1. one spring hydraulic working system;
2. maximum wide door leaf :1050MM;
3. maximum bearing weight 80kgs.
# Inside pressure reducing valve 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 temperature frostbite hydraulic oil,ensuring the normal door-closing speed when the temperature is forty degree below zero .
# For cement container, 5mm adjustable in length and width, and 2 degree vertically adjustable when the calibration position is zero.
304# stainless steel cover plate
Suitable for maximum wide door leaf
The maximum bearing weight
The door closing speed is controlled by the adjusting valve
Length:25.1cm Width:10.1cm Height:5.05cm
The products have passed national QB/T3884-99 standard