
Dorma Closer TS77 BC EN3 (DC76231601) - Silver
The Dorma TS77 BC EN 3 is a standard overhead surface mounted door closer designed for common internal door applications. It features a fully hydraulically controlled closing cycle with separate valve adjustment for the main closing speed and latching speed, allowing reliable and consistent door control.
Key Features
- Non-handed door closer suitable for left or right hand doors.
- EN 3 spring strength for standard internal doors.
- Fully hydraulic closing cycle.
- Closing speed adjustable between 180 degrees to 20 degrees via valve.
- Latching speed adjustable between 20 degrees to 0 degrees via valve.
- Supplied with standard arm assembly.
- Optional hold-open function when used with a compatible hold-open arm.
Specifications
- Item Code: 03002021
- Manufacturer Reference: DC76231601
- Product Type: Overhead surface mounted door closer
- Closer Model: Dorma TS77 BC
- Spring Strength: EN 3
- Maximum Door Width: Up to 950 mm
- Adjustments: Closing speed and latching speed via valve
- Arm Assembly: Standard arm
- Finish: Silver
- Fire Rated: No
What's In The Box
- 1 × Dorma TS77 BC EN 3 door closer body
- 1 × Standard arm assembly
- Fixing screws (as supplied by manufacturer)
Suitable Uses
- Standard internal doors in residential or light commercial settings.
- Offices, meeting rooms, and internal corridors.
- Doors where basic controlled closing is required without fire rating.
Dimensions
| Dimension | Size |
|---|---|
| Length | 180 mm |
| Width | 65 mm |
| Height | 43 mm |
| Weight | 1.7 kg |
Frequently Asked Questions
- Is this door closer suitable for fire doors?
No. This TS77 BC EN 3 model is not fire rated. - Can the closing speed be adjusted?
Yes. Both the main closing speed and the latching speed are adjustable via valves. - What should be used for heavier doors?
For particularly heavy doors or doors exposed to wind resistance, a higher performance closer such as the Dorma TS83 is commonly specified.
Additional Information
- The TS77 BC is often chosen for its compact size and straightforward adjustment.
- Correct valve adjustment helps prevent slamming while ensuring reliable latching.
- For doors exposed to air pressure or frequent misuse, installers typically move to a higher EN-rated closer.