※The vertical line of the door can be adjusted on the body, the length is 6mm, the width is 6mm, and the soil can be adjusted vertically by 2 degrees when calibrating the zero position.
※(Only for 828V type floor spring) This model can open 0-360 degrees, especially suitable for two-way opening of large-angle doors or one-way opening to 180 degrees
Door use.
※(Only for 828V type floor spring) Set a 90-degree automatic positioning device, when one-way open to 110 degrees (110° -255° ), arbitrary positioning is set up
The device can greatly improve the utilization rate of the space obstructed by the door.
※Double-stage closing control valve, respectively adjust the closing angle of 90° -25° and 25° -0° closing speed. Can be made according to requirements
Bit device.
※The constant temperature device can also maintain a stable door closing speed under a large temperature difference.
※Built-in decompression device to prevent damage to [] or the floor spring due to external strong pressure or closing the door under strong wind.
※Experimental tests have been opened over 600,000 times.