Pressure delivery outlet elevator room or need to set a positive pressure air outlet exhaust port for multi-leaf dampers corridor exhaust fan, no window room and stairwell before the smoke chamber. Pressure (multi-leaf delivery) outlet pressure delivery outlet, mounted on the front of the smoke chamber and the elevator walkway, usually in a normally closed state. Installation form is divided into vertical and horizontal. Pressure (multi-leaf delivery) usually normally closed outlet pressure delivery outlet size, 24V power to open the valve manually open the valve cable, the output signal of the valve opening. Shandong Plumper Air Conditioning Equipment Co. located in Texas Lu right Tuen Economic Development. The company's main products are: pressure delivery outlet, air conditioning units, fresh air ventilator, wind chassis, positive pressure blower, muffler, ventilation, aluminum outlet, FRP wind ... pressure delivery outlet size, Jincheng pressure delivery air, rich ventilation equipment from Dezhou Plumper ventilation plant. Dezhou Plumper ventilation plant (www.frtfsb.com) (www.frtfsb.com) strong, credible, in Dezhou fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Plumper ventilation equipment into the brilliant and you work for a better future!