Dezhou rich ventilation plant is a professional production of central air-conditioning end equipment manufacturers supporting. Products in full accordance with national standards, standard production, advanced equipment, technology and stability. Our main domestic large enterprises to do OEM OEM production, while direct customers located in the central air-conditioning and fire ventilation equipment installation company, according to user needs, design and manufacture of various types of specifications ventilation, central air-conditioning end and fiberglass products. By positive pressure blower to supply air to escape fire stairs, Hengshui blower, indoor smoke can not reach the stairs, to create conditions for people to escape. Positive pressure blower is typically mounted on top of the building, and the layers of the positive pressure valve linkage. Initial fire damper open, start positive pressure blower, so stairwells, elevator hall in positive pressure (blowing state). Usually the layers in the building air shaft set louvers, made by blowing window, Francis blower, different layers of the open air shaft, axial blower, setting single double, to ensure that pressure; or outlet pressure, sometimes with hand and body and block the line of sight, a remote control device, can control the air supply. Pressure fan: general use in stairwells and elevator rooms, so toxic fumes can not enter. Because it is up and down the stairwell Unicom, the outlet pressure can also open, as long as the air evenly, it is generally done every 2 or 3 layers air from vertical blinds. The front room is not China Unicom, so order to facilitate escape in case of fire, is considering opening the fire floor and the adjacent layer of air, so to make electric outlet. Usually with dampers in place 280 degrees, 280 degrees when the fuse closed. And fire system linkage was found open fire signal pressure fan ---- --- open before the fire floor and the adjacent layer of the air chamber. Pressure blower, rich ventilation equipment (online consultation), Hengshui Dezhou blower provided by rich ventilation plant. Dezhou rich ventilation plant (www.frtfsb.com) (www.frtfsb.com) is an industry leader in Shandong Dezhou, fans, ventilation equipment, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum Limits to meet customer needs. Rich ventilation equipment in leadership with the staff warmly welcome all inquiries negotiations to create rich, ventilation a better future.