Used in emergency air extract systems and are designed for mechanical removal of smoke, hot gases and withdrawal of heat outside of the serviced premise in case of fire. Recommended for use in industrial, public, residential, administrative and other premises.

1. SOUND-INSULATEDFANS
Tower-S
Roof-mounted centrifugal fan for smoke removal
Use
Used in emergency air extract systems
and are designed for mechanical removal
of smoke, hot gases and withdrawal of
heat outside of the serviced premise in
case of fire.
Recommended for use in industrial,
public, residential, administrative and
other premises.
Transported
air temperature:
600 °C within 2 h
Air flow:
up to 105 000 m³/h
Design
The fan is made of polymer coated heat resistant steel that enables its
outdoor application and resistance to aggressive media .
The roof - mounted smoke removal fan models are available with hori-
zontal air discharge (Tower-SH models) and vertical air discharge
(Tower-SV models).
The fan with vertical air discharge is equipped with a backdraft damper.
The protecting grille prevents accidental contact and ingress of foreign
objects.
Diameter range: 630-1100 mm.
Operation
The fan is rated for removal of smoke and air mixtures up to + 600 °C
within 120 minutes. The fan is allowed to use for general exhaust venti-
lation if the minimum rotation speed is equal to 25% of the maximum
air capacity. The fan is designed for operation in moderate and tropical
climatic areas.
Motor
The fan is equipped with a three-phase electric motor rated for
connection to 400 V power mains.
The motor is installed in a heat insulated section and is placed off the
transported air flow.
The impeller with backward curved blades is made of galvanized steel.
Mounting
The fan is suitable for installation on any roof type. Sufficient service
access must be provided for the fan maintenance.
Accessory
Mounting frame MRDL. The mounting frame is designed for mounting of
the fan on a flat roof.
Designation key
Series Air discharge direction Impeller diameter [mm] Installed power capacity [kW] / Rotation speed (RPM) [min−1]
TOWER-S V: vertical
H: horizontal
630; 710; 800; 900; 1000; 1100 1.5; 2.2; 3; 4; 5.5; 7.5; 11; 15;
18.5; 22; 30; 37
720; 730; 930; 940; 950; 960;
970; 980; 1440; 1450; 1455;
1460; 1470
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2018 | INDUSTRIAL VENTILATION

2. SOUND-INSULATEDFANS
Overall dimensions
Model Ø D Ø D1 Ø d Ø d1 n H L L1 L2 L3
MRDL mounting
frame compatibility
Tower-SV 630
541 507 18 9.5 12 1052 1040 880
1508
1178 MRDL 630
Tower-SH 630 1238
Tower-SV 710
674 639 18 11.5 16 1101 1040 880
1508
1508
MRDL 710-800
Tower-SH 710 1238
Tower-SV 800
674 639 18 11.5 16 1154 1040 880
1543
1543
Tower-SH 800 1238
Tower-SV 900
751 716 18 11.5 16 1405 1200 1040
1870
1870 MRDL 900
Tower-SH 900 1398
Tower-SV 1000
837 802 22 11.5 24 1588 1430 1240
2105
2105
MRDL 1000-1100
Tower-SH 1000 1628
Tower-SV 1100
934 898 22 11.5 24 1736 1430 1240
2237
2237
Tower-SH 1100 1628
MRDL mounting frame overall dimensions
Model A B C L H
Weight
[kg]
MRDL 630 750 1212 915 850 600 64
MRDL 710-800 840 1262 965 900 600 66
MRDL 900 1050 1512 1215 1150 650 84
MRDL 1000-1100 1240 1712 1415 1350 730 100
L1
D d
4 holes
d1
n holes
L
H
D1
30
L3
L2
Tower-SH
H
L2
D1
L3
Tower-SV
30
H
30
4 holes
B
C
L
A
3INDUSTRIAL VENTILATION | 2018
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3. SOUND-INSULATEDFANS
Technical data
Parameters
Tower-SV/SH
630 1.5/930
Tower-SV/SH
630 2.2/940
Tower-SV/SH
630 3.0/960
Tower-SV/SH
630 4.0/1440
Tower-SV/SH
630 5.5/1450
Tower-SV/SH
630 7.5/1440
Voltage [V] 3~ 400 3~ 400 3~ 400 3~ 400 3~ 400 3~ 400
Frequency [Hz] 50 50 50 50 50 50
Installed power capacity Ny [kW] 1.5 2.2 3.0 4.0 5.5 7.5
Rated current [A] 3.7 5.6 7.4 8.8 11.3 15.5
RPM [min⁻¹] 930 940 960 1440 1450 1440
Max. transported air temperature [°C] * 600 600 600 600 600 600
Motor ingress protection rating IP54 IP54 IP54 IP54 IP54 IP54
Weight [kg] 135 140 155 155 163 166
Curve number at the diagram      
Ps,[Pa]
(600°С)
Ps,[Pa]
(400°С)
Ps,[Pa]
(20°С)
Q [m3
/h]
1000
900
800
700
600
500
400
300
200
100
2500
2000
1500
1000
500
00
800
700
600
500
400
300
200
100
0
5000 25000
37%
46%
54%
65%
60%
70%
60%
50%
min -1
2060
6
5
4
3
2
1
1985
1750
1570
1445
1160
1020
930
78
81
84
87
90
93
96
LW5dB(A)
1285
70%
72%
73%
73%
73%
74%
200001500010000
1.5kW
2.2kW
3.0kW
4.0kW
5.5kW
7.5kW
* within 120 minutes
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2018 | INDUSTRIAL VENTILATION

