door closer three speed adjust A163

1.three speed adjustment doorcloser A163
2.loading weight:45-75kgs
3.Closing speed adjustment: 180-20

three speed adjustment doorcloser A163(BACK CHECK FUNCTION)

new function:
it has three section speed adjustment ,with back-check function.
this model also have small and big shape to separate as request
1.The max width of door is 800-1200mm.suitable for the door weight of 45-75kgs.
2.The adjustable section of closing speed is 180-20degree, the adjustable section of locking is 20-0 degree.
3.The high-qualified aluminum alloy casted body and precisely sealing can avoid oil leakage.
4.Two hydraulic pressure valves control two sections of door closing separately.
5.passed the fire-testing by National Center for Quality Supervision and Testing of Fire Building Materials
6.hole distance:165mm*19mm
7.back check function means when open the door ,the power sections are separated into 3part,it would be more safe.
it would be more safe.
8.packing:1pcs/small box,10pcs/our carton,standard packing.
9.we can make screen printing of your brand on the body of doorcloser or as ur request