供应多功能液压合页闭门器

维持静态区间（80°—180°）

门可任意停住的空间

快速关闭区间（45°—80°）

门可任意关闭的区间

缓慢关闭区间（15°—45°）

为了安全、缓慢关闭的区间

完全关闭区间（0°—15°）

稍微快的速度，完全关闭的区间

The door can be arbitrary stopped between 80°and 180°

The door can be arbitrary closed between 45°and 80°

The door can be slowly and safely closed between 15°and 45°

The door can be fully and slightly fast speed closed between 0°and 15°