Multiple types of fire dampers

Greide fire dampers are widely used in civilian factories, hospitals, hotels, schools, office buildings, as well as industrial areas such as airports, subways, high-speed trains, tunnels, pipe galleries, chemical, mining, hydropower, thermal power, nuclear power, etc Low air leakage, with a national patent technology for valve sealing structure, the valve can be opened and closed flexibly, and the air leakage in normal temperature environment is controlled within 200m ³/(m ² · h). A complete range of carbon steel painted, hot-dip galvanized, and stainless steel valves have obtained inspection reports and certificates. There are a total of 56 3C certified products with different materials and processes, with maximum specifications of 2000 * 1250, 2500 * 800, and 2000 * 800. There are fire damper series, smoke exhaust valve series, smoke exhaust fire damper series, regulating valve series, sealed valve series, check valve, explosion-proof valve, residual pressure valve, constant air volu…