[Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product - the pressure outlet] antechamber pressure delivery outlet by normally closed solenoid valve plus multi-leaf composition Grille, each setting. 220v fire dampers, fire center is generally controlled by the fire floor and the corresponding upper and lower layers of the open outlet pressure, manual reset. May also be electric, reset by the fire control center. Stairwells are mostly self vertical louvers for pressure delivery outlet, but can not monitor the fire control center vent opening and closing conditions. To this end, in accordance with the form of the selection before the room by the fire control center to open and close. [Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product - damper damper 280] should be normally open round damper, also known as high-temperature fire dampers, typically installed in a high-temperature environment ventilation ducts, when the temperature After reaching 280 gold eutectic melting damper, the valve is closed, but you can use the 24V control signals. If that is the 280 smoke damper should be normally closed, install the control center when the fire broke out in the exhaust pipe so that it opens the smoke signals are given when the temperature reaches 280 fusible alloy melts valve is closed, is a two actuations of the valve. Flue damper | Tianjin Jinzhong Ji ventilation engineering (certified) | Tianjin Tianjin Jinzhong Ji HVAC dampers provided by purification equipment. Tianjin Jinzhong Ji HVAC purification equipment Limited (www.Jzjnt.com) is a leader in Tianjin, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In the group leadership with the staff warmly welcome all inquiries negotiations to create a better future for the base.