1. Door closers used for KFC doors: The door closers of the door body are adjustable in opening and closing speed, and the two-stage adjustable speed can be easily applied. The rocker arm part of the door closer is designed as a lock catch. Under special circumstances, when the door needs to be opened for a long time, the connecting part of the door closer can be disconnected only by opening the lock catch. When the door closer needs to be used, the lock catch can be locked without using other hardware tools such as wrenches, which is convenient to use.
2. KFC door shaft part: imported alloy bearing, unlike similar products in the general market, solid shaft design, special supporting products, which can adjust the clearance of the door body in all directions.
3. The door lock and bolt of KFC door body: Imported cardan series door locks are adopted, and the products are qualified products of national aluminum alloy door hardware fittings.
4. The surface treatment of KFC door body is frosted electrophoresis silvery white, with high gloss and strong corrosion resistance, which can ensure that it will not fade or deteriorate for decades. However, the surface treatment of imitations is only a simple aluminum oxide coating, and the texture is very poor.
5. Design technology of KFC door: the sealing groove is added to the door frame, and the sealing tops are added to the side seams of the door leaves, which overcomes the design defects of the previous two generations that were not fully sealed, thus achieving the effects of wind-proof, dust-proof, sound-proof and sealing, and is especially suitable for cold areas in the north.