Gaoyao City Kaida Hardware And Decoration Co., Ltd.

floor spring (one of the biggest brand in China, Justor, JU-65)

floor spring (one of the biggest brand in China, Justor, JU-65)
Product Detailed

1. main body material: wrought iron
2.plaque made of 304# stainless steel
3.calibration is available for the location

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

*General design, suitable for left and 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

*Adjustable length in cement container is 6mm,+/-2 degree adjustable in vertical and horizontal direction  at the position of 0 degree.


Cement container, height,width and length can be adjustable which is convenient for assembling




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 6kgs

Container size

Length:29cm Width:12.4cm Height:5cm

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

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