KAK Hydraulic Buffer Automatic Door Closer 25KG to 80KG Adjustable Speed Door Closing Equipment Mute Soft Closing Door Hardware

KIND NOTICE We have normal type and 90 degree positioning type.Normal type is the most popular design, choose the type you need when you pay the order.Black color may be easier to be scratched in the way, if you receive it with any problem, please don't leave feedback, please contact us to solve it immediately, thank you a lot  SPECIFICATIONS   Applicable scenes: Market's access door, Apartment door, Hotel's gate, House's gate, etc.Service Time: Test 400,000 timesColor: Black/SilverType: 2 springs inside, Universal 180 degree no positioning and 90 degree positioning type.Suggestion: The speed of closing from 180 to 15 degree should be little fast, and the speed of latching from 15 to 0 degree should be little slow, so that the door can be closed and avoid to be damaged.      3 SIZE DETAILS Small SizeBearing Weight: 25-45KG /        Door Frame: 500-1000mmMedium SizeBearing Weight: 45-65KG       /        Door Frame: 600-1200mmLarge SizeBearing Weight: 60-80KG       /        Door Frame: 900-1300mmBuilt-in high tenacity spring, quiet and no noise.Adjust speed to control the door closing speed.Clockwise to slow down, Counter clockwise to speed up.Notice: Adjusting screws can not be out of surface of the door closer body, otherwise the doorcloser can not be used.Choose door closer size according to your door size and weight.EASY INSTALLATIONInstalled at a distance of 9-10 cm from the hinge.