Detailed Product Description

→   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 : 38Nm

→    Suitable for maximun wide door leaf  :1250*2400 mm

→    The macimun bearing weight : 105- 160kg

→    Opening angle :  90⁰ /115⁰ 

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