70 series inner casement window [K value 2.0]

Width of heat insulation strip: 30
Glass configuration: 6Low-e+12Ar+6+19Ar+6 (double warm sides)

Insulation performance [w/(m k)]: 2
Corresponding energy consumption level: low energy consumption

Water tightness (Pa): 6
Air tightness [m3/(m h)]: 8
Wind pressure resistance (KPa): 9
Sound insulation performance (dB): 37
Compatible fire integrity (t/min): 60
Open fan width range: 390mm-1200mm
Open fan height range: 600mm-1800mm
Hardware load bearing: 100kg
Maximum opening angle: 90°

Product performance will vary due to different window types and areas, please refer to the actual situation for details