| Customization: | Available |
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| Material: | Aluminum Fan |
| Blade Material: | Aluminum Magnesium Alloy |
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| Series | W.Fans Series | ||||||||
| Model | W26 | W24 | W22 | W20 | W18 | W16 | W14 | W12 | W10 |
| Specification/ Diameter(m) | 8 | 7.3 | 6.7 | 6.1 | 5.5 | 4.9 | 4.2 | 3.6 | 3.1 |
| Speed(rpm) | 10-45 | 10-55 | 10-60 | 10-60 | 10-70 | 10-75 | 10-80 | 10-85 | 10-90 |
| Full-load air volume(m3/min) | 15800 | 14550 | 13800 | 12600 | 11500 | 10800 | 9280 | 7954 | 6849 |
| Coverage area(m2) | 2462 | 2123 | 1809 | 1520 | 1256 | 1017 | 804 | 615 | 452 |
| Rated power(kw) | 1.5 | 1.1 | 0.75 | 0.4 | |||||
| Average consumption (kW·h) | ≤1.2 | ≤1.0 | ≤0.7 | ≤0.4 | |||||
| Noise(dB) | 39 | ||||||||
| Power supply(V) | 380V/220S | ||||||||
| Full-load current(A) | 2.8(380V)/4.6(220V) | 2.6(380V)/3.0(220V) | 2.5 | 2.0 | |||||
| Total weight(kg) | 108 | 92 | 90 | 73 | 63 | 60 | 47 | 42 | 39 |
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Dynamical system:PMSM motor
Dawang motors,free maintenance
Small size: 1/3 of traditional gear motor
Low noise:less 40% than traditional gear motor
Low energy:min 30% saving than traditional gear motor
Low temperature: less than 1310F
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| VFD:Vector Converter 1.Start steady: Motor vector algorithm and current suppression to achieve 2.No noise: up to 16KHZ, no noise during speed up, slow down, and running 3.Restart: It can smooth restart when the blades not completely stopped 4.Failure protection: 25 fail-safe protections (over current,over voltage,under voltage phase loss,overload,etc.) |
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| Blade:Streamlined variable cross-section 1.0.059''thickness No.5052 aviation aluminum alloy plate,not break when impact 2.To aerodynamic equal chord length theory,the blade narrows and thins from root to tip till tail then widen,more uniform 3.17Ibs per blade(24ft),5 blades total 84.9Ibs.more safe |
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Wheel Hub(chassis):
7075 aviation aluminum plate after CNC precision machining,perfect appearance and metal streamline to ensure the mechanical performance.After machining, max tolerance is 100μm, to ensure the dynamic balance.
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| 1.Blade and petiole connection The convex petiole with concave buffer device form the Joint engaged,eliminate the centrifugal force from the blades when the fan is running and the shear force when the fan starts and stops. The transverse screw is the same direction with fan running track to avoiding the shear in order to ensure the blade will not broken,eliminate the possible Safety hazards radically. 2.Petiole and wheel hub The petiole and hub/motor are integrated by the stepped concave-convex sections to engage each other.The overall structure is used to withstand the centrifugal force during running,and all fasteners are not stressed. 3.Motor and flange roulette Safety ring:Connect the 5 petioles and motor upper cover form the whole,adopt the occlusion structural to even the force of the whole fan. Anti-falling roulette:The concave flange roulette engaged with the convex anti-falling ring each other under the gravity to ensure the reliable connection between the flange roulette and motor. |
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Dawangfan crash test result:
(impacted by forklift )
The blades are still twisted and deformed, does not break or fall.
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Others:
Common profiles,Rigid connection,fan falling cases
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| Item | W.Fans | ||||||||
| Models | 26ft | 24ft | 22ft | 20ft | 18ft | 16ft | 14ft | 12ft | 10ft |
| Diameter(m) | 8 | 7.3 | 6.7 | 6.1 | 5.5 | 4.9 | 4.2 | 3.6 | 3.1 |
| Speed(rpm) | 0-50 | 0-55 | 0-60 | 0-65 | 0-70 | 0-75 | 0-80 | 0-90 | 0-100 |
| Air Volume(m³/min) | 15072 | 13804 | 11630 | 9639 | 7836 | 6220 | 4570 | 3357 | 2263 |
| Coverage(m²) | 2462 | 2123 | 1809 | 1520 | 1256 | 1017 | 804 | 615 | 452 |
| Consumption(kw/h) | ≤1.2 | ≤1.0 | ≤0.8 | ≤0.6 | |||||
| Weight(kg) | 108 | 92 | 90 | 73 | 63 | 60 | 57 | 42 | 39 |
| Noise(dB) | ≤38 | ||||||||
| Blade Nos(pcs) | 5 | ||||||||
| Rated power(kw) | 1.5 | 1.1 | 0.7 | ||||||
| Full Load Current(A) | 3.2 | 5.2 | 3.5 | ||||||
| Power supply(V) | 380 | 220 | |||||||
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