The main difference between closed and open sprinkler nozzle is: closed nozzle with a release mechanism, and open sprinklers not release mechanism. Glass bulb sprinklers. Glass bulb sprinklers by a water spout, glass balls, frame, deflector, gaskets and other components. Glass balls are heat-sensitive element a certain amount of built-in color expansion of the fluid, also called nozzle release mechanism, there is a small bubble, the normal state closed open nozzle inside the ball, glass ball against the nozzle gasket, when a In case of fire, the liquid heat expansion of ball pressure rise within the closed open sprinklers professional, when the pressure reaches a predetermined value, the glass ball burst, gaskets loss of support, pressure water spray fire. Sprinklers should be placed in the roof or ceiling easily accessible to the fire hot air and water distribution in favor of a uniform position. When there is an obstacle near the nozzle closed open sprinklers price, it shall comply with this specification or additional compensation for water density of nozzles. Upright, pendent sprinklers arranged Aoyama closed open nozzle, including the same root with the water manifold nozzle spacing and water distribution manifold spacing between adjacent, should be based on water density of the system, nozzle flow coefficient and pressure is determined, and It should not be greater than specified in Table 7.1.2, and not less than 2.4m. Qiaokou closed open nozzle, Jianghan closed open nozzle, a mechanical and electrical Anyuan Anyuan by the Hubei Chong 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!