DIAMETER	180MM*600MM*4.5MM
THICKNESS	4.5MM
SURFACE TREATMENT	Sand Blasting
COLOUR	Aluminum natural color
MATERIAL	Aluminum alloy 104
TECHNOLOGY	Cast Aluminum
APPLICATION	Booster fan

Blade Pitch Angle: The blade pitch angle is a critical factor in the overall performance of the propeller. In general, the greater the pitch angle, the slower the fan can turn. Some propellers or fan blades are made with adjustable blade pitch angles either set at the factory or adjustable while operating (in-flight adjustable).Q: Which shipment available? A:Normally, we ship goods by sea, air and express. Special requirement also acceptable. By sea to your nearest sea port By air to your nearest air port By express(UPS,DHL.FEDEX,TNT...) to your door1.Packaging Detail: a.clear bags inner packing, cartons outer packing, then pallet. b.as per customer's demand for hardware stamping parts. 2.Payment: T/T,30% deposits advance; 70% balance before delivery. 3.Shipping : 1.FedEx/DHL/UPS/TNT for samples, Door-to-Door; 2.By Air or by Sea for batch goods, for FCL;Airport/ Port receiving; 3.Customers specifying freight forwarders or negotiable shipping methods! Delivery Time: 3-7 days for samples; 5-25 days for batch goods.1.Personnel cooling in hot work areas. 2.Forced cooling and exhausting heat in steel mills. 3.Forced cooling for kilns, ovens and forges. 4.Exhausting mist and vapor in paper mills or industrial parts washers prior to painting parts. 5.General ventilation using supply air and make-up air in factories, foundries and warehouses.