Model Number: HSD 660/660S Brand Name: HUISDA , LANGN Key Specifications/Special Features: Maximum door width: 1100mmMaximum door weight: 135kgMaximum single-action angle: 116° with 90° auto-orientation fittingOrientation can be customizedPerpendicular and the height of the door can be adjustable by 6mm±2° adjustment is possible in zero position aligning

Whole hydraulic pressure in door, two sections speed control of closing door

Regulating position is 90 to 25° and 25 to 0°C can be operate from 0 to 360°

Suitable for double-door that is needed to open wider, also for single door that can be opened to 180°

Hold points are 90 and 270°

Door can stop at any points from 95 to 265°, which represents more vacancy possibly obstructed by glass door

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

Passed 500,000 opining/closing times test

Can produce the interchangeable spindle