Axial Flow Fan Selection
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Transcript of Axial Flow Fan Selection
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8/2/2019 Axial Flow Fan Selection
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Axial Flow Fan And
Centrifugal Fan
F a n s f o r t h e L o n g R u n !
A REGAL-BELOIT COMPANY
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configuration. Fan selection chart (full
solidity in 12" to 60", Full/ ha lf solidity
in 75") and general arrangement
dimensions are given in Table -1 & 2
respectively. Following special
application fans are also offered
depending on application and end
use.
Bifurcated Fans :
1
MARATHON Electric the Pioneer and
a c k n o w l e d g e d l e a d e r i n A i r
Technology offers a w ide ra nge o f
AXIAL Flow a nd Centr ifuga l Fa ns
suitable for Industrial ventilation, Air
Conditioning, Dust extraction and
Fume extraction systems.
Custom built fans catering to the specificrequirement of Steel Plant, Fertilizer
Plant, Tea Industry, Mine, Ship, Power
Plants (Thermal and Nuclear) Chemical
Plant etc. are also available.
AXIAL FLOW FAN
Features
Axial Flow Fans are available in wide
range of combination from 12" to 75"
diameter fitted with Motors from 0.37
kW to 110 kW in 2 Pole, 4 Pole, 6
versions. Motors are suitable for 415
volts 10%, 50 Hz 5%, 3 Phase Power
Supply, as per IS:325 / 19 96 , which
are in-house manufactured ensuring
better fitment and proper matching.
Fans are available in single phase
version also.
Duct mounted Fan
Axial Flow Fans are capable of
handling upto 300 000 m3/ hr airdelivery and static pressure upto 120
MM WG. Further pressure can be
developed with multiple staging of fans.
Construction
Fan Casing is made of heavy gauge
MS Sheet (as per IS-107 9/ 20 62)
having robust construction. It has
flanges at both ends for easy fixing
on ducts/ walls.
Impeller is made of Die Cast aluminium
(LM-6 of BS 1490 / IS 617 Gr. 46 00 )
having aerofoil design with adjustable
pitch angles. The solidity (No. of wings)
is varied in order to use the most
efficient part of the fan characteristics.
Wall Mounted
Fan
Axial Flow Fans are tested in
accordance with IS-3588-1991.
Standard fans are finished with synthetic
enamel paint.
Depending on application, fans can
be supplied with casing made of
stainless steel or zinc spra yed MS
sheet. Epoxy / chlorinated rubber paint
may also be provided.
Fans are available both in Wall
M o u n t e d a n d Duc t Mounted
MARATHON Electric Flame Proof Axial
Fans are available from sizes 15" to
75" and are used extensively in Fire
Hazard Areas.
Roof Extractor Unit :
MARATHON Electric Roof Extra ctorUnits are available from sizes 19" to
60", fitted with Hood and Bottom Plate.
These units are used on the roof to
extract and exhaust contaminated air.
Belt Driven Fan :
MARATHON Electric Belt Driven Fans
are available from sizes 19" to 75".
Fans are driven by belt and pulley
arrangement. The motor is located
outside the air stream.
Accessories :
Following (optional) accessories are
also available.
s Louvre Shutter
s Wall Cowl and Bird Screen
s Filter / Filter Frame with a da pter
cone
s Dampers
MARATHON Electric Bifurca ted Fans
are available from sizes 19" to 75".
These fans are used to handle
hazardous air, where motors are kept
outside the air stream.
