Doors & doors system [india] private limited develops and manufactures the floor springs model no. Ts 550 is. The system contains an integrated invisible closing series control. The closing speed and latching action are adaptable. A safety valve prevents deliberate overloading. The door closer can be used for right and left hand single-action doors with leaf widths up to 1400 mm and a weight up to 250 kg. It is also appropriate for leaves with different widths.