| Model | Drive | Blades Diameter(mm) | Blades Rotational Speed(rpm) | Motor Rotational Speed(rpm) | Air Flow (m³/h) | Input Power (W) | Noise (db) |
| 750 | Direct | 600(24in) | 960 | 960 | 10600 | 370 | <70 |
| 1000 | Belt | 910(36in) | 500 | 1400 | 21000 | 550 | <64 |
| 1100 | Belt | 1000(40in) | 470 | 1400 | 31600 | 750 | <64 |
| 1380 | Belt | 1270(50in) | 458 | 1400 | 44000 | 1100 | <64 |
1. Material : Krupp 430 stainless steel, thickness 1.2mm. Blade material also have galvanized sheet, aluminum alloy for option 2. Diameter: 1270mm Advantage: Large air flow, no deformation, no fracture, no dust, attractive and durable.
Italligent Dynamic-balance Tester Fan blades are adjusted by Intalligent dynamic-balance tester, the weight tolerance of each blade is controlled within 1g. Advantage: Ensure the fan smooth running,lower vibration,less noise,increase stability.1. Frame: Hot Galvanized sheet with zinc thickness of 275g/㎡, high anti-corrosion performance 2. Plastic Handle, easy to carry , Convenient to load Advantage: N&H has the advanced Complete CNC machine and Laser Cutting machine. Auto punching and bending, the accuracy of the hole is 100%, easy to assemble.
1. Material: High strength aluminum-magnesium alloy by die-casting. 2. Blast-sanding treatment, eliminate internal stress to improve its own rigidity and stability Advantage: Light weight, Low vibration ,attractive appearance.
Imported double-row bearing with special waterproof design. Advantage: High strength, low noise, free maintenance and long service life.1.Material: High quality Nylon PA66 2.Guide Rod: 304 stainless steel with special material outside, high strength, no rust, reduce friction. 3.Rivet: 304 stainless steel , wear-resisting, no rust. Advantage: It can keep the shutters open at complete 90 degree to ensure the lowest air resistantce and biggest air volume.
Brand: Mitsuboshi belt (Japanese) Type: B type, B88 Advantage: B type belt is 3 times longer service life than A type belt, maintenance free.Material: Hot-dip galvanized wire is coated with Plastic Advantage: Double Protection to ensure never rust.
1.Material: High Strength Plastics or Aluminum Magnesium Alloy. 2. Type: Plug-in connection Advantage: Compare with the traditional welding connection , Our new type Aluminum magnesium alloy base has greatly reduced the friction coefficient, fixed more firmly, avoided.1. Material: Galvanized Plate or Aluminum Alloy 2. Spring: 304 stainless Steel, no deformation ,no rust. Advantage: Light weight, no deformation, long service life. Added with wear-resistant shaft sleeve, reducing friction , ensure the shutters open flexibly.
1.Material: High Strength Plastics or Aluminum Magnesium Alloy. 2. Type: Plug-in connection Advantage: Compare with the traditional welding connection , Our new type Aluminum magnesium alloy base has greatly reduced the friction coefficient, fixed more firmly, avoided.1. Material: Hot Galvanized sheet with zinc thickness of 275g/㎡ 2. Shutter Fixed Parts: High quality nylon. Advantage: High anti-corrosion performance, open flexibly, long service life, no deformation ,no rust, running stable.
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