Flame Proof Fans :
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FAN MODEL MOTOR RATING L L1 A B C D E F G K M N P
12K/ K37-P2 0.37 kW 2 POLE
12K/ K55-P2 0.55 kW 2 POLE
15J/ K37-P4 0.37 kW 4 POLE
15J/ K55-P2 0.55 kW 2 POLE
15J/ K75-P2 0.75 kW 2 POLE15J/ 1 K1-P2 1.1 kW 2 POLE
15J/ 1K5-P2 1.5 kW 2 POLE 406
19J/ K37-P4 0.37 kW 4 POLE
19J/ K75-P4 0.75 kW 4 POLE
19J/ 1K5-P2 1.5 kW 2 POLE 420 225 483 541 311 483 438 8 14 40x6 36 14 640
19J/ 2K2-P2 2.2 kW 2 POLE 450
19J/ 3K7-P2 3.7 kW 2 POLE 520
24J/ K37-P6 0.37 kW 6 POLE
24J/ K55-P6 0.55 kW 6 POLE
24J/ K75-P4 0.75 kW 4 POLE
24J/ 1 K1-P4 1.1 kW 4 POLE
24J/ 1K5-P4 1.5 kW 4 POLE 430
24J/ 2K2-P4 2.2 kW 4 POLE 460
30J/ K55-P6 0.55 kW 6 POLE
30J/ K75-P6 0.75 kW 6 POLE 22530J/ 1K1-P6 1.1 kW 6 POLE 450
30J/ 1K5-P6 1.5 kW 6 POLE 480 280 762 821 483 762 711 12 14 40x6 36 18 920
30J/ 1K5-P4 1.5 kW 4 POLE 450 225
30J/ 2K2-P4 2.2 kW 4 POLE 480
30J/ 3K7-P4 3.7 kW 4 POLE 280
30J/ 5 K5-P4 5.5 kW 4 POLE
38J/ 1K5-P6 1.5 kW 6 POLE 510
38J/ 2K2-P6 2.2 kW 6 POLE 560
38J/ 3K7-P6 3.7 kW 6 POLE 280 36
38J/ 5 K5-P6 5.5 kW 6 POLE
38J/ 5K5-P4 5.5 kW 4 POLE 560 965 1035 597 965 914 16 18 65x6 18 1160
38J/ 7K5-P4 7.5 kW 4 POLE 590
38J/ 11K-P4 11 kW 4 POLE
38J/ 15K-P4 15 kW 4 POLE
38J/ 18K5-P4 18.5 kW 4 POLE 870 48J/ 5K5-P6 5.5 kW 6 POLE 640
48J/ 7K5-P6 7.5 kW 6 POLE 770 305 41
48J/ 11K-P6 11 kW 6 POLE 770
48J/ 15K-P6 15 kW 6 POLE 870
48J/ 18K5-P6 18.5 kW 6 POLE 910 1219 1289 737 1220 1143 20 18 65x6 76 22 1480
48J/ 18K5-P4 18.5 kW 4 POLE 870 500 41
48J/ 22K-P4 22 kW 4 POLE 870
48J/ 30K-P4 30 kW 4 POLE 910
48J/ 37K-P4 37 kW 4 POLE
48J/ 45K-P4 45 kW 4 POLE
60J/ 18K5-P6 18.5 kW 6 POLE 920
60K/ 22K-P6 22 kW 6 POLE 920
60J/ 30K-P6 30 kW 6 POLE 1000 1526 1626 921 1524 1422 24 18 65x8 78
60J/ 37K-P6 37 kW 6 POLE 1060
60J/ 45K-P6 45 kW 6 POLE 60J/ 55K-P6 55 kW 6 POLE
LO N G CASIN G DUCT MO UN TED SHO RT CASIN G WALL MO UN TED
38 0
38 0
40 6
40 6
43 0
52 4
59 0
760 305
1000 76
41
225 610 668 381 610 559 12 14 40x6 36 18 770
225 305 349 203 305 273 8 10 40x6 36 14 440
225 381 425 241 381 343 8 11 40x6 36 14 530
Notes :
[1] All dimensions are in mm subject to tolerence as per IS 2102. [2] Power Supply 415 V 10%, 3 PH, 50 Hz 5%, AC [3] Motor Degree of protection : IP-55
[4] Motor Class of Insulation : 'F' (temp limited to class ' B') [5] Painting Specification - 1 Coat of primer & 1 coat of synthetic enamel paint of colour D. A. Grey
L1
BPCD
AINSIDE
M
A
IRFLOW
C.L.
