Air Door The air door is opened under gravity and controlled by a draw rope, no need spring.It is also filled with an insulation board inside | Draw Rope The draw rope is designed on the top of air inlet: Pull the rope to close the air door, and release the rope to open the air door. |
Anti-bird Net The air inlet back can be equipped with anti-bird net which is fixed by bolts&nuts. | Air Guide Plate The angle of air guide plate can be adjusted as per customer need |
About our Company
Shandong Yuyun Sanhe Machinery Co.,Ltd is the biggest and the most professional manufacturer of ventilation equipment in
China,equipped with the most advanced CNC production lines and laser cutting machines, top quality level in the industry.
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