Floor spring

ASSA ABLOY DC 460

• Floor spring with fixed closing force for very thin slabs
• Certified in compliance with EN 1154, size 2 or 3 or 4
• Suitable for fire and smoke protection doors
• For double action doors up to 120 kg

Characteristics

• Same dimensions for 3 bodies according to fix size EN2, EN3, EN4
• Hydraulic control over 130° 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 black painted and only 40 mm high
• Cover plates and eyelets made in polished or satin stainless steel
• Interchangeable spindle from 0 + 30 mm
• Available with hold-open at 90°, 105° and without hold-open

ASSA ABLOY DC 420

• Floor spring with fixed closing force for thin slabs
• Certified in compliance with EN 1154, size 2-4, cycle test over 1,000,000 cycles
• Suitable for fire and smoke protection doors
• For double and single action door up to 100kg

Characteristics

• Same dimensions for 3 bodies according to fix size EN2, EN3, EN4
• 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 +30mm
• Available with hold-opening angle 90°, 105° and without hold-open
• For thin slabs

ASSA ABLOY DC 477

• Floor spring with adjustable closing force for large and heavy doors
• Certified in compliance with EN 1154, size 2-4, cycle test over 1,000,000 cycles
• Suitable for fire and smoke protection doors
• For double action doors up to 170 kg

Characteristics

• From 175° in both door swing directions with hydraulic control from 150°
• Two thermodynamic valves for consistent performance
• Adjustable door speed and latching speed from top regulating valves
• Backcheck
• 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 without hold-open or with hold-open angle 90° and 105°

ASSA ABLOY DC 450

• Floor spring with fixed closing force for very thin slabs
• Certified in compliance with EN 1154, size 3 or 4
• Suitable for fire and smoke protection doors
• For double and single action doors up to 120 kg

Characteristics

• Same dimensions for 2 bodies according to fix size EN3, EN4
• Hydraulic control over 130° 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 hot zinc plated and only 40 mm high
• Cover plates and eyelets made in polished or satin stainless steel
• Interchangeable spindle from 0 + 30 mm
• Available with hold-open at 90°, 105° and without hold-open

ASSA ABLOY DC 475

• Floor spring with adjustable closing force for large and very heavy doors
• Certified in compliance with EN 1154, size 3-6, cycle test over 1,000,000 cycles
• Suitable for fire and smoke protection doors
• For double and single action door up to 300 kg

Characteristics

• Closing from 175° in both door swing directions with hydraulic control from 175°
• Two thermodynamic valves for consistent performance
• Adjustable door speed and latching speed from top regulating valves
• Backcheck
• 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 without hold-open or with hold-open angle 90° and 105°