ASSA ABLOY DC477DA Cam-Motion® Floor Spring Medium Duty Double Action Non Hold Open

A high-performance floor spring featuring Cam-Motion® technology and an adjustable closing force, designed for large and heavy doors weighing up to 170kg. Compliant with EN 1154, sizes EN2-4, and cycle tested for 1,000,000 cycles, it delivers smooth, controlled and reliable door operation.

Suitable for fire and smoke protection doors, this versatile floor spring is designed for both single- and double-action doors, making it an ideal solution for demanding commercial, public and architectural applications.

Features

• From 175° in both door swing directions with hydraulic control from 150°
• Two thermodynamic valves for consistent performance
• Adjustable door speed and latching speed through top regulating valves
• Back-check 
• Cast Iron body 
• Adjustments in all directions within the cement box
• Cement box is hot zinc plated 
• Cover plates and eyelets made in polished or Satin Stainless Steel and Polished Brass
• Interchangeable spindle from 0 to 30mm 
• Available without hold-open or with hold-open angle 90°, 105° 
• For single and double action doors up to 170kg

DC477DA