Although corrosion test standard nozzle with the coating has been made by the certification bodies, but the test does not include all corrosive environments. Therefore recommends to the end user advice, the coating is applied to a particular corrosive environments. Action: thermal expansion of liquid inside the glass bulb. When reached nominal operating temperature, the expansion of the liquid glass bubbles burst, the sprinkler nozzle action. ESFR-25 K25 (English) early suppression fast response pendent sprinklers ESFR-25 pendent sprinklers (see Figure 1) is the early suppression fast response sprinklers (K = 363) shower heads, to protect high-stack warehouse goods with special advantage, and we do not need to be installed in-rack sprinklers. ESFR-25 Pendent sprinklers are mainly used to protect most of the film package with or without coating ordinary packaging materials, including cartons of non-foamed plastics and other goods nozzle type, maximum stack height goods 12.2m. It may also be protected by a cylindrical packaging paper products warehouse and rubber tire warehouse. ESFR-25 Pendent sprinklers in NFPA 13 or other applicable NFPA standards as the basis, the UL and C-UL Press "early suppression fast response sprinkler" standard certification, sprinklers applicable maximum headroom of 13.7m. ESFR-25 Pendent sprinklers to require FM Loss Prevention Data Sheet is based, the FM press the "early suppression fast response sprinkler" standard certification, Sprinklers applicable maximum headroom of 13.7m. Anyuan Hubei Chong Mechanical and Electrical Equipment Co., Ltd. is engaged in agents, sales of Tyco Fire products specialist. By virtue of the NFPA standard specifications and FM sprinkler heads deep understanding of price, adhering to customer service for the origin and the pursuit of continuous innovation and improvement of its own after years of rapid development has become FM / UL certification of fire protection products in the field of the most active and most efficient supply service providers . Shower nozzle pictures, create Anyuan electromechanical (certified), Wuhan, Hubei Chong Anyuan nozzle by the Electrical and Mechanical 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.