Dorma BTS75V No H/O F/Spring FS075-SS-M

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our price: £138.99

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Dorma BTS75V floorspring with cement box and spindle. Whether standard, narrow or wide, whether LH, RH, or single or double action ? DORMA BTS 75 V door springs are designed for all types of door.

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  • EN 1-4
  • Max door width:1100mm
  • Will exert an opening force of 30N or less when fitted to a fire door (size EN3) measuring 767mm and above
  • Max door weight: 120kg
  • Adjustable closing force
  • 2 valve control of closing speed
  • Fixed backcheck
  • Adjustable sweep speed
  • Adjustable latching speed
  • Delayed action option
  • Successful independent testing to BS EN 1154
  • CERTIFIRE approved for fire doors CF127 ITT60/MM/IMM240
  • CE Marked
  • Optional mechanical hold-open

The following additional information is available for this product

A comprehensive program of accessories ensures that they can be used successfully with a wide variety of door constructions and floor coverings. Thanks to a wide range of functions, which can be individually selected to suit different requirements, DORMA BTS 75 V floor springs offer maximum reliability and quality.
Certified to ISO 9001.

 
  

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