Historical manufacturer reference
BKT 57
A historical thermally separated aluminium window and door system, preserving the BKT identity printed in the Benkam catalogue.
Historical catalogue evidence. Current model status and technical revision require confirmation.
- Window frame depth
- 49 mm
- Door frame depth
- 57 mm
- Casement depth
- 57 mm
- Visible casement width
- 62–92 mm
- Thermal bridge width
- 17 mm
- Minimum filling
- 4 mm
- Maximum filling
- 30 mm
- Hardware grooves
- EURO 14–18 (A01); PVC (A28)
Manufacturer references are not confirmation of AkfaMukhtar stock or local supply. Confirm the supplied model, configuration and applicable technical revision with AkfaMukhtar before specification.
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