Lloyd’s Register Verification Certificate number: 0038-CPR-LTQ6020618
| Spiral treads | |||
|---|---|---|---|
| Type: | Serrated SR4 or smooth surface with safety nosing | ||
| Material: | Galvanized or galvanized and painted steel. Standart sizes. | ||
| Standard sizes: | R, radius of stair mm | Sleeve: external diameter d, material thickness mm | Railing d mm |
| 600 | 88,9 x 4,0 - 114,3 x 5,0 | 26,9 | |
| 700 | |||
| 800 | |||
| 900 | |||
| 1000 | |||
| 1100 | 114,3 x 5,0 - 139,7 x 5,0 | 33,7 | |
| 1200 | |||
| 1300 | |||
| 1400 | 42,4 | ||
| 1500 | |||
The treads are produced from various types of gratings and profiles, with other ordered items and platform.