OFINSP
DOOR
NO OFF WINGS DEPENDS ON FANMODEL
'F' NOS 'G' HOLES EQUISPACED ON
'K' FLANGE. HOLES ON CRS FOR SIZES24J, 30J, 48J & 60J, OFF CENTRES FOROTHER SIZES.
CLOF INSP DOOR
'C'
'E' CRS. 4 NO S 12 HOLES FOR12K-24J FANS
4 NO S 14 HOELS FOR30J-60 J FANS
4 LUGS 12K-30J FAN5 LUGS 38J-48J FAN
'N ' HOLESAT'P' PCD.
' F ' N O S ' G ' H O L E S
E Q U I S P A C E D O N ' K ' F L A N G E .
H O L E S O N C R S F O R S I Z E S 2 4 J -
3 0 J & 4 8 J , O F F C E N T ER S F O R
O T H E R S I Z E S .
NO LEG FOR1 2 K-24J
FANS 4 NOS 14 HOLES
FOR30 J-48J FANS
'D' 'E' CRS.
'D'
'C'
AIR
FLOW
ELEVATIO N VIEW FRO M IMP ELLER END ELEVATIO N
VIEW FRO M IMP ELLER END
M
'A'Inside
'B'PCD
Ta ble 1
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SELECTION CHART STAN DARD AXIAL FLO W FAN
Ta b le 2
Sl. Fa n Mo d el Fa n d ia Mo to r ra tin g Moto r F/ S Free a ir Vo lum e flo w in m 3 / h r a t d ifferen t Sta tic p ressu re in m m w g
No. in m m kw / p o le in rp m m 3/ h r 5 10 15 20 25 30 35 40 50 60 7 0 80 9 0 100 110
1 1 2 K/ K3 7 -P2 3 0 5 0 . 3 7 / 2 2 8 0 0 2 3 0 0 2 0 0 0 1 7 5 0 1 4 0 0
2 1 2 K/ K3 7 -P2 3 0 5 0 . 3 7 / 2 2 8 0 0 3 9 0 0 3 2 0 0 3 0 0 0 2 6 5 0
3 1 2 K/ K5 5 -P2 3 0 5 0 . 5 5 / 2 2 8 0 0 4 4 0 0 3 8 5 0 3 6 5 0 3 3 0 0
4 1 5 J / K3 7 -P4 3 8 1 0 . 3 7 / 4 1 4 4 0 1 7 5 0 1 4 0 0 8 5 0
5 1 5 J / K3 7 -P4 3 8 1 0 . 3 7 / 4 1 4 4 0 4 5 0 0 3 7 0 0 3 1 0 0
6 1 5 J / K5 5 -P2 3 8 1 0 . 5 5 / 2 2 8 5 0 4 5 0 0 4 1 0 0 3 9 0 0 3 7 0 0 3 3 0 0 3 0 0 0 2 6 0 0
7 1 5 J / K7 5 -P2 3 8 1 0 . 7 5 / 2 2 8 5 0 5 6 0 0 5 3 0 0 5 1 0 0 5 0 0 0 4 6 0 0 4 3 0 0 3 7 0 0
8 1 5 J / 1 K1 -P2 3 8 1 1 . 1 / 2 2 8 5 0 7 2 0 0 6 7 0 0 6 5 0 0 6 2 0 0 5 7 0 0 5 4 0 0 5 0 0 0
9 1 5 J / 1 K5 -P2 3 8 1 1 . 5 / 2 2 8 5 0 8 5 0 0 8 0 0 0 7 8 5 0 7 3 0 0 7 1 0 0 6 8 0 0 6 3 0 0
1 0 1 9 J / K3 7 -P4 4 8 3 0 . 3 7 / 4 1 4 4 0 6 7 5 0 6 0 0 0 5 5 0 0 4 4 0 0
1 1 1 9 J / K7 5 -P4 4 8 3 0 . 7 5 / 4 1 4 4 0 8 6 0 0 8 0 0 0 7 5 0 0 6 2 0 0
