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, the valve is opened manually cable positive pressure blower role, 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 in the action, the valve is closed, cutting off the fire and smoke spread along the duct. And can interlock exhaust fan. Duct at the exhaust valve installed in the exhaust system, usually normally closed, when the temperature reaches 280 degrees cheapest positive pressure blower, open exhaust, and can interlock positive pressure blower fan wholesale production, installed in the walkway or anti- smoke before the room, no exhaust port at the window of the room exhaust system can be mounted on a ceiling or mounted on the side wall. Leafy outlet of a variety of different forms of installation are here: Home> Technical Documentation leafy smoke outlet mounted on the front of the room and hallway elevators, usually in a normally closed state. Installation form is divided into vertical and horizontal. Usually normally closed, 24V power to open the valve manually open the valve cable, the output signal of the valve opening. 1. The outlet was closed 2.DC24V power usually exhaust port open so that the exhaust port 3. manually open, manual reset 4. leafy outlet after opening the output signals with another device interlock 5. air temperature reached 280 ℃ when the exhaust port and automatically shut down positive pressure blower 6. remote control, control distance ≤6m, ultra-long haul can be customized 7. Control Power Supply: Voltage DC24V ± 10%, the current ≤0.5A positive pressure blower models, Yantai positive pressure blower, Sheng Sheng clean air conditioning purification by Texas Air Conditioning Equipment Co. provided. Texas Air Conditioning Equipment Co., Ltd. Sheng-purification (www.dzhffj.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 Sheng clean air conditioning and you hand in hand into the brilliant, for a better future!