Dorma Floor Spring BTS84 EN4 (with 8410 Cover Plate)
The Dorma BTS84 EN4 is a compact, reduced-depth double action floor spring designed for aluminium and toughened glass doors. Supplied complete with a cement box and 8410 cover plate, it provides a neat, low-profile installation for medium-width commercial doors.
Key Features
- Compact reduced-depth floor spring for aluminium and glass doors.
- Double action operation.
- Supplied with cement box and 8410 cover plate.
- Available in hold-open and non-hold-open configurations.
Specifications
Suitable Uses
- Aluminium framed doors.
- Toughened glass doors.
- Commercial doors requiring a compact floor spring.
Available Variants
Item Code Family
Frequently Asked Questions
Is this floor spring fire rated?
No. The BTS84 EN4 is not fire rated.
Does this model include mechanical backcheck?
No. This model does not incorporate a mechanical backcheck.
When should BTS80 be selected instead?
For heavier, wider or wind-loaded doors, the BTS80 floor spring is recommended.
Additional Information
- The BTS84 range is selected where reduced installation depth is critical.
- Hold-open selection should be confirmed at installation.
- Commonly specified in Australian commercial aluminium and glass door systems.
