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产品说明： 1.采用高强度铸铝合金本体，可连续开关50万次毫不损坏。
2.精密机械加工的传动活塞与齿轴设计，用特殊的高强度钢制造，
确保闭门器长时间宁静高效运作。
3.本产品内置防冻液油，可在-40℃~ +40℃正常动作。
4.可选择缓冲功能减少被推至最大开角度时的震动。
5.本机体设有两个调节阀螺钉，当螺钉1按顺时针方向旋转时，
第一速度减慢，反之增快；当螺钉2按顺时针方向旋转时，第二速度减慢，反之增快。
6.可选择在90-180度间的定位装置。
7.可根据门重和门宽选择不同的型号来安装。
8.可安装在防火门上，自动关门隔离空调、烟雾、异味、火势、蔓延；
安装在防盗门上，可防止陌生人进入，有防盗作用。
9.超薄型隐藏闭门器容易安装在门框内，提高观赏上的美化装饰，
特别适合在酒店宾馆的房间安装，可随意安装在左手门或右手门，
不用调整，安装时不分左右安装一样方便。
10.载重范围：80KG 适用范围：
家居、宾馆、写字楼、商场、厨房门、通道门、卫生间门、防盗门。 1. Adopting high strength die-casting aluminum alloy, it will not
occur any damage when using 500,000 times
2.The exquisite design of process piston and wheel, make closer to
operate quietly and efficiently for a long time.
3.This product adopts anti-freezing pressure oil, so it can operate
normally ender 40 ℃ to above 40 ℃.
4. Choosing the function of cushion to reduce the shake of pushing
the door at most angle.
5.This machine have two screw of regulating valve, which regulate
respectively speed from 0---30 degree and from 30---90degree.
6.Choosing locate set at 90---180degree
7.It can choose different model to install according to weight
and width of door.
8.It can close the door automatically to divide an air condition,
smoke, strange smell and fir speeds when installing on the door of
anti-fire; it can also guard theft when installing on the door of goading theft.
9. The concealing door closer of super thin type can install easily
on
the frame of door, and improve beautiful decorate of look,; it is fit
for installing the room of hotel and cabaret, and it can also install
on the left and right hand door, do not need to adjust.
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