What is a floor spring?The floor spring is a hydraulic door closer, but the device that presses the spring is a worm gear rather than a gear rack. Because the worm gear can rotate in both directions, the floor spring can be used for doors that open in both directions, while the door closer can only

Floor spring mainly for glass door and heavy duty door.Floor spring door closers provide the functionality of an overhead door closer but are fitted in to the floor. They are particularly suitable for heavy doors and high traffic locations. As a concealed unit they leave the door with a clean aesthe