DC477 - Floor Spring

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

Description:

• 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:

• 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° 

Finishes:

• Polished Stainless Steel
• Satin Stainless
•  Steel Polished Brass