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UFSO135 Underfloor Door Operator

The UFSO135 under floor automatic swing door operator is ideal for internal doors. Due to it’s shallow floor box, measuring only 135mm deep which can be easily accommodated within a raised floor void. Therefore the clean lines of the partitioning system or historic features around the door can be preserved.




  • Silent operation
  • Adjustable closing speed
  • Adjustable opening speed
  • Fixed mechanical back-check
  • Adjustable spring tension
  • Minimum door width 800mm for a pivoted door, 750mm for a hinged door
  • Max door width 1000mm
  • Max door weight 120Kg
  • Low Energy, continuously rated door operator for manual or automatic use
  • Activation via sensor, push switch, access control or fire alarm
  • Air Driven – separate compressor & control required.
UFSO135 Underfloor operator layout | Woodwood Door Controls
UFSO135 St John's College Cambridge | Woodwood Door Controls

A pair of UFSO135 door operators, activated via push switch in the St John’s College Cambridge Divinity School.

UFSO135 mounted at 90 degrees | Woodwood Door Controls

Floor box mounted at 90 degrees to the door to avoid services, with a bespoke cover designed to house the floor finish.