FH-313/FH-315
Name:Floor Spring
Application: Single or double-acting doors
Agency certification: In compliance with 500,000 times, passed test according to the requirement of China QB/T2697
Door Weight: 150kg/250kg
Closing Force: EN3/EN4
Door Width: <950mm/1250mm
Version: With hold-open function for door opening angle 90°
Adjustment Facility: Closing force, closing speed and latching action continuously adjustable