Dormakaba | Woodwood Door Controls

Dorma BTS 80 Floor Spring

The Dorma BTS80 floor spring  for self-closing doors,  with adjustable hold open facility or delayed action between 75 and 175 degrees. With the correct selection of accessories it enables use in a variety of applications including; single or double action, centre pivoted or off-set pivoted doors.

 

Call 01376 502 131 or email sales@woodwoodgroup.com for price and availability.

Features:

  • Fixed size spring strength (power size) EN 3/4/6
  • Max door width: 950mm (EN 3) 1100mm (EN 4) 1400mm (EN 6)
  • Max door weight: 300kg
  • Adjustable closing speed
  • Fixed backcheck
  • Delayed action (selectable alternative to hold open)
  • Adjustable hold-open (any angle between 75 and 100 degrees)
  • NOT suitable for fire doors
  • Successful independent testing to BS EN 1154

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