1. Three-wings structure, applied to side hung window with standard European C groove profile.
2. Central axis of the pivot hinge is adjustable, the maximum ajustment per hinge is 1.2mm, available notch distance of sash and frame increase to 10.3-12.7mm.
3. Available gap between frame and sash is 3.5-5mm.
4. The maximum loading capacity is 80kg.
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