Dorset is a trusted door control systems manufacturer. The company manufactures door control systems like door closers and floor springs. The concealed door closers have easy and accurate two valve opening. These door closers also have high quality hydraulic pressure oil and special O-ring seals to avoid leakage. The door closers have been tested for 5, 00,000 cycles and have pressure die-cast body in aluminum alloy. The floor springs are specially designed for swing doors with both side openings. These door control systems have strong body with long lasting durability. The products can be selected based on weight of the door. Also, these products are fire rated.