Floor Spring

500，000 starting times guaranteed.   It is applicable to double swing door with width of 1100mm, weight of 130-180kg     The opening angel 120 degree. And closing effect is valid from 80 degree. There are 2 screws to adjust closing speed.   Built-in antifreeze oil, it can run smoothly under negative 40 degree.   Built-in reducing valve, it can keep  closing speed steady.   We offer three different cam: Dorma site, New Star site and MAB site.  

Floor Spring product offered by New Yongchang Hardware Products LTD Guangdong China