Pressure delivery outlet elevator room or need to set a positive pressure air outlet exhaust port for multi-leaf dampers corridor pressure delivery outlet, windowless room and stairwell before the smoke chamber. Pressure (multi-leaf delivery) outlet, mounted on the front walkway of the smoke room and lift pressure delivery outlet size, usually in a normally closed state. Installation form is divided into vertical and horizontal. Pressure (multi-leaf delivery) outlet usually NC Texas cheapest positive outlet, 24V power to open the valve manually open the valve cable, the output signal of the valve opening. Pressure delivery outlet smooth exterior decorative surface requirements, should be well-balanced distribution of the diffusion ring, the same color, no obvious dents and scratches phenomenon. Be sure to carefully check the mechanical properties of the vent before installation. Optional deflector is an adjustable or removable products, pressure delivery outlet requirements regulating the demolition convenient, reliable, non-loosening after positioning. Yeah attention in the construction of the installation above a certain point, only to do properly installed, its performance to fully play out. Positive pressure ventilation outlet specifications _ Rich equipment (certified) _ positive outlet provided by Dezhou Plumper ventilation plant. Dezhou Plumper ventilation plant (www.frtfsb.com) is a 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.