D and D provides a wide range of products for wooden and metal door applications.
such as Stainless Steel Door Hinges, Door Locks, Lever Handles, Door Closers, Exit Devices, Door Stopers, Door Bolts and Door Accessories etc, not only door hardware but also Door Opening solution.
The D and D door set product category covers mortice locks, European profile cylinders, lever handles and hinges. Since the dimensions of all these products comply with DIN standards (DIN 18251 for mortice locks, DIN 18252 for profile cylinders and DIN 18255 for lever handles), the products are compatible amongst themselves regarding their functionality. All parts of the functional units are also perfectly aligned with each other.
Hydraulic door closers are a very popular option amongst users for a number of reasons. This door closer is quite universal. It is a liquid-operation door closer type. It is available without and without hold pelmet open system; it enables the door to remain ajar at a 90-degree angle. And if you need it to come back in position, a slight push is more than enough. The latch system of the hydraulic door closer is endowed with latch system which controllable to increment or restrict the closing resistance of doors from air, tightness, latch, or door seals. The latch system is such that it can easily be used in doors with security locks. The closer will help close the door without making noise. As far as sweep speed is concerned, the sweep control is utilized to adjust and regulate the speed of the door as needed by users from the main arch of the closing sweep.