Sizes of this series are in accordance with AMCA standard 99-0098-76 and DIN323R20.
Each fan type has its maximum operating speed and power due to its mechanical design. The operating limit of BSP series is adjusted to meet the requirement of class I limit as defined in AMCA standard 99-2408-69.
Foot-mounted motor (B3), IP55, Class F insulation
1 speed motor are speed controllable.
The wheel of BSP series has backward curved blades manufactured in cold rolled sheet steel with polyester powder coating finish.
For all sizes except 1250 and above, the housing is manufactured in galvanized sheet steel with the housing fixed to the side plates in ﾓpittsburg lockﾔ form system.
Housing for 1250 and 1400 are manufactured in mild steel finished with polyester powder coating.
The frame is manufactured with galvanized angular bars for type ﾓCﾔ.
For type ﾓTﾔ, they are manufactured with sections of steel and finished with polyester powder coating.
Type C (models from 315 to 630)
This type has a frame fitted on both sides of the fan which gives better strength and rigidity. It allows mounting in four different orientations, either CW or CCW rotation.
Type T (models from 710 to 1400)
2 speed motors.
Inspection door and drain hole.