All floor springs have passed 300,000 times opening and closing tests,meeting safe application standards.

KT78 floor springs

Loading weight: 105-130KGS

90 Hold  and Non-Hold function

door size:1100mm*2200mm

used for all metal ,steel or plastic doors

door openning angel at 116 degree at your option

base size: 298*140*57mm

Can also offer Dorma type

KT78 floor spring