Floorspring floor hinge Floor spring: For floor spring, we have following 7 models(with details of loading weight and suitable door size): Lg18 70kg 800mm Lg18b 70kg 800mm Lg28 80kg 1000mm Lg38 105kg 1100mm Lg68 150kg 1300mm Lg600 150kg 1200mm Lg78(door-top hinge) 80-100kg All floor springs have passed 300, 000 strict opening and closing test, meeting safe application standards. Lg18 70kg 800mm Lg18b 70kg 800mm Lg28 80kg 1000mm Lg38 105kg 1100mm Lg68 150kg 1300mm Lg600 150kg 1200mm Lg78(door-top hinge) 80-100kg
