1. Door closers for KFC doors: The door closers have adjustable buffering speed, and two-stage speed regulation 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. When the door closer is needed, 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, different from similar products in the general market, solid shaft design, special supporting products, which can adjust the door gap in all directions.
3. KFC door locks and latches: 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 silver-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 door frame is provided with a sealing groove, and the side seam of the door leaf is provided with a sealing top, which overcomes the design defect of incomplete sealing in the previous two generations and achieves the effects of wind-proof, dust-proof, sound insulation and sealing, and is especially suitable for cold areas in the north.