B9-19 HIGH PRESSURE CENTRIFUGAL FAN This series are used for coercive ventilation in industrial such as ancient furnace,glas,electroplanting,ceramics,ect. and are widely used for material transportation in processing industrial like food,feed and slag. The transportation in processing medium is air or other non-spontaneous-combustion and non-explosive-comubstion air with no harm to human. The air transferred shall not contain any adhesive material,dust and grain and the concertration shall not exceed 150mg/m3 with the temperature no higher than 80 centigrade degree. Main Technical specifications overall and installdimensions: