Our company is a Texas fire products designated manufacturers, professional production of stainless steel damper damper, smoke damper, exhaust valves, fire fans and other products, all through the National Fire Testing Center, FH-FVD2 damper features: usually always open, fuse operating temperature 70 ℃. When the temperature of the air inside the duct reaches 70 ℃, fusible film fuse, the valve automatically closes under the force of the torsion spring. When the valve is closed, the output signal is turned off. 280 ° smoke damper manually shut down, manual reset open. PY-SD PY-BSD exhaust valve exhaust valve remote control features: DC24V electrical signal can quickly open the valve. Manually open. Output Enable signal, interlocking exhaust fan. Manual reset closed. PY-BSD exhaust valve can be opened manually remote control, remote control manual reset closed. PY-SFD smoke damper PY-BSFD remote control smoke damper features: input DC24V power control center, quickly open the valve. Manually open. Output Enable signal, and fire row machine interlock. Manual reset closed. 280 ℃ temperature sensor movement, re-close the valve. PY-BSFD remote control can be far away from electric smoke damper open, manually open, manually shut down. 1. The construction and installation of fire dampers can edit and fan, exhaust fan interlock. 2. The operation of the valve mechanism side should be not less than 200mm of headroom to facilitate maintenance. 3. Install the valve must be checked before the valve operating mechanism is intact flue damper, the action is flexible and effective. The damper should be installed in the duct segments close to the wall or floor, the fire dampers on both sides of the partition wall from the wall surface should not exceed 200mm, dampers and pipe insulation material on both sides of each 2.0m wide should be non-combustible material. 5. The damper should set up a separate hanger to prevent pipe deformation affecting its performance in case of fire. 6. damper fuse should be installed in a large piece of the side facing the fire risk. Explosion damper damper Jiaozuo _ _ Rui Xincheng Rui Xincheng air conditioning provided by the Texas Air Conditioning Equipment Co., Ltd .. Texas Rui Xincheng Air Conditioning Equipment Co., Ltd. (www.dzrxckt.com) strong, credible, in Dezhou fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Rui Xincheng air conditioning and you hand into the brilliant, for a better future!