Hao Yang conditioned modern plant fire dampers, excellent staff, sophisticated technology production equipment, perfect testing means, the company effectively implemented and passed ISO9001 international quality system certification, and constantly strengthen the technical and industrial upgrading, the ventilation performance indicators the leading domestic level. Production of "HTF, HTFC, PYHL, SDS, RTC, PFHF smoke damper" series has been tested and obtain a certificate through the "National Fire Equipment Quality Supervision and Inspection Center" type. Smoke damper, fire control valve, 70-degree fire dampers, exhaust valves, dampers works, fire dampers pictures, damper installation location, wiring diagram 280 degrees 70 degrees damper damper is installed in the central air delivery, volleyball Wind or send a simple interior, manual damper on the exhaust pipe after the indoor fire damper fusible rod when it reaches 70 ° fuse, fire dampers closed, the main role is to keep a room after the fire ignition source collusion and smoke through a pipe to another room. Smoke damper mounted on the exhaust pipe and smoke damper usually close 70 fire dampers, exhaust fan the fire started after room 280 fire dampers, and smoke damper open, smoke room on fire, in order to achieve staff When not in time to escape the smoke damage, the fire is too large, the flame will enter the exhaust pipe through the air vents, this time on a 280 ° smoke damper rod fusible fuse, smoke damper closed, while giving Signal exhaust fan is turned off. Exhaust valve is usually installed in the exhaust duct system, usually normally closed when a fire, smoke detector send out alarm signals, the control center DC24V to energize the solenoid valve, the valve opens quickly, or people to quickly open the valve manually smoke. ● Telecommunications No. DC24V ± 2.4V to open the valve. ● Manual allows the valve to open. ● manually reset. ● open the valve operation output signal, noted in the user requirements can interlock with other devices. Manual dampers, fire dampers Laiyang, Hao Yang air conditioning equipment (view) from the Texas Air Conditioning Equipment Co. Hao Yang provided. Air Conditioning Equipment Co., Texas Hao Yang (www.dzapjt.com) is a professional, "fan coil units, air, mixed flow fan, FRP fans, dampers, air flow control valve" company. Since its inception, we adhere to the "good faith, sound management" approach, the courage to participate in healthy competition in the market, so that the "Hao Yang" brand has a good reputation. We adhere to the "service first, customers first" principle, so that air-conditioning equipment Hao Yang won the trust of customers all of the fan, ventilation equipment, and establish a good corporate image. Special Note: This information is for reference pictures and information, please contact us to obtain the most accurate information, thank you!