The BSB series is SISW centrifugal fans with high efficiency non overloading backward curved impellers.
The fans are suitable for supply or exhaust applications in commercial and industrial buildings.
Sizes of this series are in accordance with AMCA standard 99-0098-76 and DIN 323 R20.
Each fan type has its maximum operating speed and power due to its mechanical design. The operating limit of BSB series - fan type is design
to meet the requirement of class I, II and III limit as defined in AMCA standard 99-2408-69. The BSB series is available in type C, T, X, Z or U.