М 200 М2 37 4,5-9,0 7200-7800 322

Overall dimensions of radial fans ВР 12-26

Overall dimensions of the fans ВР 12-26

Fan No. Dimension , mm
Пр 270˚, Лев 270˚ Пр 315˚, Лев 315˚ Пр 0˚, Лев 0˚
B H b B H b B H b
2,5 358 419 188 464 410 178 403 420 169
3,15 445 521 235 576 510 223 500 520 211
4 558 648 298 719 633 282 625 640 268
5 691 804 371 895 785 352 781 790 334
Fan No. Dimension , mm
Пр 45˚, Лев 45˚ Пр 90˚, Лев 90˚ Пр 135˚, Лев 135˚
B H b B H b B H b
2,5 336 536 139 358 484 188 464 447 178
3,15 446 663 199 445 599 235 576 557 223
4 565 817 252 558 737 298 719 693 282
5 705 1013 315 691 917 371 895 860 352

Overall dimensions of the fans BP 12-26 Cast

Fan No Dimension , mm
Пр 270˚, Лев 270˚ Пр 315˚, Лев 315˚ Пр 0˚, Лев 0˚
B b H B b H B b H
2,5 362 192 428 469 183 421 408 173 425
3,15 449 239 525 580 227 516 504 215 520
4 562 302 662 724 288 647 630 273 650
5 698 378 821 902 359 805 788 340 800
Fan No Dimension , mm
Пр 45˚, Лев 45˚ Пр 90˚, Лев 90˚ Пр 135˚, Лев 135˚
B b H B b H B b H
2,5 367 166 541 362 192 490 469 183 456
3,15 457 206 663 449 239 599 580 227 560
4 575 258 826 562 302 747 724 288 707
5 722 325 1023 698 378 928 902 359 877

Mechanical dimensions of radial fans BP 12-26 (carbon steel)

Fan No. Dimension , mm
D D1 d d1 T1 T2 t k m h
2,5 200 240 M6 7,3 135 110 80 100 75 250
3,15 252 300 М6 172 140 126 96 310
4 320 370 М8 204 164 160 120 380
5 400 460 М10 10 252 202 100 200 150 470
Fan No. Dimension , mm
A a C B b b1 L L1 L2 H
2,5 195 39 240 403 150 234 385 41,5 315 420
3,15 228 70 290 500 189 289 485 54 400 520
4 300 91 400 625 240 357 580 66 514 640
5 470 103,5 500 781 300 447 909 81 786 790

Mechanical dimensions of radial fans BP 12-26 (Cast)

Fan No. Dimension , mm
Lмах Н Н1 В b b1 b2 c c1 c2 D
2,5 374 425 255 408 170 10 16 150 225 240 200
3,15 483 520 310 504 210 10 16 189 250 190 252
4 773 650 390 630 260 14 18 240 300 350 319
5 894 800 480 788 320 14 18 300 450 400 400
Fan No. Dimension , mm
D1 D2 A A1 A2 A3 A4 A5 A6 d1 d2
2,5 240 300 100 75 80 135 170 110 145 М6 М6
3,15 300 365 126 96 80 172 200 140 170 М6 М6
4 370 455 160 120 80 204 235 164 195 М6 М8
5 460 570 200 150 100 253 295 202 245 М10 М10

Aerodynamic characteristics of fans ВР 12-26

Аэродинамическая характеристика ВР 12-26 № 3,15

Аэродинамическая характеристика ВР 12-26 № 4

Аэродинамическая характеристика ВР 12-26 № 5