Fans and Blowers

Secomak Fans, Blowers and  Exhausters

Direct Drive Centrifugal Fans and Blowers

The Secomak range of direct drive centrifugal fans and blowers are designed to provide high volume air flow up to 2200m³/hr. The fans are designed to easily integrate into any current system, but are especially suited to the Secomak range of air process heaters if a high volume of hot air is required. Use the tables and performance curves provided to identify the correct model number for your requirements, or contact one of our technical sales team on +44 (0)20 8732 1300 or email

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513 Direct Drive Fan

Model Number
513/107
513/103
Max Volume
(cu.m/hr)
500 500
Max. Pressure
(in. w.g.)
4 4
Motor (kW) 0.37 0.37
Phase 3 1
Max. Running Current (A) 1.0 2.5
Max. Inlet Air Temp. (°C) 300 300
Weight (kg) 12 13
Noise dB(A)* 73 73
Secomak 513 Direct Drive Fan Performance Curve
Model Number
573
573/102
Max Volume
(cu.m/hr)
130 130
Max. Pressure
(in. w.g.)
2.2 2.2
Motor (kW) 0.18 0.18
Phase 1 1
Max. Running Current (A) 1.0 1.0
Max. Inlet Air Temp. (°C) 40 300
Weight (kg) 6 8
Noise dB(A)* 62 62
Secomak 573 Direct Drive Fan


574 Direct Drive Fan

Model Number
574
574/108 574/101
Max Volume
(cu.m/hr)
420 420 420
Max. Pressure
(in. w.g.)
2.8 2.8 2.8
Motor (kW) 0.18 0.18 0.18
Phase 3 3 1
Max. Running Current (A) 1.0 1.1 1.0
Max. Inlet Air Temp. (°C) 40 40 300
Weight (kg) 8 9 9
Noise dB(A)* 65 65 65
Secomak 574 Direct Drive Fan Performance Curve

Click the picture to enlarge



669 Direct Drive Fan

Model Number
669
669 669SO 669SO
Max Volume
(cu.m/hr)
750 750 750 750
Max. Pressure
(in. w.g.)
6.8 6.8 6.8 6.8
Motor (kW) 0.55 0.55 0.55 0.55
Phase 1 3 1 3
Max. Running Current (A) 3.5 1.5 3.5 1.5
Max. Inlet Air Temp. (°C) 40 300 40 300
Weight (kg) 13.5 13.5 14 14
Noise dB(A)* 71 71 71 71
Secomak 669 Direct Drive Fan Performance Curve

Click the picture to enlarge



643 Direct Drive Fan

Model Number
643
643/SO
Max Volume
(cu.m/hr)
2200 2200
Max. Pressure
(in. w.g.)
6.8 6.8
Motor (kW) 2.2 2.2
Phase 3 3
Max. Running Current (A) 4.6 4.6
Max. Inlet Air Temp. (°C) 40 300
Weight (kg) 34 34
Noise dB(A)* 88 88
Secomak 643 Direct Drive Fan Performance Curve


*Noise levels have been measured at a distance of 1m from the blower, which was fitted with a ducted outlet. In some modes of use, these fans may generate high noise levels. It will be necessary to carry out a noise survey after installation.