DC420

Floor spring with Cam-Motion® technology and fixed closing force for thin slabs

Product description

• Floor spring with fixed closing force for thin slabs
• Certified in accordance with EN 1154, size 2-4, cycle test over 1,000,000 cycles
• Suitable for fire and smoke protection doors

Overview of Advantages

• Available with hold-open at 90°, 105° and without hold-open
• Hydraulic control over 175° in both door swing directions
• Adjustable door speed and latching speed from top regulating valves
• Cast iron body
• Adjustments in all directions within the cement box
• Cement box in hot zinc plated
• Cover plates and eyelets made in polished or satin stainless steel and polished brass
• Interchangeable spindle from 0 to +30 mm
• Available with hold-opening angle 90°, 105° and without hold-open

Note

• Facts for door closer see DC420