29416 Graepel TH engl. neu:Inhalt - Friedrich Graepel AG
29416 Graepel TH engl. neu:Inhalt - Friedrich Graepel AG
29416 Graepel TH engl. neu:Inhalt - Friedrich Graepel AG
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Spiral staircases<br />
Staircase radius<br />
Usable<br />
walking width<br />
Number of<br />
treads/winding<br />
Stepping edge<br />
800 707 14 258<br />
707 15 241<br />
707 16 226<br />
900 805 15 270<br />
805 16 253<br />
1000 889 14 322<br />
889 15 301<br />
889 16 282<br />
889 18 251<br />
1200 1098 18 300<br />
1098 20 270<br />
1098 22 240<br />
Round case: The <strong>Graepel</strong> tread dimensions for<br />
different radii.<br />
division 18<br />
division 16<br />
contact 30 ° for centering<br />
30°<br />
20<br />
22.5°<br />
20°<br />
376 5<br />
335 1<br />
460<br />
Stg<br />
75<br />
133<br />
60<br />
ø152.4x5<br />
stepping edge<br />
40<br />
R 1000<br />
R 965<br />
division 16<br />
division 15<br />
division 14<br />
division 15<br />
division 14<br />
429 4<br />
401 3<br />
25.7°<br />
24°<br />
22.5°<br />
340 4<br />
318 1<br />
298 5<br />
420<br />
25.7°<br />
24°<br />
512<br />
110<br />
50<br />
ø127x5<br />
stepping edge<br />
40<br />
R 765<br />
R 800<br />
133<br />
60<br />
ø152.4x5<br />
stepping edge<br />
40<br />
R 1000<br />
R 965<br />
division 16<br />
division 15<br />
24°<br />
22.5°<br />
359 7<br />
337 5<br />
442.5<br />
division 22<br />
division 20<br />
division 18<br />
20°<br />
18°<br />
16,4°<br />
404 6<br />
364 5<br />
331 6<br />
488<br />
(for N=18/20)<br />
416<br />
(for N=22)<br />
110<br />
50<br />
ø127x5<br />
stepping edge<br />
40<br />
R 900<br />
R 865<br />
133<br />
60<br />
ø152.4x5<br />
40<br />
R 1200<br />
R 1165<br />
The completespiral treads program can be found in our spiral staircase catalogue.<br />
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