Detailed Product Description

1. Pass the lS09001 international quality system certification, accord with the NationalQB/T3884-1999Standard.
2. All floor springs pass the open and close test of over 500,000times, and accord with the safety application standard.
3. The super thin body design with a thickness of only 40mm can reduce the drilling depth to the floor and is easy to install.
4. The built -in decompression valve can prevent the oil leakage or damage to the floor spring caused by door closing under the external pressure or strong wind.
5. Provided with high grade hydraulic lubricant with solidifying point below -40 degrees which is suitable for installation and applications under all weather.
6. lt is available with or without the 90 degree stopping device.
7. Two door-closing speed regulation valves of 116 to 0 degrees and 116 to 20 degrees are provided to meet the different door-closing effects.
8. Custom-made fire-proof floor spring can be made according to the requirements of customers.
9. The bearing capacity is up to 130kg and the maximum width of door is 1050mm, which is suitable for different doors.