1 2 1 9 J / 1 K5 -P2 4 8 3 1 . 5 / 2 2 9 0 0 7 5 0 0 6 5 0 0 6 2 0 0 6 0 0 0 5 8 0 0 5 2 0 0 4 5 0 0 3 5 0 0
1 3 1 9 J / 2 K2 -P2 4 8 3 2 . 2 / 2 2 9 0 0 1 1 5 0 0 1 0 0 0 0 9 8 0 0 9 5 0 0 9 0 0 0 8 6 0 0 7 5 0 0 6 5 0 0
1 4 1 9 J / 3 K7 -P2 4 8 3 3 . 7 / 2 2 9 0 0 1 5 3 0 0 1 4 2 0 0 1 3 8 5 0 1 3 6 0 0 1 3 1 0 0 1 2 7 0 0 1 1 7 0 0 1 0 5 0 0
1 5 2 4 J / K3 7 -P6 6 1 0 0 . 3 7 / 6 9 4 0 4 9 0 0 4 0 0 0 2 2 0 0
1 6 2 4 J / K5 5 -P6 6 1 0 0 . 5 5 / 6 9 4 0 1 1 0 0 0 8 7 0 0 8 0 0 0
1 7 2 4 J / K7 5 -P4 6 1 0 0 . 7 5 / 4 1 4 4 0 1 0 0 0 0 9 0 0 0 8 3 0 0 7 0 0 0
1 8 2 4 J / 1 K1 -P4 6 1 0 1 . 1 / 4 1 4 4 0 1 3 5 0 0 1 2 0 0 0 1 0 0 0 0 9 8 0 0
1 9 2 4 J / 1 K5 -P4 6 1 0 1 . 5 / 4 1 4 4 0 1 5 5 0 0 1 3 6 0 0 1 3 0 0 0 1 1 3 0 0
2 0 2 4 J / 2 K2 -P4 6 1 0 2 . 2 / 4 1 4 4 0 1 7 0 0 0 1 6 5 0 0 1 5 5 0 0 1 4 0 0 0
2 1 2 4 K/ 5 K5 -P2 6 1 0 5 . 5 / 2 2 9 5 0 1 9 5 0 0 1 8 0 0 0 1 7 9 0 0 1 7 8 0 0 1 7 1 0 0 1 6 5 0 0 1 5 5 0 0 1 4 5 0 0 1 3 5 0 0 1 2 3 0 0 1 1 0 0 0
2 2 2 4 K/ 7 K5 -P2 6 1 0 7 . 5 / 2 2 9 5 0 2 2 5 0 0 2 1 5 0 0 2 1 2 5 0 2 1 0 0 0 2 0 5 0 0 2 0 0 0 0 1 9 0 0 0 1 8 5 0 0 0 1 7 5 0 0 1 6 0 0 0 1 4 5 0 0
2 3 2 4 K/ 1 1 K-P2 6 1 0 1 1 / 2 2 9 5 0 2 8 5 0 0 2 7 0 0 0 2 6 7 5 0 2 6 5 0 0 2 6 0 0 0 2 5 5 0 0 2 4 5 0 0 2 3 0 0 0 2 2 0 0 0 2 1 0 0 0 2 0 0 0 0
2 4 3 0 J / K5 5 -P6 7 6 2 0 . 5 5 / 6 9 4 0 1 0 5 0 0 9 5 0 0 8 0 0 0 6 0 0 0
2 5 3 0 J / K7 5 -P6 7 6 2 0 . 7 5 / 6 9 4 0 1 5 0 0 0 1 3 5 0 0 1 1 7 5 0 9 0 0 0
2 6 3 0 J / 1 K1 -P6 7 6 2 1 . 1 / 6 9 4 0 1 8 0 0 0 1 7 0 0 0 1 5 0 0 0 1 2 0 0 0
2 7 3 0 J / 1 K5 -P6 7 6 2 1 . 5 / 6 9 4 0 2 1 5 0 0 2 0 0 0 0 1 8 0 0 0 1 5 8 0 0
2 8 3 0 J / 1 K5 -P4 7 6 2 1 . 5 / 4 1 4 5 0 1 4 0 0 0 1 3 0 0 0 1 2 0 0 0 1 1 3 0 0 1 0 2 5 0 9 0 0 0 8 0 0 0
2 9 3 0 J / 2 K2 -P4 7 6 2 2 . 2 / 4 1 4 5 0 1 8 5 0 0 1 7 0 0 0 1 5 8 0 0 1 5 0 0 0 1 4 0 0 0 1 2 8 0 0 1 1 0 0 0
3 0 3 0 J / 3 K7 -P4 7 6 2 3 . 7 / 4 1 4 5 0 2 2 0 0 0 2 0 5 0 0 1 9 8 0 0 1 8 5 0 0 1 7 8 0 0 1 6 5 0 0 1 4 5 0 0
