DC475
Floor Spring with Cam Motion® technology and adjustable closing force for large or very heavy doors
DC477
Floor Spring with Cam Motion® technology and adjustable closing force for heavy doors
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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DC477
Floor Spring with Cam Motion® technology and adjustable closing force for heavy doors