Upright sprinklers installed upright from 80 to 100% downward price sprayed closed nozzle, watering the shape of a paraboloid type, the total amount of water in the water supply branch pipe, but there are still some upright sprinklers sprayed into the ceiling, suitable for installation in a mobile object more crash-prone places such as warehouses, but also in the room ceiling concealed in the roof of the sandwich more combustible ceiling imposed to protect the top of boron. (Without ceiling spaces, when the water distribution branch pipe disposed under the beam shall be used upright. Vulnerable to collision site, should be used with protective cover nozzle or ceiling sprinklers) concealed sprinklers for high-end hotels, residences, theaters such as the need to ensure the effectiveness of smallpox smooth clean place. Concealed sprinkler lid is welded to the fusible metal thread, melting point is 57 degrees. Therefore, in case of fire, the temperature rises to the cover off, the temperature rose to 68 degrees and then (usually sprinklers) What is the closed nozzle, tube burst, water spray. Therefore concealed sprinklers most taboo is stained with paint and paint on the lid, so will cause the action failure. Fire closed nozzle closed nozzle Aoyama _ _ by the Hubei Chong Chong Electromechanical 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!