Product Description

1. It is made of high strength corrosion resistant hot-dip galvanized sheet, suitable for various harsh environments; 2. The actuating mechanism is sensitive and the signal response is accurate;
3. The opening and closing of blades are sensitive, and the linkage is accurate. When closing, the blades are tightly meshed and have strong air tightness;
4. The valve body has strong overall force, strong support, strong compression resistance, stability and durability; Applicable to ventilation or high temperature smoke exhaust of high-rise buildings, underground buildings and tunnel drying rooms