Ventilation and negative pressure fan for greenhouse 

negative pressure fan  using CAD / CAM design, has the characteristics of low investment cost, large volume, the advantages of low noise, low energy consumption, stable operation, long service life, high efficiency and shutters automatically closed dustproof, waterproof, appearance.

fan blade are advanced thought the compute dynamic balance measuring instrument calibration,dynamic balance control in 1g,the fan running smoothly,The blower to smooth running,small vibration,low noise ,enhances the stability of the whole machine.Fan blade materials are stainless steel,galvanized plate ,aluminum alloy three kinds of optional material.Fan blade is made of stainless steel by punch forming ,no dust, attractive and durable.Special blades shape design  ensure large air volume,no broken,keep air volume same all the way.

Motor have domestic brand motor can be use .motor voltage and frequency can be customized.Domestic brand motor joining open phase device,when the lack of power to control.

In order to facilitate handing,fan on both sides of the fuselage design of the recessed plastic handle,convenient transportation,improve transport efficiency,and reasonable design,beautiful appearance,not to hurt the hand,not easy to damage.

Motor hotel:installation hole of motor is six angles instead of the roundess, which can steedy the motor better.

The spring is made of high quality 304 stainless steel,it will be not rusty and not-defromation during long term using,this ensure to close the shutters in place.

Small belt pulley:two kinds of belt pulley for seletion:Aluminum,Cast lron.

installation diagram

company introduction

1).ABOUT US

Qingdao Peng Sheng Electrical appliance CO.,LTD. Located in the cultural historical seaside famous city -- Jimo ,which predecessor is the Qingdao Hong Sheng Electrical Appliance factory(founded in 1998),in 2012 according to the international technical standards and combination with QingDao Hongxing Electrical Appliance Factory technology, established the QingDao Peng Sheng Electrical Appliance CO., LTD. Focus on ventilation fan more than 20 years.

2).OUR PRODUCT

A famous company specializing in the production of air blower, exhaust fan, axial fan, centrifugal fan, the enterprise of science and technology of ventilation equipment, about 20years has been committed to developing of science and technology products.

 Qingdao Peng Sheng Electrical appliance CO.,LTD.

TEL:86-0532-86653638    86-15336483811

Whatapp:+8617086107120

Add:Huangjibu South Village.Tongji Office,Jimo,Qingdao,Shandong,China(maibland)