Leafy exhaust port and pressure delivery outlet which differences exist on purpose? Location: Home> Technical Documentation leafy exhaust port for the corridor, windowless room and stairwell before the smoke chamber. Pressure (multi-leaf 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) outlet usually normally closed, 24V power to open the valve manually open the valve cable, the output signal of the valve opening. Leafy exhaust port as well as 280 degree auto-off feature. Damper is applied there is fire safety requirements on ventilation and air conditioning systems, usually always open, in case of fire, the temperature fuse in the fusible link 70 degrees blows, the valve is closed, the fuse for smoke damper system. 280 degrees when positive pressure blower operation, the valve is closed, cutting off the fire and smoke spread along the duct. And can interlock exhaust fan. Exhaust valve installed in the duct of the exhaust system, usually normally closed positive pressure blower function, when the temperature reaches 280 degrees, turn on the exhaust, and can interlock fan mounted in the aisle or smoke before the room, windowless room The exhaust port of the exhaust system can be mounted on a ceiling or mounted on the side wall. Positive pressure blower is pointing escape corridor air blower. It outdoor air pressure into the interior. In case of fire, it will produce a lot of smoke blower positive effect, carbon monoxide and other toxic gases and block line of sight, through positive pressure blower air to escape the fire stairs, indoor smoke can not reach the stairs, to create the conditions for everyone to escape. Positive pressure blower is usually installed in the top of the building, each positive pressure air valve linkage. Open early fire air valve, positive pressure blower starts, stairs, elevator lobby at positive pressure (air conditioning). Note 1. The positive pressure blower installed horizontal position to maintain a positive pressure fan blower manufacturers, and connecting fans and ground and air outlet pipe should be a natural adjustment, can not force the connection, the weight of the pipe should not be added in the wind turbine components. 2. When the fan installation and comprehensive inspection of the various components, add oil, after checking the fan terminals fastening work is completed, the components tightly connected. 3. The positive pressure blower is running if there is a huge impact on abnormal vibration must be immediately stopped and checked. 4. Check the fan and soft connection between the duct and found damaged replace immediately. Fans use measures should be rain in the open air. 5. Check the stipulated time fan blades, remove surface dirt, remove the internal fan fouling, dirt and other impurities, and to prevent corrosion. 6. positive pressure blower manually move the fan disk checking tightness, abnormal immediately overhaul. 7. Elimination of the control box and the internal surface dust, check the box is a positive pressure blower uses, Sheng clean air conditioning (certified), Lijiang positive pressure blower is provided by the Texas Air Conditioning Equipment Co., Ltd. Sheng-purification. Texas Air Conditioning Equipment Co., Ltd. Sheng-purification (www.dzhffj.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 . Sheng leader in clean air-conditioning staff warmly welcome all inquiries negotiations to create clean air conditioning Sheng a better future.