闭门器 大圆
发布时间 2010-07-04 11:50:44
产品描述
双段速度控制的范围：关门速度为180-15度，锁门速度为15-0度。
90度停门的功能：开门达到90度时开始，门可保持停止状态。
关门速度和开门速度连续可调：从90度起关门速度**快可调到3秒以内，缓慢关门达到40，秒以上。
缓冲功能：在开门超过65度后，闭门器能产生一定的阻尼力量，避免开门力过大，速度过快导致撞墙，并且其阻尼力量可调。
专业型。闭门器/大圆
Two stages speed controlled range:180°-15°,latching speed 15°-0°
90° Hold-open function :door can keep standstill when door is open at 90°
Closing & latching continous adjustment: the fastest closing in 3 seconds from 90°，slowly door closing above 40 seconds
Buffer function: door closer will create resistance to avoid too much forces, when open the doors and hit the wall by closing quickly &resistance can be adjustment.