Ye exhaust port (outlet pressure) PYK-2-Ⅰ PYK-2-Ⅱ applicable leafy exhaust port is usually installed in the front room on the aisle or smoke and exhaust system of the room without windows. Outlet pressure mounted smoke before the interior pressure outlet, the former interior positive pressure when the fire broke. Performance using the SD controller, power supply DC24V, 0.5A. Usually NC leafy pressure delivery outlet, open the control center DC24V received signals. Manually open, manual reset. Open the valve operation output signal. You can interlock with other devices based on user demand. Suitable for multi-leaf fire exhaust port PYK-5-Ⅰ PYK-5-Ⅱ multi-leaf smoke mouth usually installed fire or smoke in the hallway in front of the room, windowless room and exhaust systems. When the flue gas temperature reaches 280 ℃ automatically re-close the pressure delivery outlet is set to achieve the purpose of fire prevention. SFD control device performance using pressurized air outlet size, power DC24V, 0.5A. Usually normally closed, when an electrical signal to the control center DC24V open. Manually open, manual reset. Open the valve operation output signal. You can interlock with other devices based on user demand. When the temperature reaches 280 ℃ automatically re-closed. Leafy exhaust port mounted on the aisle or smoke before the room and the room without windows exhaust system. Remote control outlet pressure mounted in the front room of smoke, the former indoor positive pressure when the fire broke out. Can be controlled in the room. Stairwell pressure delivery outlet | Suntown clean air conditioning (certified) | positive outlet 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.