开孔尺寸：251.5X102X50.5mm
适用门宽：800-900mm
适用门重：100KG
停门角度：90º、115 º
开启角度：≤120 º
特性：中心臂双向开启型，两段速度可调，全方位可调，30万次疲劳测试

Dimensions: 251.5X102X50.5mm
Door leaf Width: 800-900mm
Maximum door leaf weight: 100KG
Door stop angle: 90º、115 º
Maximum opening angle: 120 º
Features: two-way open type of center arm, two-speed adjustable,
adjustable body in all directions, 300 thousand times fatigue test.