Tender For supply, installation testing and commissioning of wind driven turbo ventilator as per specifi cation below- turbine diameter-26 inch, neck/throat- 21 inch, height-18 inch, vanes- 42 vanes, center shaft -18mm, inner arm/outer arm- ms with electro zinc plate, frp base plate- 3mm thick, 1.020mtr wide and 1. 65mtr long, rotation twin sealed- 6203zz bearing with self-lubricating with installation at site. [ warranty period: 30 months after the date of delivery ]