DC477

Floor Spring with Cam Motion^® technology and adjustable closing force for heavy doors

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ASSA ABLOY DC477:

Floor spring with adjustable closing force for large and heavy doors
In compliance with EN1154, size EN2-4
1,000,000 cycles tested
Suitable for fire and smoke protection doors
For single and double action doors up to 170kg

Characteristics of DC477:

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 with in the cement box
Cement box is hot zinc plated
Cover plates and eyelets made in polished or Satin Satinless Steel and Polished Brass
Interchangeable spindle from 0 to 30mm
Available without hold-open or with hold-openangle 90°, 105°

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