Sequencer Fire Door Coordinator, Heavy Duty Stainless Steel Double Opener Door Device for Spring Door Closing Sequence Setting

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Product description

  • Professional Design --- The fire door coordinator is specially designed for fire doors and is installed on the inner top surface of the door frame. It is a device that controls the closing sequence of two doors opened in pairs to ensure safety and reliability in emergency situations.
  • Surface Treatment --- The surface adopts brushed polishing process, which can effectively prevent rust, scratch and oxidation, with stable performance and excellent production.
  • Silent Pulley Bearing --- It adopts silent spring bearings, which are smooth and tight, no noise, strong, ensuring clear and orderly passages and smooth and safe traffic.
  • Reliable Closure --- The fire door is equipped with a closing sequencer, which can achieve accurate sequential closing, ensure the protection of the door frame and door leaf, and facilitate entry and exit.

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