Dormakaba BTS80 EN4 Floor Spring Combi Packet – Aluminium
Key Features
- Complete BTS80 floor spring combi packet with essential fittings.
- EN4 spring strength for medium to heavy doors.
- Suitable for single and double action doors.
- Hydraulically controlled closing cycle from approximately 175°.
- Mechanical backcheck to help protect doors and surrounding structure.
- Adjustable hold open between approximately 75° and 175° (removable).
- Integral pressure compensation for temperature independent performance.
- Non-handed design for flexible installation.
Specifications
- Item Code: DOBTS804A
- Model: BTS80
- Spring Strength: EN4
- Door Type: Single or double action
- Maximum Door Width: 1100 mm
- Maximum Door Weight: 300 kg
- Hold Open: Adjustable 75° to 175° (removable)
- Backcheck: Yes
- Fire Rated: No
- Finish: Aluminium
What's In The Box
- BTS80 floor spring body
- Cement box
- Standard spindle
- Cover plate
- Bottom door strap
- Top centre fitting
- Sealing compound
Suitable Uses
- Glass or aluminium framed doors requiring concealed closing.
- Commercial shopfront and entry doors.
- Internal pivot doors in offices, retail, and public buildings.
- Single or double action door applications.
Dimensions
Frequently Asked Questions
- Is this floor spring suitable for fire doors?
No. This configuration is not fire rated and should not be used on fire door assemblies. - Can this be used on double action glass doors?
Yes. The BTS80 is designed for both single and double action door applications. - What is a common installation mistake to avoid?
Incorrect positioning of the cement box can cause poor door alignment. Accurate floor preparation and positioning are essential.
Additional Information
- The BTS80 is commonly specified in commercial shopfronts where a concealed closer is preferred.
- Hold open function is mechanical and should not be used on fire doors.
- Proper floor preparation and alignment are critical to long term performance.
Technical Drawing
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