Suitable for twin direction opening door,with 90` auto-orientation fitting, maximum opening angle of door plank is 120`, or cust

Suitable for twin direction opening door,with 90` auto-orientation fitting, maximum opening angle of door plank is 120`, or custom-made for the request.Can adjusting the perpendicular, adjusting length 6mm, width 6mm, at adjusting zero state, can adjust +-2` lengthways.Two sections closing door comtrol adjusting valve, adjust the closing door speed on angle 90`-25` and 25`-0` separately.With a constant temperature fitting, can keep a steady closing speed on the change of the difference in temperature.Built-in decompressing valve to prevent damage of itself or the door in case of extreme exterior pressure of door closing in strong wind.Pleased 400,000 time opening-closing test.

Our company also sell no brand item of this model, and it's cheaper than the brand one

Floor Spring