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DJF(m) series Centrifugal Push-Pull Exhaust Fan ( Triple Rotational Hammer)

SHANDONG YUYUN SANHE MACHINERY CO.,LTD
ADD: NO.566 YINENG ROAD,ECONOMIC DEVELOPMENT ZONE,
QINGZHOU CITY,SHANDONG PROVINCE,CHINA
TEL: +86-536-3522987 3521598 3521680 3522982
FAX: +86-536-3521598 3522987
POST CODE: 262515
E-MAIL: sanhe@wfsanhe.com
INTERNATIONAL FREE PHONE: 4006036967


  Adopt the shutter opening device with three rotational hammer to greatly increase the smooth running of fan and guarantee that the shutter can be completely opened or closed, minimize the wind resistance and greatly improve the operating efficiency; the opening device is made of PA66 nylon in high quality in order to guarantee their service life; All parts are connected through 304 stainless steel rivets which are wear-resistant, anti-rust, flexible and reduce the friction coefficient.
  Blades are made of Krupp stainless steel with high strength by punch forming. They are anti-dust and attractive. Special blades design gets large air flow, no deformation, never break and the air flow is consistent; The diameter is extended from 1250mm to 1270mm which has greatly improved the operating air flow and efficiency; the blades are 1.2mm in thickness and BA grade in surface finish.
  Belt pulley is made of die-casting aluminum-magnesium alloy with high strength which is light and corrosion-resistant and reduces the weight of blades; the surface is treated by sand blasting to improve the appearance, eliminating internal stress, greatly improving their own rigidity and ensuring they will never break;
  For motors, our customers can choose Chinese famous motors, Siemens motors and ABB motors; Motor voltage ,frequency and phase can be customized. Motor protection class is IP55, Insulation class is F.
  Exhaust fan use imported double-row bearings with high strength, low noise, long service life and free maintenance; Model: 30600037.
  Adopt MITSUBOSHI brand belt imported from Japan, whose quality is guaranteed and service life is much longer;Model: A86
  Plate-type shutter fixed clips get firmer installation and better sealing.The friction coefficient between fixed clips and rotational arm is much smaller than the old type whose caused by the rotational arm directly with plate. This new design gets the shutter flexible opening and closing.
  Equipped with a belt adjusting device which is the motor locking bolt. Adjust it clockwise with No.17 wrench to tight the belt.
  Frame is made by excellent hot galvanized sheet(zinc thickness is 275g/㎡). Which has a longer lifespan and strong anti-oxidation. Frame can be made of 304 or 430 stainless steel.
  The fasteners fixed on both ends of blade support are changed from traditional iron plates to aluminum magnesium alloy base, traditional welding connection to plug-in connection which has greatly reduced the friction coefficient, fixed more firmly, avoided rust and improved the appearance.

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