Fire sprinkler system usually closed roof fire water tank filled with water glass ball closed nozzle, fire sprinklers when the temperature reaches a certain temperature (usually 68 ° C) melt nozzle chrome closed nozzle, water pipe in the roof fire the role of automatic spray tank, then wet alarm valve will automatically open, the pressure switch valve opens automatically closed nozzle picture, and this pressure switch has a plurality of signal lines and fire pump chain, the pump is automatically started. Then spray pump to the pool of water supplied through a pipe into the pipe network, the entire fire protection system begin to work. Fire sprinkler system design principle is based on the use of premises in the area and the object needs to be determined firefighting sprinkler number and type. Number sprinkler head general factory buildings, entertainment venues range of 10 - 20 square meters each arranged a sprinkler, while the Treasury relatively denser, each arranged in a range of 5 - 10 square sprinklers. Anyuan Hubei Chong Mechanical and Electrical Equipment Co., Ltd. is engaged in agents, sales of Tyco Fire products specialist. By virtue of the NFPA codes and standards of a deep understanding of FM fire closed nozzle, 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. Fire closed nozzle | Xiaogan closed nozzle | Electromechanical by the Hubei Chong Chong Anyuan Anyuan Electrical Equipment Co., Ltd. to provide. Hubei Chong Anyuan Electrical Equipment Co., Ltd. (www.hbcay119.com) (www.hbcay119.com) strong, credible, in Wuhan, Hubei fire equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead electromechanical create Anyuan into the brilliant and you work for a better future!