类型：液压暗藏型闭门器
性能及优点：二段速度调节，安装不分左右。可按要求定做90°定位。
适用范围：适用于最大门扇宽度为800mm-1100mm单向开启门，最大门重45-75kg。
闭门速度：两速独立调节 20-180 0 -20
使用温度：采用高强度冷冻油 可在 -45-65摄氏度使用
售后服务：采用进口防冻液压油，产品保用二年。
其他说明：符合国家QB/T3893-1999检验标准。
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度停门功能:开门达到90度时开始,门可保持停止状态.
关门速度和锁门速度可连续可调:从90度起关门速度最快可调到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.
延时关门功能:180-65度之间,工厂预设为20秒,可以轻易调节到至少1秒,方便老年人、伤残人士出入。
type： aluminum hydraulic concealed door closer
function and feature
The max width of door is 500-1000mm suitable fir the door weight is 45-75kilogram
Round and square can be chose ,service time is 500000cycles
The adjustable section of closing speed is 180-20 degree ,the adjustable section of locking is 20-0 degree
The painting plastic moving arm can prevent from eroding ,the excellent seal ring can prevent from oil leakage
Great quality alminum die -casting body and the three layers of brightness painting will prevent it from oxygenation
Two hydraulic pressure valves cnotrol two section of door closing speeds independently
High -carbon steel axis and rack work smark and less transmutative after being managed through high channel adjusting
With a function of stopping ant anchor point of 90degree and no anchor point of 180 degree
