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floor spring(famous Chinese brand Justor JU-28)
floor spring(famous Chinese brand Justor JU-28)

Minimum Order: 0
Quality/Safety Certification: 0.00

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


Technological data

Closing force


Suitable for maximum wide door leaf


The maximum bearing weight


The door closing speed is controlled by the adjusting valve

Operating angle

90 Degree


About 5.50kgs

Container size

Length:25.1cm Width:10.1cm Height:5.05cm

The products have passed national QB/T3884-99 standard

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