Foshan Dolphin Metal Products Co.,LTD |
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French panoramic window thermally broken glazed casement aluminum tilt and turn windows with screen
Product features and advantages
Functional variants
One piece with yarn
Inner open yarn fan + outer open glass fan, inner open yarn fan +
outer upper hanging glass fan
Performance | Parameter | National Standard |
Wind Load Resistance | 4.5<=p3>=5.0 | level 8 |
Air Tightness | 2.5<=q1<=2.0 | level 8 |
Water Tightness | 350<=△p>=700 | level 5 |
Thermal Insulation | 3.0>k>=2.5 | level 5 |
Sound Insulation | 35=<Rw+Ctr<40 | level 3 |
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