Floor Spring with 360-degree, Auto-orientation, Passed 500,000 Opening-closing Times Test

Model Number: HSD 7315V Brand Name: HUISDA , LANGN Key Specifications/Special Features: 1. No need of drill width when installing this floor spring, more convenience to install, due to it is narrow design and body of floor spring being merely 77mm width2. Max door width: 1200mmDoor weight: 90 to 135kgSingle-action max door angle: 116° and with 90° auto-orientation fittingOrientation can be made according to clients' demandPerpendicular and height of door can be adjustable by 6mm ±2° adjustment is possible in zero position aligning3. Whole hydraulic pressure in door, two section speed control of closing doorRegulating position: 25 to 90 and 0 to 25°Exclusively meant HSD90VCan be operated from 0 to 360°, suitable for double door that is needed to open wider, also suitable for single door that can be opened to 180°Holds points are 90° and 270°Can stop at any points from 95 to 265°, which represents more vacant possibly obstructed by glass door
4. Constant temperature set assures steady speed of closing under big difference in temperature
Built-in decompressing valve can prevent door from damage in case of extreme exterior pressure or strong wind
5. Passed 500,000 opening-closing times test
Can produce interchangeable spindle