The DORMA bottom strap, accessory to suit BTS floor springs for Double Action:
1. Aluminium Doors 7422 (Adjustable to various frame profiles)
2. Timber Doors 7421 (Door weights up to 300 kg)
Specification
Drop forged steel, zinc-plated; adjustable to various frame profiles.
- Finish: Zinc Plate
- Material: Drop Forged Steel
- Suits Dorma BTS Series (e.g. BTS75V)
