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. Downward airflow through the support cup will slow in the next state fire sprinklers operating time. Gold eutectic solder strength is low, care should be taken to install FM Approved sprinkler products most good, the cover plate discontinuity when the best FM Approved sprinkler products, will make the cover plate joints cracked FM certification spray products, the cover dish off. 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 vertical adjustment amount is 12.7mm, can reduce the cutting precision short tube connection nozzle. FM certification spray products manufacturers, Hankou FM certification spray products, 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!