Dorma BTS 75 V Hold Open Floor Spring
Dorma BTS75V-H.O floor spring is for self-closing doors, but with the added benefit of a hold open facility at either 90 or 105 degrees (by model selection). With a selection of accessories it enables use in a variety of applications including; single or double action, centre pivoted or off-set pivoted doors.
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- Adjustable spring strength (power size) EN 1-4 to give the correct amount of closing force
- Max door width: 1100mm
- BS8300/ADM compliant:
- Max door weight: 120kg
- Fixed backcheck
- Adjustable sweep speed
- Adjustable latching speed
- NOT suitable for fire doors
- Optional hold open at 90 or 105 degrees (depending on model selected)