DS-1 Series K = 80 fast / standard response, standard coverage upright / hanging / horizontal sidewall dry sprinklers (DSB-2 Dry sprinklers insulating glands) dry sprinkler takeover through the cold storage insulation in walls, insulation When the ceiling, fm certification foam fire extinguishing products, between the pipe and the insulation will produce an air gap, Chengdu fm certification foam fire extinguishing products, resulting in leakage of cool air along the wall, can damage dry sprinkler takeover seal. In order to take over and nozzle plugging the gap between insulation, dry sprinklers must be ordered when ordering DSB-2 Dry sprinklers insulating glands. Action: After the fire, the cover plate is heated, Shenyang fm foam extinguishing products certified by the fusible alloy welded joints of three melting, Guangdong fm certification foam fire, cover plate off, splash plate guide pins on the whereabouts of the operating position . Thermal expansion of liquid inside the glass bulb. When reached nominal operating temperature, the glass bubble burst, sprinklers watering action. RFII series concealed pendent sprinklers only RFII series hidden a metallic appearance or the appearance of white paint cover plate for authentication together. Chongqing fm certification foam fire extinguishing products, Xinjiang fm certification foam fire extinguishing, 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!