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floor spring(one of biggest brand in China,Justor, JU-18)
floor spring(one of biggest brand in China,Justor, JU-18)

Minimum Order: 0
Quality/Safety Certification: 0.00

1.main body material: wrought iron
2.adjustable in up/down/left/right directions.
3.one spring hydraulic working system

1.. Inside pressure reducing valve to prevent the destrution on occasion that the door closed by strong pressure or wind force

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

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

4.  5mm is adjustable in length and width for floor spring in the cement container, and 2 degree

vertically adjustable at the position of 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 5.5kgs

Container size

Length:25.7cm Width:10.5cm Height:5.0cm

The products have passed Chinese national QB/T3884-99 standard

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