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Drop hammer exhaust fan

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Main performance

Drop hammer fan mainly consists of blade/motor/frame/protect net/bracing cage/shutters. The motor drives blade to cause air 

flow and louver window can open and close automatically to keep the dust from entering.

※Frame using advanced automatic processing, height precision; extra-depth zinc coating frame, high corrosion resistance;

※High-strength aluminum alloy casting pulley, and reasonable perspective blade, to reach the maximum air flow.

※High-precision micro-computer-aided manufacturing system make the best efficiency of the fan;

※Five strict quality testing procedures: noise detection, vibration testing, concentric rotation performance testing, speed of blade 

    testing and whole fan efficiency detection.

※High quality motor with CCC certificate, IP55, Class F grade.

※Use galvanize, FPR and ABS wind collector. Protect net is easy to be disassembled. CAD/CAM optimizing design.

Technical parameter

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Spare  parts


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Fan blade is made of Krupp stainless steel by punch forming. no dust, attractive and durable. Special blades shape design ensure large air volume, no deformation, no broken, keep air volume same all the way. Thickness 1.2mm, surface finish BA grade.


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Both China famous motor and Siemens motor are available. Motor voltage and frequency can be customized. Chinese famous motor OEM by special design for fan, the first put in the phase lack protection device which would power off when shortage of electricity. Motor protection grade IP55, insulation class F grade.


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Fan belt pulley is made of high strength aluminum-magnesium alloy by die-casting which reduce the weight of propeller, high corrosion resistance. Special three reinforced ribs pulley design. Blast -sanding treatment for attractive appearance, eliminate internal stress to improve its own rigidity
and stability, never broken.


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Fan bearing adopts imported single-row bearing with special waterproof design, high strength, low noise, maintenance free and long service life.


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Using high strength nylon swung drop hammer opening device to ensure the shutters opening and closing flexibly


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Belts are Japanese Mitsuboshi brand, ensure the long service life, maintenance free.


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Frame adopts Hot Galvanized sheet with zinc thickness of 275g/m2, which extremely improve its anti-corrosion performance. Shutter fixed parts are made of high quality nylon which ensure long service life, open flexibly.Shutters are made of galvanized sheet with thickness of 0.8mm and 1.5mm, ensure shutters no deformation, running stable.


Product Center

News

Tel/Wechat/whatsup: 

+86 15964568003

Skype: 

lisayunlian

lisa@fbkyltd.com
lisayunlian@hotmail.com


NO. 219, Kangsheng Road, Economic Development Zone, Qingzhou, Shandong, China

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