BTS80 [EN3] Floorspring Body and Box

The dormakaba BTS80 [EN3] Floor Spring Body and Box is a high-performance mechanical door closer designed for single and double-action doors. Perfect for commercial spaces like business parks, malls, and hospitals, it ensures smooth door operation for both pull and push movements. This versatile floor spring features adjustable closing speeds, mechanical backcheck, and a temperature-independent hold-open function for doors opened between 75° and 175°. With its robust design, it accommodates doors up to 950mm wide and a maximum weight of 300kg.

Features & Benefits

Features:

• Universal Application: Non-handed, suitable for single and double-action doors.
• High Capacity: Supports doors up to 300kg and 950mm wide.
• Adjustable Performance: Features adjustable closing speed, backcheck, and delayed action.
• Temperature-Independent Hold Open: Maintains hold-open functionality between 75° and 175°.
• Durable Build: Includes a cement box and zinc-plated components for long-lasting use.
• Hydraulically Controlled Closing: Ensures smooth operation with adjustable valves.

Benefits:

• Enhanced Door Control: Smooth, controlled closing with reliable backcheck prevents slamming.
• Versatile Functionality: Adjustable settings cater to various door sizes and operational needs.
• Robust and Reliable: Built to handle high-traffic areas and heavy doors.
• Fire Safety Ready: Includes sealing compound for wet conditions and fire compliance.

Applications:

• Commercial buildings like malls, offices, and hospitals.
• Suitable for glass, steel, aluminum, and timber doors.
• Ideal for high-traffic and heavy-duty installations.

Specifications

BTS80 [EN3] Floor Spring Body:

• Dimensions: 341mm (L) x 78mm (W) x 60mm (H)
• Weight: 7.1kg
• Max Door Weight: 300kg
• Max Door Width: 950mm
• Material: Zinc-plated steel
• Hold Open Range: 75°–175°
• Finish: Satin Stainless Steel

Included Components:

1. BTS80 EN3 Floor Spring Body
2. 7410 Cover Plate
   • Dimensions: 358mm (L) x 105mm (W) x 1.5mm (Thickness)
3. 8062 Adjustable Top Center
4. 7421 Bottom Strap for Double Action Doors
5. 2300 Sealing Compound

Additional Notes:

• Sealing Compound: Recommended for wet areas, prevents moisture penetration.
• Fire Compliance: Fills gaps between the floor spring and cement box, essential for wet or fire-rated installations.