Application: National high-rise building fire smoke design specification Changchun pressure delivery outlet, these parts should set up a separate mechanical exhaust system 1, does not have the natural smoke conditions stairwell pressure delivery outlet factory, fire elevator room or shared room. 2, the use of natural smoke stairwell front room pressure delivery outlet, it does not have the front room of natural smoke. 3, closed refuge floors. Seams clean room HEPA demand means the outlet flange and ceiling panels between the implementation of the gasket disposal, remember that there are cracks in the need for strict local disposal well. HEPA avoid damage or breakage may not conduct coating apparatus outlet duct means necessary severe connected, open end with plastic film and tape reinforcement dense wind disposal. Pressure delivery outlet factory, rich ventilation equipment (certified), pressure delivery outlet provided by Dezhou Plumper ventilation plant. Dezhou Plumper ventilation plant (0) is the leader in Dezhou, fans, ventilation equipment, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Rich ventilation equipment in leadership with the staff warmly welcome all inquiries negotiations to create rich, ventilation a better future.