This unit has been designed specifically for usage at main entrance doors in large institutions as well as Hotels, Airports etc. Where aesthetics is of prime importance while utilisation is optimal. Firmly anchored in floor these rugged hydraulic mechanisms offer reliable built-in-dead stop or constant closing power over the entire range of door swing. With the help of pivot set and cam of unit, the door is suspended assuring superior anchorage while eliminating the usage of screws which tend to keep pulling out. The Pivots provide support to the door from both the top and bottom and play a vital role in opening of the door without any shock to the user.