BDB 离心双进风后弯离心风机.pdf

BDB DOUBLE INLET CENTRIFUGAL FAN with Backward Wheels BDB Series DOUBLE INLET CENTRIFUGAL FAN with Backward Wheels Kruger Ventilation Industries certifies that the BDB series shown herein is licensed to bear the AMCA Seal. The ratings shown are based on tests and procedures performed in accordance with AMCA publication 211 and AMCA publication 311 and comply with the requirements of the AMCA Certified Ratings Program. BDB Series BDB Series Double Inlet Centrifugal Fans – Backward wheels The BDB series is DIDW centrifugal fans with high efficiency non-overloading backward curved impellers. The fans are suitable for supply or extract applications in commercial, process and industrial HVAC systems. Sizes of this series are in accordance with AMCA standard 99-0098-76 R20. Type / Operating Limit Each fan type has its maximum operating speed and power due to its mechanical design. Model 315 to 710 Type S-C I Model 800 to 1400 The operating limit of BDB series - fan type is Type T II I design to meet the requirement of class I, II and III Type X III II limit as defined in AMCA standard 99-2408-69. Type Z III The BDB series is available in type S, C, T, X or Z. Type S