Action: After the fire, the cover plate of good quality water is heated spray product, from the fusible alloy solder joints melt water spray three products cover plate off, deflector on the guide pin drop to the working position. Thermal expansion of liquid inside the glass bulb. When reached nominal operating temperature, the glass bubble burst water spray product images, action sprinkler nozzle. RFII series concealed pendent sprinklers only RFII series hidden a metallic appearance or the appearance of white paint cover plate for authentication together. Exposed to the corrosive environment of the copper alloy corrosion coating nozzle can be protected, to extend the life of the nozzle. Although corrosion test standard nozzle with the coating has been made by the agency, but the test does not include all corrosive environments. . Tyco Fire Suppression and Building Products TFS & amp; BP provide fire solutions and ancillary buildings to build solutions for commercial, industrial, institutional, government agencies and homes. Its focus is research and development in chemical and water-based fire-fighting technology, providing innovative technology solutions and global certification. Sprinkler Products Company, a Anyuan Industrial (online consultation), Wuhan Hubei water spray products from creating Anyuan Electrical Equipment Co., Ltd. to provide. Hubei Chong Anyuan Electrical Equipment Co., Ltd. (www.hbcay119.com) (www.hbcay119.com) is a leader in Wuhan, fire protection equipment, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum Limits to meet customer needs. Anyuan electromechanical leadership in creating the staff warmly welcome all inquiries negotiations to create create a better future for electromechanical Anyuan.