Bodentürschließer

1. All the floor springs have passed through testing of opening and closing over 300,000times2. Inside pressure reducing value:using to prevent the destruction of the floor spring or oil leakage on occasions that the door is closed by strong pressure or wind force3. Use low temperature frostbite hydraulic lubricating oil ensuring round-the -clock installation and application when the freezing point is below -40oC4.The maximum two-way opening angle is 105 degree,closing effect is from 90degree,single-stage speed adjusting.5.Using maximum two-way opening angle of 1000mm wide door leaf and maximum bearing weight is 110KG6.For cement container is able to adjustable in length 5mm,with 5mm and ±2oC vertically adjustable when the calibration is zero.