Overhead door closer OTS 430
The overhead door closer OTS 430 is ideal for single-leaf doors with leaf widths up to 1250 mm. It is tested and certified according to EN 1154 in closing force sizes EN 2-5 and features a continuously adjustable closing force from the side as well as front-adjustable valve functions for closing and latching speed. Thermomatic valves ensure consistent closing performance in case of temperature fluctuations, while safety valves protect the closer against overload. With a maximum opening angle of 180°, the door closes in a controlled manner from any angle. Optionally, a mechanical hold-open arm and a continuously adjustable opening damping (type BC) are available.
Modern door closers for standard and project solutions
Our door closers combine maximum functional reliability and durability with flexible adjustment options. They ensure reliable and secure door closing, enhance fire protection and burglary resistance, and contribute significantly to the energy efficiency of buildings by ensuring tightly closing doors.
Fire protection
Secure closing of doors effectively prevents the spread of fire and smoke within the building.
Functional reliability
Thermomatic valves ensure consistent closing performance in case of temperature fluctuations, while integrated safety valves in the closer provide protection against overload and vandalism.
Flexibility
Various adjustment options and installation types ensure high flexibility and optimal adaptation to different door situations.
Energy efficiency
Consistently secure closing of doors significantly increases the energy efficiency of a building, as neither cold nor heat can penetrate.
Areas of application
- Single-leaf fire and smoke protection doors
- Door leaf width max. 1250 mm
- Suitable for DIN left and DIN right
- Maximum door opening and closing angle 180°
Installation types
- Standard installation on hinge side
- Head installation on opposite hinge side
Technical data & standards
| Technical data | OTS 430 | |
|---|---|---|
| Application | ||
| Max. door leaf width [mm] | 1250 | |
| Max. door opening angle | 180° | |
| Approved for use on fire doors | x | |
| Dimensions | ||
| L x H x D [mm] | 236 × 58 × 44.5 | |
| Adjustment functions | ||
| Closing force according to EN 1154 | 2–5 | |
| Closing speed | x | |
| Latching speed | x | |
| Opening damping | Type BC | |
| Accessories | ||
| Mechanical hold-open | optional | |
Standards and safety requirements
Our OTS 430 door closers meet the highest standards. They are approved for fire doors and tested according to EN 1154, ensuring maximum safety and comfort.
door closing device with controlled closing sequence
DIN EN 1154 refers to door closing devices with controlled closing action. This standard specifies the requirements and test methods for door closers used on swing doors to ensure that they can reliably close again after opening. The classification of door closers according to this standard is based on criteria such as application class, durability, door closer size, and suitability for fire and smoke protection doors.
suitability for fire protection
Approved for use on fire and smoke protection doors
