floor spring with famous Chinese brand Justor JU-28

floor 1. one spring hydraulic working system; 2. maximum wide door leaf :1050MM; 3. maximum bearing weight 80kgs.

floor details:

# 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

Feature	Technological data
Closing force	15NM
Suitable for maximum wide door leaf	<=900mm
The maximum bearing weight	90KG
The door closing speed is controlled by the adjusting valve
Operating angle	90 Degree
Weight	About 5.50kgs
Container size	Length:25.1cm Width:10.1cm Height:5.05cm
The products have passed national QB/T3884-99 standard