RADIAL CURVED CENTRIFUGAL FAN
CKAT Series
Range of single inlet direct drive centrifugal
fans designed for continuous extraction of air
80°C
Continuous
O P E R A TION
stream up to 80ºC.
Casings are manufactured from lockform seam
sheet steel up to model 631. For larger sizes,
electro-welded sheet steel. Casings are protected by grey colour, epoxy-polyester paint coating.
All models incorporate high pressure radial
centrifugal impellers manufactured from
electro-welded sheet steel and protected
by a cold galvanizing process.
Wide range of accessories to ease the
installation.
Available with three phase 2 pole motors.
Motors
All motors are IP55, class F.
Electrical supply:
Three-phase 230/400V-50Hz up to 3kW
and 400V-50Hz for higher motor powers.
Additional Information
The scroll can be orientated in 8 different
positions as per the table below.
Standard supplied position: LG 270.
On request
-Fan supplied in RD positions.
-Scroll drain hole.
-Stainless steel versions (AISI 304 or AISI 316).
- All the fan or only the scroll and the impeller).
Radial centrifugal impeller
(Positive blades)
-High temperature versions, up to 250ºC
(HT versions).
-Explosion proof versions.
-Fan for 60Hz application.
-Fan fitted with 2-speed motor.
CKAT
-Belt driven versions (models from 560 to 900).
-Motor with PTC thermal protection.
-High efficiency motors (EFF1).
P
P
L
I
C
A
T
I
O
N
S
Explosion proof versions in accordance to
ATEX Directive, for three phase models:
- Increase safety II2G EExeIIT3
80°C
Industrial
aspiration
machinery
Car industry/
Furnace
ventilation
Dust
transport
P
O
S
I
T
I
O
N
Continuous
o perat i o n
S
- Flame proof EExdIIBT5 or
EExdIICT4
- Dusty surrounding
Ex II3D 125ºC or 135ºC, with Dust Ignition Proof motor.
Working temperature up to 40ºC.
Radial centrifugal fans
A
Standard supplied position: LG270.
Special versions are supplied under request.
161
Technical characteristics
Before intstallation check that product electrical characteristics listed on the data plate label (Voltage, power, frequency etc) match those of the intended electrical supply.
Explosion proof of types only work at an ambient temperature between -30ºC and +40ºC.
Radial centrifugal fans
CKAT
Model
162
Speed
Motor
power
(r.p.m.)
(kW)
Maximum
absorbed
current 400V
(A)
Maximum
airflow
(m3/h)
Sound
pressure
level
(dB(A))
Weight
(Kg)
CKAT/2-351 0,37
2840
0,37
1,00
290
69
34
CKAT/2-351 0,55
2830
0,55
1,35
540
70
34
CKAT/2-401 0,75
2870
0,75
1,80
610
72
34
CKAT/2-451 0,75
2870
0,75
1,80
330
73
43
CKAT/2-451 1,1
2850
1,1
2,50
690
74
44
CKAT/2-501 1,5
2870
1,5
3,35
690
76
45
CKAT/2-561 1,5
2870
1,5
3,35
400
77
62
CKAT/2-561 2,2
2880
2,2
4,40
760
78
65
CKAT/2-631 3
2900
3
5,95
830
79
72
CKAT/2-712 4
2850
4
7,40
940
82
105
CKAT/2-711 4
2850
4
CKAT/2-711 5,5
2855
5,5
7,40
610
82
106
10,50
1.080
83
123
CKAT/2-801 5,5
2855
5,5
10,50
680
84
149
CKAT/2-801 7,5
2855
7,5
13,90
930
85
157
CKAT/2-801 9,2
2945
9,2
17,10
1.330
86
162
CKAT/2-901 9,2
2945
9,2
17,10
1.080
87
174
CKAT/2-901 11
2915
11
20,50
1.510
87
240
CKAT/2-901 15
2900
15
27,00
2.160
88
245
Performance curves
mmWG
AT THE INLET
Pa
mmWG
AT THE DISCHARGE
Radial centrifugal fans
Pa
CKAT
- Fan ducted on both inlet and outlet sides.
