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YXYT aluminum single hung windows feature a vertically operable design with one movable sash (bottom) and one fixed sash (top). The bottom sash slides upward along vertical tracks to open, while the top sash remains stationary—striking a balance between ventilation and structural simplicity.
Ideal for spaces where vertical opening clearance is available (e.g., bedrooms, kitchens), single hung windows save horizontal space compared to sliding windows and offer controlled ventilation (via the bottom sash). Their straightforward mechanism ensures easy operation and low maintenance, making them a popular choice for both residential and light commercial buildings.
| Parameter Item | Standard Configuration | Premium Upgrade Configuration |
| Profile Material & Thickness | 6063-T5 aluminum alloy (frame 1.8mm/sash 2.0mm) | 6063-T6 aluminum alloy (frame 2.0mm/sash 2.8mm) |
| Thermal Conductivity | 3.1 W/m·K (with 12mm PA66 thermal barrier) | 2.7 W/m·K (with 14mm reinforced thermal barrier) |
| Wind Load Resistance Class | 3.2 kPa | 4.8 kPa |
| Water Tightness Performance | ≤0.12 L/m²·h | ≤0.06 L/m²·h |
| Air Tightness Performance | ≤0.28 m³/(h·m) | ≤0.12 m³/(h·m) |
| Maximum Glass Size | 1200mm × 1500mm | 1500mm × 1800mm |
Opening Principle: The bottom sash is connected to a balance system (coil spring or torsion bar) that counteracts its weight, allowing smooth upward sliding. When fully open, the sash is secured by a locking mechanism to prevent accidental closure.
Ventilation Control: The opening range is adjustable (typically up to 50% of the sash height), enabling controlled airflow without full exposure. This makes it suitable for rooms requiring partial ventilation (e.g., bedrooms for night-time airflow).
Safety Features: The fixed top sash reduces fall risks, making single hung windows ideal for children’s rooms. Premium models include anti-slam devices to slow the sash’s descent, preventing pinched fingers.
Weather Resistance: A system of overlapping sash edges and weatherstripping creates a tight seal when closed, minimizing air and water infiltration. Tracks include drainage channels to divert rainwater away from the frame.
This design combines practicality and reliability, making single hung windows a versatile choice for spaces prioritizing vertical operation and controlled ventilation.
