Detailed Product Description

Floor spring_floor closer_door closer

Various specfications are available and can be used in conjunction with springs from Dorma,Geze,Newstar,Bongo,Crown etc.

The function instruction of JU-90 floor spring
· Dimensions: 278mm*131mm*69.5mm

· Suitable for maximum 1500mm wide door leaf and the maximum bearing weight is 180kg

· Two-stage speed adjusting, suitable for the closing effect on various occasions

· Inside pressure reducing value: using 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 degree

· The products have passed national QB/T 3884-99 standard, using times are guaranteed more than 300,000 times.

· According to ISO9001 standard and 2000 international quality management system, go through product quality control process, in order to better guarantee the quality stability.