3 1 3 0 J / 5 K5 -P4 7 6 2 5 . 5 / 4 1 4 5 0 3 4 0 0 0 3 2 0 0 0 3 1 0 0 0 2 9 0 0 0 2 7 5 0 0 2 6 0 0 0 2 4 0 0 0
3 2 3 8 J / 1 K5 -P6 9 6 5 1 . 5 / 6 9 6 0 1 9 5 0 0 1 7 0 0 0 1 5 2 5 0 1 3 0 0 0 9 8 0 0
3 3 3 8 J / 2 K2 -P6 9 6 5 2 . 2 / 6 9 6 0 2 5 0 0 0 2 1 5 0 0 1 9 5 0 0 1 8 0 0 0 1 4 8 0 0
3 4 3 8 J / 3 K7 -P6 9 6 5 3 . 7 / 6 9 6 0 3 6 5 0 0 3 3 5 0 0 3 1 5 0 0 2 9 5 0 0 2 6 5 0 0
3
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3 5 3 8 J / 5 K5 -P6 9 6 5 5 . 5 / 6 9 6 0 4 5 0 0 0 4 2 0 0 0 3 9 0 0 0 3 7 0 0 0 3 4 0 0 0
3 6 3 8 J / 5 K5 -P4 9 6 5 5 . 5 / 4 1 4 7 5 3 0 0 0 0 2 6 0 0 0 2 5 0 0 0 2 4 5 0 0 2 3 0 0 0 2 2 0 0 0 1 8 0 0 0 1 5 0 0 0
3 7 3 8 J / 7 K5 -P4 9 6 5 7 . 5 / 4 1 4 7 5 3 9 0 0 0 3 5 0 0 0 3 3 0 0 0 3 2 5 0 0 3 0 5 0 0 3 0 0 0 0 2 6 0 0 0 2 2 0 0 0
3 8 3 8 J / 1 1 K -P4 9 6 5 1 1 / 4 1 4 7 5 4 8 0 0 0 4 6 0 0 0 4 5 0 0 0 4 4 0 0 0 4 2 5 0 0 4 1 0 0 0 3 7 5 0 0 3 2 5 0 0
3 9 3 8 J / 1 5 K -P4 9 6 5 1 5 / 4 1 4 7 5 6 1 0 0 0 5 6 0 0 0 5 4 5 0 0 5 4 0 0 0 5 1 5 0 0 5 1 0 0 0 4 7 0 0 0 4 4 0 0 0
4 0 3 8 J / 1 8 K5 -P4 9 6 5 1 8 . 5 / 4 1 4 7 5 6 8 0 0 0 6 5 0 0 0 6 3 0 0 0 6 2 0 0 0 6 0 0 0 0 5 8 5 0 0 5 4 5 0 0 5 1 0 0 0
4 1 4 8 J / 5 K5 - P6 1 2 1 9 5 . 5 / 6 9 7 5 4 2 0 0 0 3 6 0 0 0 3 4 5 0 0 3 0 5 0 0 2 8 0 0 0 2 2 0 0 0
4 2 4 8 J / 7 K5 - P6 1 2 1 9 7 . 5 / 6 9 7 5 5 5 0 0 0 4 7 0 0 0 4 5 5 0 0 4 3 0 0 0 3 9 0 0 0 3 5 0 0 0
4 3 4 8 J / 1 1 K- P6 1 2 1 9 1 1 / 6 9 7 5 7 2 0 0 0 6 2 0 0 0 5 9 5 0 0 5 7 0 0 0 5 2 5 0 0 5 0 0 0 0
4 4 4 8 J / 1 5 K- P6 1 2 1 9 1 5 / 6 9 7 5 8 3 0 0 0 7 7 0 0 0 7 4 5 0 0 6 9 0 0 0 6 7 5 0 0 6 4 0 0 0
4 5 4 8 J / 1 8 K5 -P6 1 2 1 9 1 8 . 5 / 6 9 7 5 9 0 0 0 0 8 5 0 0 0 8 1 0 0 0 7 5 0 0 0 7 3 0 0 0 7 0 0 0 0
4 6 4 8 J / 1 8 K5 -P4 1 2 1 9 1 8 . 5 / 4 1 4 8 0 6 2 0 0 0 5 0 0 0 0 4 5 0 0 0 4 1 0 0 0 3 8 0 0 0 3 5 0 0 0 2 8 0 0 0
4 7 4 8 J / 2 2 K- P4 1 2 1 9 2 2 / 4 1 4 8 0 7 1 0 0 0 5 9 0 0 0 5 7 0 0 0 5 4 0 0 0 4 9 0 0 0 4 4 0 0 0 3 9 0 0 0
