2 stop function,can adjustment the machine go up and down . Good Quality with 30 Years Experience in Door contral line.

   floor spring

→   Inside pressure reducing valie:using to prevent the destruction of the floor spring or oil leakage on occasions that the door is closed by strong pressure or wind force .

→   General design ,suitable for left or right hand to open the door in single and both sides.

→   Use low temprature frostbite hydraulic oil .ensuring the normal door-closing speed when the temperature is forty degree below zero degree.

→    For cement container, 5mm adjustable in length and width , and 2 degree vertically adjustable when the calibration position is zero.

→    Closing force : 15Nm

→    Suitable for maximun wide door leaf  : 1050*2100 mm

→    The macimun bearing weight :  65-105 kg

→    Opening angle :  900 /1150 

→    The products have passed national QB/T 3884-99 Standard 

packing :inner box+outer carton

2 stop function,can adjustment go up and down . Good Quality with 30 Years Experience in Door contral line floor spring