Detail: 1 Description impeller wheel 2 Material hot galvanizing steel sheet 3 Standard Approved AMCA,ISO9001 4 Weight Range 1kg-100kg 5 Producing Capacity 2000pcs/day 6 Maint Application air condition fan 7 Surface treatment hot galvanizing 8 Inspection&test foundry in workshop,three part inpections 9 Packing carton Model: 212842442YL Outer diameter: 212mm Height: 84mm Shaft: 24mm Material: Cold-rolled sheet Blade number: 42 PCS Weight: 2.8 KG Motor speed: 2800 r / min (2-pole) Can be customized YES 1. Impeller for forwarde curved blower From Dia 120 to Dia 235 mm 2. Impeller for backward curved fan from Dia 133 to Dia 500 mm 3. Fan blade for axail fan from Dia 170 to Dia 800mm Material: We have Aluminium, Aluminium-Alloy, Pastic, Steel for fan balde. If you have your drawing for fan blade or Impeller, we can make tooling by ourself. If you have any debt, you can contact us any time. The biggest advantage of our products is:"Low noise, Big Air flow High stabiltiy, high efficiency". Low noise: we adopt two-sides banlances on fan, Vibration speed virtual value of fans ≤0.5 mm/s High stabitility: we test every fan and blowers before shipment, and life time more than 30000 h High efficiency: our fan adopted the specical design to keep the best banlance betwwen Air flow and Noise.