4 8 4 8 J / 3 0 K- P4 1 2 1 9 3 0 / 4 1 4 8 0 9 2 0 0 0 8 0 0 0 0 7 5 0 0 0 7 0 0 0 0 6 8 0 0 0 6 2 0 0 0 5 3 0 0 0
4 9 4 8 J / 3 7 K- P4 1 2 1 9 3 7 / 4 1 4 8 0 1 0 2 0 0 0 8 8 0 0 0 8 4 0 0 0 8 0 0 0 0 7 5 0 0 0 7 1 0 0 0 6 7 0 0 0
5 0 4 8 J / 4 5 K- P4 1 2 1 9 4 5 / 4 1 4 8 0 1 5 0 0 0 0 1 0 2 0 0 0 9 8 0 0 0 9 5 0 0 0 9 0 0 0 0 8 5 0 0 0 7 8 0 0 0
5 1 6 0 J / 1 8 K5 -P6 1 5 2 4 1 8 . 5 / 6 9 7 5 5 0 0 0 0 4 0 0 0 0
5 2 6 0 J / 2 2 K- P6 1 5 2 4 2 2 / 6 9 7 5 6 2 0 0 0 5 0 0 0 0
5 3 6 0 J / 3 0 K- P6 1 5 2 4 3 0 / 6 9 7 5 8 5 0 0 0 6 9 0 0 0
5 4 6 0 J / 3 7 K- P6 1 5 2 4 3 7 / 6 9 7 5 1 0 0 0 0 0 9 0 0 0 0
5 5 6 0 J / 4 5 K- P6 1 5 2 4 4 5 / 6 9 7 5 1 2 4 0 0 0 1 0 8 0 0 0
5 6 6 0 J / 5 5 K- P6 1 5 2 4 5 5 / 6 9 7 5 1 3 9 0 0 0 1 2 7 0 0 0
5 7 7 5 J1 / 2 / 3 0 K -P6 1 9 0 5 3 0 / 6 9 7 5 1 1 0 0 0 0 9 3 0 0 0 8 0 0 0 0 5 0 0 0 0
5 8 7 5 J1 / 2 / 3 7 K -P6 1 9 0 5 3 7 / 6 9 7 5 1 3 0 0 0 0 1 1 5 0 0 0 1 0 0 0 0 0 6 0 0 0 0
5 9 7 5 J1 / 2 / 5 5 K -P6 1 9 0 5 5 5 / 6 9 7 5 1 8 0 0 0 0 1 6 5 0 0 0 1 5 0 0 0 0 1 3 0 0 0 0
6 0 7 5 J / 2 / 7 5 K- P6 1 9 0 5 7 5 / 6 9 7 5 2 1 8 0 0 0 2 0 8 0 0 0 1 8 8 0 0 0 1 6 8 0 0 0
6 1 7 5 J / 5 5 K- P6 1 9 0 5 5 5 / 6 9 7 5 1 0 5 0 0 0 9 5 0 0 0 8 5 0 0 0
6 2 7 5 J / 7 5 K- P6 1 9 0 5 7 5 / 6 9 7 5 1 4 0 0 0 0 1 1 5 0 0 0 9 5 0 0 0
NOTE :
1 . Fa n s le ctio n is b a se d on a i r a t 2 0 C and density 1.2 kg/ m3
2 . Fa n p e r fo rma n c e a n d to le ra n ce a s p e r IS 3 5 8 8 1 9 8 7 .
3. For selection of Fans in other solidity (no of bla des), or in intermed iate performa nce point please refer to Regiona l/ Bran ch Offices or Factory
Sl. Fa n Mod el Fa n d ia Moto r ra ting Mo to r F/ S Free a ir Vo lum e flo w in m 3 / h r a t d ifferen t Sta tic p ressu re in m m w g
No . in m m kw / p o le in rp m m 3/ h r 5 10 15 20 25 30 35 40 50 60 7 0 80 9 0 100 110
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Features
MARATHON Electric offers wide range
of Centrifugal Fans with highly efficient
