BS - High Pressure Inline Fans



The New BS units are constructed to the highest manufacturing standards and developed around a rigid anodised aluminium extruded frame. Panels are manufactured from prime quality galvanised or plastisol sheet steel, fixed to the frame, ensuring a robust casing, for those tough site conditions.

Fan & Motor Assembly

Units are forward curved, double inlet double width centrifugal impellers, belt driven by totally enclosed fan ventilated motors, wound to suit 220-240V/1/50Hz or 380-415V/3/50Hz electrical supply, with special voltage motors available on request.

The fan and motors are assembled on a rigid angle iron framework, fitted with anti-vibration mounts and a flexible connection between the unit casing and frame to ensure vibration free operation.

The motors are protected to IP55, against dust and water jets complying with BS EN 60529. With motor insulation Class F as a minimum, suitable for operating temperatures up to +55°C. All belt driven fans have metric pulleys to ISO 4183 and wedge belts to ISO 4184 and DIN 7753.

Protection of the motor is provided by a current overload protection switch such as a D.O.L. starter or equivalent which is required on all installations or the product guarantee will be invalidated.


Size A B C D E F G H J K
BS1F22 720 660 960 640 580 625 840 288 264 186
BS2F31 1020 960 1260 940 880 925 1140 404 308 278
BS3F40 1020 1260 1560 940 1180 1225 1440 507 339 376
BS4F50 1320 1560 1560 1240 1480 1525 1440 638 389 461


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