RFII series of nozzles (TY3532) fast response thermosensitive can expand coverage (maximum of 5.5mm × 5.5mm) to provide rapid response to expand the coverage (QREC) spraying. Products from the nozzle, detachable tray, disposable plastic protective cap of three parts. Separable decorative plate is 12.7mm fm vertical adjustment amount certified fire extinguishing foam products that can reduce the cutting precision short tube connection nozzle. Action: After the fire, the cover plate heat Chengdu fm foam extinguishing products certified by the fusible alloy welded joints of three melting off the cover plate, deflector on the guide pin drop to the working 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. Note: RFII series of nozzles may not be used in the ceiling of the upper air pressure is greater than the ceiling lower part of the place. Airflow through the support cup will slow down in the fire state drooping head of the operating time. Gold eutectic solder strength is low, should be carefully fitted, the cover plate to unreasonable stress, would cover plate joints cracked, the cover plate off. 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, 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. Guangzhou fm certification foam extinguishing products | fm certification foam extinguishing products | 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!