Automatic Positioning Hidden Door Closer Sequencer Aluminum Automatic Positioning Concealed Hydraulic Buffer Door Closers Buffer Hydraulic Large 80kg Hardware Fittings
- 【Stop device】With a stop device, it can realize the mutual conversion between positioning and nonpositioning..
- 【Strive for accuracy】Hydraulic squareshaped shaft, speed control valve positive and negative force strive for accuracy..
- 【Features】Adopt sliding moving track, with firm connection, smooth sliding, and convenient to installation..
- 【High hardness materials】Made of highhardness aluminum material, strong and durable, with good durability and stability..
- 【2-level speed regulation】2stage speed regulation, tighten screw clockwise to reduce closing speed, loosen screw counterclockwise accelerate closing speed..