• Floor spring with adjustable closing force for
large and very heavy doors
• In compliance with EN1154 size EN3-6
 1,000,000 cycles tested
• Suitable for fire and smoke protection doors
• For single and double action door up to 300kg

Characteristics of DC475:
 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
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 Satinless Steel and Polished Brass
 Interchangeable spindle from 0 to 30mm
 Available without hold-open or with hold-open
angle 90° and 105°
Speed adjustment:
1 variable closing speed 175° - 15°
2 variable latching speed 15° - 0°

Website : www.bottegaartisan.com
Showroom Jakarta : Perumahan Alam Sutera, Jl. Jalur Sutera No.23D, RT.002/RW.006, Panunggangan Tim., Kec. Pinang, Kota Tangerang, Banten 15143
Showroom Surabaya : Jl. Raya Geluran No.28, Geluran, Kec. Taman, Kabupaten Sidoarjo, Jawa Timur 61257
Instagram : @bottegaartisan