Exposed to the corrosive environment copper alloy corrosion coating nozzle can be protected, to extend printhead life. 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 recommend to the End User Advisory Wuhan manual sprinklers, the coating is used for a particular corrosive environments. Should consider ambient temperature, chemical concentration, gas impact / chemical velocity, should be considered exposed to at least one of the sprinkler corrosion properties of chemical substances. According to the new fire test Wuhan ongoing Fire sprinklers, ESFR-1 sprinklers applications are moving beyond the current approved limits. ESFR-1 is a special type of sprinkler heads, for building structures, obstructions, hydraulic calculation and installation have special requirements. Its hydraulic calculation methods and installation requirements and different standard sprinkler, FM Approved nozzle design parameters and installation requirements for information, please ask the office. Wuhan sprinklers price, creating Anyuan electromechanical (certified), sprinklers hit by the Hubei Anyuan Electrical Equipment Co., Ltd. to provide. Anyuan Hubei Chong Electrical Equipment Co., Ltd. (www.hbcay119.com) (www.hbcay119.com) is a leader in Wuhan, fire equipment, over the years, the company is implementing 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.