Damper Performance Performance: · temperature to 70 ℃, dampers price, temperature fuse action, the valve closed by the tension spring force. · Manually shut down, manual reset. · Manually changing the opening angle of the blades. · Smoke damper valve closes after the price may occur telecommunications numbers. Design damper (1). According to the company the required technical performance parameters and requirements smoke dampers, fire-resistant action available to meet different temperatures, different sizes and different functions for engineering parameters required damper, smoke damper. (2). Damper, smoke damper damper monitoring capabilities to meet the control interface provided by the system control panel, power shutdown feature to achieve, and can provide a feedback signal to meet the power shutdown monitoring automatic fire alarm system. Smoke damper Price | Dingrui air conditioning (certified) | damper provided by Wu Cheng Ding Rui Air Conditioning Equipment Co., Ltd. Wu Cheng Ding Rui Air Conditioning Equipment Co., Ltd. (www.wcdrkt.com) (www.wcdrkt.com) is a leader in Dezhou, 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. Ding Rui air conditioning in leadership with the staff warmly welcome all inquiries negotiations to create Dingrui conditioning a better future.