Three-section rung ladders
Three-section rung ladders
| Series | NV 100 | NV 200 | NV 300 | NV 500 |
|---|---|---|---|---|
| Position of using |
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| Width of lower section | 324 mm | 460 mm | 460 mm, 525 мм from 3×14 | 525 mm |
| Stile profile, aluminium profile 6063 | 50×20 — 61×23 — 50×20, 61×23 — 71×23 — 61×23 from 3×10 | 61×23, 71×23 from 3×10 | Reinforced 71×23, 99×23 from 3×14 | Reinforced 71×23, 99×23 from 3×14 |
| Rung profile, aluminium profile 6063 | Standard plastic feet | Standard plastic feet | 2-component plastic feet | 2-component plastic feet |
| Plastic | Standard plastic feet | Standard plastic feet | 2-component plastic feet | 2-component plastic feet |
| Safety belts | 20 mm standard | 20 mm standard | Light-proof and weather-resistant with metal ears | Light-proof and weather-resistant with metal ears |
| Rigid connections | — | — | One rigid connection from 3×14 | Rigid connections |
| Guide brackets | 30 mm aluminium, 2 rivets | 30 mm aluminium, 2 rivets | Galvanized steel 4×60, plastic insert, 4 rivets | 60 mm aluminium, plastic insert, 2 screws |
| Hooks | 20 mm aluminium, 4 hooks per section, automatic lock for hook, 2 screws | 20 mm aluminium, 4 hooks per section, automatic lock for hook, 2 screws | Galvanized steel, automatic lock for hook, 2 screws | 20 mm aluminium, 4 hooks per section, automatic lock for hook, 2 screws |
| Wall pads | — | — | — | Wall wheels |
| Cross-bar | 750–1000 mm, standard plastic | 750–1000 mm, standard plastic | 1000–1500 mm, riveted 2-component plastic | Reinforced 1000–1500 mm, riveted 2-component plastic |
| Cross-bar fixation | 2 bolts, 2 self-locking nuts | 2 bolts, 2 self-locking nuts | Plastic insert, integrated nuts, 2 bolts | Plastic insert, integrated nuts, 2 bolts |