China Factory of UPVC Profile Profiles for Plastic Window Frame

Lumei 70 System which applies advantage design ideas such as section bar design featuring six cavities, thick wails arid large sections, energy-saving glass installation design and unique wall installation technologies at door openings is the most high-end energy-saving window and door system in China. This product is especially suitable for severe cold areas, which is mainly used in the window and door systems of villas and high-end civil buildings
The advantages of 70 open doors and windows series:
- The main section bar with a six-cavity structure has good thermal-insulating and energy-saving effects, which is one of the most high-end section bar systems in the current market.
- It applies independent drainage cavity design to improve the drainage performance of finished windows.
- It can be designed into in-swinging casement windows, inward tilt-turn windows, fixed windows, etc.
- Through connection materials, it can form connection in any angle.
- It can be equipped with three-layer and double-layer hollow glass at large intervals.
- With simple, utility and highly operable technologies, it is suitable for industrial production.
- 4-level air tightness, 3-level water tightness, 4-level wind pressure resistance and 8-level thermal insulation.

Energy Saving Index ParametersProfile structure: 6 charmbers with triple seal Heat transfer coefficient: uf=1.0w(k.m2)Wind load resistance: up to 6500Pa

Different requirements for heat transfer coefficientGlass Maching1.8w/(k.m2)1.05 (5+12Ar+5+12A+5Low-E) Triple glass2.0w/(k.m2)1.42 (5+12A+5+12A+5) Triple Glass2.1w/(k.m2)1.45 (5+9Ar+5+9A+5) Triple Glass2.4w/(k.m2)1.52 (5+9A+5+9A+5) Triple Glass2.6w/(k.m2)1.36 (5+12Ar+5Low-E) Double glass2.0w/(k.m2)1.9(5+12A+5) Double glass2.1w/(k.m2)1.75 (6+9A+6) Double glass

70mm uPVC Profile use for Triple seal and Double glass window