impellers of type Backward Inclined,
Backward Curved, Aerofoiled, ForwardCurved and Straight Radial, depending
upon application.
MARATHON Electric Centrifuga l Fans
are suitable for air delivery upto
30 0,0 00 M3/ Hr and Sta tic Pressure
upto 800 MM WG. Fans are available
both in single inlet single width (SISW)
and in double inlet double width
(DIDW) versions.
Construction :
Centrifugal Fans are usually made of
mild steel (IS 1079/ 2062) rigid casing
with Inspection window and drain plug.
The impeller is mounted on C-40 (IS
CENTRIFUGAL FAN 1570) shaft. Double Row Ball/ Sphericalroller Bearings are used for smooth
operation. Fans are either belt driven
or direct coupled. Direct driven Fans,
with Impeller mounted directly on motor
shaft, are also available.
s Standard Fans are painted with
synthetic enamel paint.s Other than mild steel, fans are
offered in Stainless Steel and
Aluminium Construction also,
depending on application need.
s For High temperature (from 100C
to 350C) application, Aluminium
cooling disc is provided and the
fan is painted with Heat Resistant
Aluminium Paint.
Special features
Following Special Features are
provided depending application need.
s Spark Proof Construction.
s FRP Coating.
s Zinc Sprayed.
s Epoxy Paint.
s Chlorinated rubber paint.
Following optional acessories are also
available.
s Common base frame for Fan and
Motor.
s V-belt drive set.
s Belt guard.
s Motor slide rail
s Foundation bolt
s Filter
s Filter frame with adapter cone.
s Inlet and outlet flexible connection.
s Inlet box
s Inlet and outlet dampers
s Antivibration mounting.
Backward inclind Backward curved
Radial
Backplate pa ddleAerofoil
Radial tipped
LG 90
LG 270LG 0 LG 45
%
P
Ps
Fanstaticp
ressurePs
ImprellerPowerP
Fanefficiency
%
Discharge Rotation :
Fans are available in different discharge angles from 0
to 315 both in left hand and right hand rotation viewing
from motor end with motor position a s X, Y, W & Z.
