+86 18053682781
The product is made of high quality engineering plastics by injection molding, with high density and firmness.
PRODUCT FEATURES
It is made of high-quality engineering plastic injection molding, and the density is stronger and stronger; The raw materials are added with anti-ultraviolet materials, which have strong anti-aging properties and longer service life; tight sealing, flexible opening, and anti-bird nets on the air inlet; The double pulley guide design is used to adjust the opening of the damper, which effectively reduces resistance and enhances the service life of the rope; The first air inlet door adopts a pulley device to reduce friction and enhance the service life of the rope; Optional installation of deflectors to effectively control the flow direction.
PRODUCT PARAMERS
| Outline dmensions(mm) | Installation dimensions(mm) | Maximum ventilationg(m³/h) |
| 600*300 | 550*260 | 1800 |
| 680*300 | 630*230 | 2000 |
PRODUCT ATLAS
Contact：Manager Liu
Mobile: +86 18053682781
E-mail: tianvictor@yahoo.com
Address: Wangmugong Street, Qingzhou Economic
Development Zone
web: www.sdwelbon.com