4. SOUND-INSULATEDFANS
Technical data
Parameters
Tower-SV/SH
710 2.2/940
Tower-SV/SH
710 3/960
Tower-SV/SH
710 4/950
Tower-SV/SH
710 5.5/960
Tower-SV/SH
710 7.5/1455
Tower-SV/SH
710 11/1460
Voltage [V] 3~ 400 3~ 400 3~ 400 3~ 400 3~ 400 3~ 400
Frequency [Hz] 50 50 50 50 50 50
Installed power capacity Ny [kW] 2.2 3.0 4.0 5.5 7.5 11.0
Rated current [A] 5.3 7.4 8.4 11.2 15.1 21.2
RPM [min⁻¹] 940 960 950 960 1455 1460
Max. transported air temperature [°C] * 600 600 600 600 600 600
Motor ingress protection rating IP54 IP54 IP54 IP54 IP54 IP54
Weight [kg] 201 215 221 229 236 254
Curve number at the diagram      
Ps,[Pa]
(600°С)
Ps,[Pa]
(400°С)
Ps,[Pa]
(20°С)
Q [m3
/h]
1000
1100
900
800
700
600
500
400
300
200
100
2500
2000
1500
1000
500
00
800
700
600
500
400
300
200
100
0
5000 25000 3500030000200001500010000
60%
65%
70%
72%
73%
73%
73%
70%
60%
74%
54%
46%
37%
50%
min -1
6
5
4
3
2
1
97
94
91
88
85
LW5dB(A)
1055
1060
1290
1455
1630
1800
1840
950
2.2kW
3.0kW
4.0kW
5.5kW
7.5kW
11.0kW
* within 120 minutes
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5. SOUND-INSULATEDFANS
Technical data
Parameters
Tower-SV/SH
800 4/960
Tower-SV/SH
800 5.5/950
Tower-SV/SH
800 7.5/970
Tower-SV/SH
800 11/960
Tower-SV/SH
800 15/1460
Tower-SV/SH
800 18.5/1470
Voltage [V] 3~ 400 3~ 400 3~ 400 3~ 400 3~ 400 3~ 400
Frequency [Hz] 50 50 50 50 50 50
Installed power capacity Ny [kW] 4.0 5.5 7.5 11.0 15.0 18.5
Rated current [A] 9.2 12.3 15.7 21.2 29.5 36.4
RPM [min⁻¹] 960 950 970 960 1460 1470
Max. transported air temperature [°C] * 600 600 600 600 600 600
Motor ingress protection rating IP54 IP54 IP54 IP54 IP54 IP54
Weight [kg] 268 276 302 323 333 370
Curve number at the diagram      
Ps,[Pa]
(600°С)
Ps,[Pa]
(400°С)
Ps,[Pa]
(20°С)
Q [m3
/h]
1000
900
800
700
600
500
400
300
200
100
2500
2000
1500
1000
500
00
800
700
600
500
400
300
200
100
0
5000040000300002000010000
min -1
955
1060
1170
1330
1480
1585
1620
37%
46%
54%
60%
65%
70%
72%
73%
73%
73%
74%
70%
60%
50%
5
6
4
3
2
1
4.0kW
5.5kW
7.5kW
11.0kW
15.0kW
18.5kW
LW5dB(A)
94
91
88
85
97
* within 120 minutes
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2018 | INDUSTRIAL VENTILATION

