Profile: Fans and Blowers Ltd designs and manufactures industrial fans. Our products include industrial centrifugal fans, high pressure blowers and side channel blowers. Our BSNZ industrial centrifugal fans are designed with a fully welded impeller to enable light dust loadings. The BSNZ centrifugal fan can be supplied as both direct drive and belt driven to suit the requirements. This centrifugal fan can typically be seen in hot gas applications such as for cremators, incinerators, ovens and kilns.