Heavy Duty Floor Spring Hinge Two Speed Adjustable Keeping Close Pace Consistent

Double Cylinder Heavy Duty Floor Spring Hinge Two Speed Adjustable Stainless Steel With UL CE EN Certification FS-314 Product Information Product name: Floor Spring Item number: FS-314 Material: Iron Casting Color: PSS OR SSS Speed control: Two Speed Maximum door width: ≤ 1250 mm Applicable bearing weight: ≤ 200 kg Maximum opening angle: 90° or 105° Net weight: 6 kg Warranty: >500,000time Installation Step 1. Draw lines and make floor spring pivot center and door-nip pivot