OTS 73x FL BG door closer set
with slide rail, with free-swing function
The OTS 73x FL ensures barrier-free effortless passage through fire protection doors. The integrated electrical free-swing function can be activated from an opening angle of 0° and allows the door to move freely as if no door closer at all were fitted. Safe and reliable door locking is still ensured in the event of a fire. This makes OTS 73x FL door closers perfect for use on fire protection doors in kindergartens, schools, hospitals and residential homes for the elderly – standard-compliant for barrier-free construction in accordance with DIN SPEC 1104 and DIN 18040.
Solution for 1-leaf doors with door leaf widths up to 1400 mm
Also suitable for use at double-leaf doors together with the SRI door-leaf coordinator from the OTS 73x modular system
tested and certified in accordance with EN 1154 and EN 1155
Tested and approved by DIBt (German Institute of Building Engineering)
With electrically integrated free-swing function, can be activated from an opening angle of 0°
Operating voltage: 24 V DC
Power consumption: 2.4 W
Duty ratio: 100 %
Smallest dimensions:
OTS 73x FL closer body (L x H x D): 319 x 65.5 x 45 mm, including cover
GS slide rail (L x H x D): 482 x 46 x 22 mm
Valve functions:
Closing speed
Latching speed
No special components required:
All components of the modular system in the OTS 73x series can be usedUniform drilling-hole pattern with all door closers of the OTS 73x series
Optional: opening restriction which can be integrated in the slide rail and is retrofittable
| Classification code in accordance with EN 1154 | ||||||
|---|---|---|---|---|---|---|
| OTS 735 FL BG | 4 | 8 | 5 | 1 | 1 | 4 |
| OTS 736 FL BG | 4 | 8 | 6 | 1 | 1 | 4 |
- Door closer type: Surface-mounted door closer with slide rail
- Number of door leafs: Single-leaf
- Maximale Türflügelbreite (1-flügelig, in mm): 1400
- Function: Approved for fire and smoke protection doors, Barrier-free construction in compliance with DIN 18040 and DIN SPEC 1104, Freewheel function, Hold-open system according to EN 1155, Tested and approved by DIBt (German Institute of Building Engineering)
- Application/installation type: Standard installation on side opposite to hinges (BG), Transom installation on hinge-side (BS)
1-leaf fire and smoke protection doors
1-leaf swing doors
Min. door leaf width 600 mm
Max. door leaf widths
1250 mm (OTS 735 FL BG)
1400 mm (OTS 736 FL BG)
DIN left and DIN right usable
Also suitable for use at 2-leaf doors together with the SRI door-leaf coordinator from the OTS 73x modular system
Standard mounting opposite to hinge-side (BG) and transom mounting hinge-side (BS)
Max. door opening and closing angle: 120°[1]
Max. free-swing angle approx. 120° – 125°
[1]Depending on installation situation. Position door stop for max. door opening angle.
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