Technical Specification Model Standard CEAV Diameter 28 Inch (710mm) Neck/Throat Diameter 21 Inch (530mm) No. of Vanes(Blades) 36 Vanes Height 19 Inch (480mm) Base Ring Stainless Steel (Jindal make) Top Cover Stainless Steel (Jindal make). Top Plate MOC Aluminium 1 mm Thickness Alloy 8011 H2 Vanes MOC Aluminium 0.635mm Thickness (Hindalco make) Bottom Ring Aluminium 1.27 mm Thickness (Hindalco make) Rotation Pivot bush support w/o Bearing Pointer MOC 10 mm Ø EN-8 with Electroplating Supporting bush MOC Derline black( Hardest PTFE grade) Center Shaft M.S. 20mm Ø with Nickle Plating Inner Arms M.S. with Electroplating Outer Arms M.S. with Electro Plating Center Pipe M.S. with Electro Plating Nett. Weight 5.8 Kgs (Approx.) Packing As per requirement.