Maa Steel Technology - The biggest Industrial Exhaust Fan Manufacturer & Importer in Bangladesh ( 01925769774 ). Our company has advanced producing equipment’s and expert technical force. We have a large number of customers all over the country. Our main product is Industrial Exhaust Fan, Industrial Heavy Duty Fan, Axial & Axial Fan, Evaporative Cooling Pad, Roof Mounted Ventilation, Natural Turbine Ventilation and Centrifugal System Exhaust Fan. The products are all energy saving, smooth operation, low noise, stable performance solid and durable with elegant appearance. Products are widely used in the Textile, Chemical, Pharmaceutical and all kinds of Industry or Store. MST always committed to highly provide service for Customer. We provide best quality, first-rate and all time customer service.

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Non Power Roof Fan

Category: .
Model/Size Blade Quantity


Air Ventilation Diameter


Turbine Diameter


Net Height


Net Weight Packing Size


MST-22” 28 500 630 500 4.6 630x630x500
MST-24” 34 600 800 650 5.8 800x800x650


Mokel/Size Body Size


Blade Size


Body Material Blade Material No. of Blades Round Speed RPM Capacity




MST-36” 1200x1520x930 32” FRP Aluminum Alloy 3 800 32000 .75kw
MST-48” 2390x1600x940 44” FRP Aluminum Alloy 3 630 46000 1.1kw


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