FS-1500 Heavy-Duty Floor Spring, 200/300/400kg Load, Max 120° Opening
Model: FS-1500
Name: Heavy-Duty Floor Spring
Capacity: 200kg / 300kg / 400kg
Door Width: 1100mm / 1500mm / 1800mm
Operation Cycles: ≥500,000 cycles
Feature: Double-cylinder heavy-duty structure, stable
operation & wide load range; max opening angle 120°;
90° / 120° hold open or non hold open optional; two-stage
adjustable closing speed
FS-1500 heavy-duty floor spring adopts double-cylinder reinforced design, supporting 200kg, 300kg and 400kg load options for heavy glass swing doors, matching door width up to 1800mm. Tested for over 500,000 operation cycles for long service life. It features stable running performance, two-section adjustable closing & latching speed, maximum opening angle of 120°, and optional 90° or 120° hold open / non hold open function. It allows ±5mm front and back adjustment of door leaf. Ideal heavy-load door control hardware for large commercial buildings, bulk wholesale and OEM service are available.