6. SOUND-INSULATEDFANS
Technical data
Parameters
Tower-SV/SH
900 4/720
Tower-SV/SH
900 5.5/960
Tower-SV/SH
900 7.5/970
Tower-SV/SH
900 11/970
Tower-SV/SH
900 15/960
Tower-SV/SH
900 18.5/960
Tower-SV/SH
900 22/960
Voltage [V] 3~ 400 3~ 400 3~ 400 3~ 400 3~ 400 3~ 400 3~ 400
Frequency [Hz] 50 50 50 50 50 50 50
Installed power capacity Ny [kW] 4.0 5.5 7.5 11.0 15.0 18.5 22,0
Rated current [A] 10.0 12.3 15.7 23 31.0 36.4 44
RPM [min⁻¹] 720 960 970 970 960 960 960
Max. transported air temperature [°C] * 600 600 600 600 600 600 600
Motor ingress protection rating IP54 IP54 IP54 IP54 IP54 IP54 IP54
Weight [kg] 376 386 386 407 466 513 523
Curve number at the diagram       
Ps,[Pa]
(600°С)
Ps,[Pa]
(400°С)
Ps,[Pa]
(20°С)
Q [m3
/h]
1000
1100
900
800
700
600
500
400
300
200
100
2500
2000
1500
1000
500
00
800
700
600
500
400
300
200
100
0
600005000040000300002000010000
min -1
LW5dB(A)
5
6
7
4
3
2
1
83
86
89
92
96
98
4.0kW
7.5kW
11.0kW
15.0kW
18.5kW
22.0kW
5.5kW
710
780
865
965
1090
1210
1310
1380
1475
50%
60%
60%
54%
46%
37%
65%
70%
70%
73%
73%
73%
72%
74%
* within 120 minutes
7INDUSTRIAL VENTILATION | 2018
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7. SOUND-INSULATEDFANS
Technical data
Parameters
Tower-SV/SH
1000 5.5/720
Tower-SV/SH
1000 7.5/730
Tower-SV/SH
1000 11/970
Tower-SV/SH
1000 15/970
Tower-SV/SH
1000 18.5/970
Tower-SV/SH
1000 22/970
Tower-SV/SH
1000 30/970
Voltage [V] 3~ 400 3~ 400 3~ 400 3~ 400 3~ 400 3~ 400 3~ 400
Frequency [Hz] 50 50 50 50 50 50 50
Installed power capacity Ny [kW] 5.5 7.5 11.0 15.0 18.5 22.0 30.0
Rated current [A] 13.6 18 23.0 31.0 36.5 44.6 59.6
RPM [min⁻¹] 720 730 970 970 970 970 970
Max. transported air temperature [°C] * 600 600 600 600 600 600 600
Motor ingress protection rating IP54 IP54 IP54 IP54 IP54 IP54 IP54
Weight [kg] 458 477 537 540 585 595 668
Curve number at the diagram       
Ps,[Pa]
(600°С)
Ps,[Pa]
(400°С)
Ps,[Pa]
(20°С)
Q [m3
/h]
1000
900
800
700
600
500
400
300
200
100
2500
2000
1500
1000
500
00
800
700
600
500
400
300
200
100
0
70000600005000040000300002000010000
7
6
5
4
3
2
1
min -1
86
89
92
95
98
18.5kW
1280
1255
1135
1070
1000
900
790
730
50%
60%
70%
LW5dB(A)
7.5kW
11.0kW
15.0kW
22.0kW
30.0kW
5.5kW
73%
73%
73%
74%
65%
70%
72%
70%
54%
46%
37%
* within 120 minutes
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2018 | INDUSTRIAL VENTILATION

8. SOUND-INSULATEDFANS
Technical data
Parameters
Tower-SV/SH
1100 11/730
Tower-SV/SH
1100 15/730
Tower-SV/SH
1100 18.5/970
Tower-SV/SH
1100 22/970
Tower-SV/SH
1100 30/970
Tower-SV/SH
1100 37/980
Voltage [V] 3~ 400 3~ 400 3~ 400 3~ 400 3~ 400 3~ 400
Frequency [Hz] 50 50 50 50 50 50
Installed power capacity Ny [kW] 11,0 15,0 18,5 22,0 30,0 37,0
Rated current [A] 25,1 32,3 36,5 44,6 59,6 70,0
RPM [min⁻¹] 730 730 970 970 970 980
Max. transported air temperature [°C] * 600 600 600 600 600 600
Motor ingress protection rating IP54 IP54 IP54 IP54 IP54 IP54
Weight [kg] 833 836 901 921 941 990
Curve number at the diagram      
Ps,[Pa]
(600°С)
Ps,[Pa]
(400°С)
Ps,[Pa]
(20°С)
Q [m3
/h]
1000
900
800
700
600
500
400
300
200
100
2500
2000
1500
1000
500
00
800
700
600
500
400
300
200
100
0
80000 100000600004000020000
18.5kW
15.0kW
22.0kW
30.0kW
37.0kW
min -1
99
969390
87
LW5dB(A)
74%
37%
46%
54%
60%
65%
70%
72%
73%
73%
73%
50%
60%
70%
1120
1050
980
880
835
775
715
11.0kW
6
5
4
3
2
1
* within 120 minutes
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9. ELECTRICALACCESSORIES
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