Volum e Flow
LG 315
Z
Y X
W
Fan
Reverse the rotation is RD
Motor pos ition
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Arrangement 1
Single inlet pedestal
For belt drive. Impeller
overhung. Two bearings on full-
depth pedestal.
Arrangement 3
Single inlet bearer bar
For belt drive. One bearing on
each side of casing, supported
by bearer bars.
Arrangement 4
Single inlet direct drive and stool
For direct drive. Impeller overhung on
motor shaft. No bearings on fan. Motor
feet supported by full-depth pedestal.
Arrangement 6
Double inlet bearer bar
Double inlet, double width fan for
belt drive. One bearing in each inlet,
supported by bearer bars.
Arrangement 7
Single inlet coupling
For coupling drive. Generally as
arrangement 1 but pedestal extended
to receive motor.
Arrangement :
Fans are manufactured in five different drive arrangements depending upon application.
Other p roducts
Pedestal Man cooler
size 19" to 36"
Bracket Man cooler
size 19" to 36"
Tubu lar Ma n cooler
size 19" to 48"
Propeller Fan GPN
size 12" to 18"
Prop eller Fa n BVN/ BVA
size 18" to 36"
Pedestal Air circulators
size 24"
Bracket Air Circulator
size 24" to 30"
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MEMI/CAT/AFFCFF/1108/02
ReplacesRMGFETC003.C.01/2008
Specia lized custom b uilt motors Specia lists in short cycle deliveries
Mara thon Electric Motors (Ind ia) Ltd. Registered & Head Office: 58 , Tara tala Road, Kolkata - 70 00 24 . LT Motor & Fan Factory, Paha rpur Works, 58 ,
Tara tala Roa d, Kolkata - 7 00 02 4, Fax: 2 46 9 53 69 / 85 30 , Phone : 09 90 39 00 80 1. Larg e LT Motor & HT Motor Factory, AEI Works 1, Tara tala Roa d,
Kolkata- 70 002 4. Marathon Regional Offices:New Delhi:70 8, Eros Building, 56, Nehru Place; Tel: 011 416 0 71 23 , 093 132 904 02. Chandigarh:
Chamber No. 8 a, 2 Floor, Sco No. 24 41-42 , Sector 22 -C; Tel: 093 161 024 51. Mumbai:11 4 Na vneelam, R.G. Thad ani Ma rg, Worli; Tel: 02 2 32 65
9844, 09322645753, Fax: 022 3040 1555. Pune: 41/ 14, Office Club Swaroop Complex Karve Road; Tel: 020 254 6 3 978 , 09 371 025 388 . Ahmedabad:
415 / Platinum Plaza , Nr. Pushkar Tower, Judge-bunglow-bodakdev Road ; Tel: 07 9 256 0 2 297 , 09 32 704 85 67. Nagpur: 1 Floor, Block A, Tha pa r
Enclave, Plot No. 148, Ramda speth; Tel: 0712 252 6 22 0, 09 373 283 527 . Raipur: 1 Floor, 14 1, Sunderna ga r, Nea r Ada rsh Chowk; Tel: 07 71 22 10
240. 09329128913. Chennai : Door No. 9, Fla t No. 7, 1 Floor, Thiru. Vi. Ka . Roa d, Royapettah, (opp , Sathyam Thea tre), Tel: 04 4 43 51 01 52 ,
0938210 2392, Fax: 044 4351 0153. Secunderabad: Cabin No. 47, 3 03, Swapnalok Complex, 92, S. D. Road; Tel: 040 278 1 2 724, 093 9134 061 9.
Bangalore : C1-101 , White House, 15 Cross, 6 Main R. T. Nag ar; Tel: 08 0 26 55 8 72 9, 09 34 12 79 42 9. Bhubaneswa r : C/ o. Plot No. 16 -b, Engineers
Colony, Old Station Baza r; Tel: 0674 231 374 4, 09 338 212 907 . Jamsbedpur: C/ o. Mr. D. P. Gho sh, House No . 7 , Bidyasag ar Path, Uliyan, Kad ma;
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