- Air volume in, m3/h.
- Static pressure in mmWG and Pa.
163
Dimensions (mm)
4 holes Ø10
4 holes Ø9
8 holes Ø11
POSITIONS
Radial centrifugal fans
CKAT
H1
164
H2
H
Standard supplied position: LG270.
Special versions are supplied on request.
Model
A
B
C
E
F
G
H
H1 H2 I
L
M
N
O
P
Q
d
CKAT 351 560 510 290 220 250 45 300 300 250 38 190
235 215 125 50 15 10
CKAT 401 560 510 315 220 250 45 300 300 250 38 190 235 215 125 50 15 10
CKAT 451 670 635 315 280 300 45 355 355 300 38 190 235 215 125 50 15 10
CKAT 501 670 635 345 280 300 45 355 355 300 38 215 270 245 137 60 18 10
CKAT/2-561 1,5
800
735
355
330
355
50
425
425
355
42
215
270
245
137
60
18
10
CKAT/2-561 2,2
800
735
375
330
355
50
425
425
355
42
215
270
245
137
60
18
10
CKAT 631
800 735 425 330 355 50 425 425 355 42 260 335 300 200 35 25 12
CKAT 712 890
825 460 380 400 50 475 475 400 42 260 335 300 200 35 25 12
CKAT/2-711 4 890
825
460
380
400
50
475
475
400
42
260
335
300
200
35
25
12
CKAT/2-711 5,5 890
825
505
380
400
50
475
475
400
42
320
392
360
250
45
25
12
CKAT/2-801 5,5 995
925
505
430
450
50
530
530
450
42
320
392
360
250
45
25
12
CKAT/2-801 7,5 995
925
505
430
450
50
530
530
450
42
320
392
360
250
45
25
12
CKAT/2-801 9,2 995
925
550
430
450
50
530
530
450
42
320
392
360
250
45
25
12
CKAT/2-901 9,2 1180 1100
570
520
530
58
630
630
530
48
320
392
360
250
45
25
12
CKAT/2-901 11 1180 1100
650
520
530
58
630
630
530
48
425
440
400
340
55
30
14
CKAT/2-901 15
1180 1100
650
520
530
58
630
630
530
48
425
440
400
340
55
30
14
Model CKAT 351 D
D1 D2 a
b
a1 b1 a2 b2
145 182 215 90 63 112 90 150 123
CKAT 401 145 182 215 90 63 112 90 150 123
CKAT 451 145 182 215 90 63 112 90 150 123
CKAT 501 145 182 215 90 63 112 90 150 123
CKAT 561 165 200 235 100 71 125 100 160 131
CKAT 631 165 200 235 100 71 125 100 160 131
CKAT 712-711 165 200 235 100 71 125 100 160 131
CKAT 801 165 200 235 100 71 125 100 160 131
CKAT 901 185 219 255 112 80 140 112 172 140
Accessories
For more information see "Mounting accessories".
351-401 451-501 561-631 712-711 ➀
➁
Inlet guard Inlet flange ➂
KRDA-140 KRBA-140 KRBD-140 KRDA-160 KRBA-160 KRBD-160 ➃
➄
➅
Inlet sound
attenuator
Outlet flange KREA-140 KRTA-140/140
KRBR-90x63 KRED-90x63 KRBI-90x63 KRTI-90x63/140
KREA-160 KRTA-160/160
KRBR-100x71 KRED-100x71 KRBI-100x71 KRTI-100x71/160
Double Circular flexible connection flange connector
➆
➇
Rectangular Rectangular/circular flexible connector connection flange ➈
Outlet sound
attenuator
801 KRDA-160 KRBA-160 KRBD-160 KREA-160 KRTA-160/200
KRBR-100x71 KRED-100x71 KRBI-100x71 KRTI-100x71/200
901 KRDA-180 KRBA-180 KRBD-180 KREA-180 KRTA-180/250
KRBR-112x80 KRED-112x80 KRBI-112x80 KRTI-112x80/250
KRBA
KRBD
KREA
KRTA
KRBR
KRED
KRBI
KRDA
KRTI
CKAT
CKAT Radial centrifugal fans
165