
Open D-Rung Extension Ladder
Open D-Rung Extension Ladder Professional (EAFV).
These ladders are composed of two parts: fixed and extensible. The extensible part is lifted by a rope, locking the ratchet on the riveted rungs, thus regulating its height to the maximum allowed by the limiters. It is resistant and is not electrically conductive.
They are manufactured in accordance with the ABNT/NBR 16308 standard and when requested by the customer ANSI A 14. 5.
Manufacturing
Side profiles that support the steps 85 x 30 mm in U-Design profile hardened (electrically non-conductive), composed of resin, fiberglass, roving and other components by the pultrusion process.
Commercial flat D-rung made of duralumin (a combination of Dürener and aluminium) with anti-slip grooves, riveted on the uprights by hydraulic piston with 300 mm distance between them. It has an internal width of the movable part of 300 mm and of the fixed part of 325 mm and external width of the mobile part of 360 mm and of the fixed part of 375 cm.
Standardization
rubber strap
aluminium ratchets
guides
end caps
pulleys
footsteps
rubber shoes
rope
pennant
labels for identification
Composition




Information



Models
Model | Close length (m) | Open lenght (m) | Number of rung when close | Number of rungs when open | Ladder weight (kg) |
---|---|---|---|---|---|
EAFV-13 | 2,70 | 4,20 | 09 | 13 | 14,5 |
EAFV-15 | 3,00 | 4,80 | 10 | 15 | 16,5 |
EAFV-19 | 3,60 | 6,00 | 12 | 19 | 19 |
EAFV-21 | 3,90 | 6,60 | 13 | 21 | 20 |
EAFV-23 | 4,20 | 7,20 | 14 | 23 | 22 |
EAFV-25 | 4,50 | 7,80 | 15 | 25 | 23,5 |
EAFV-27 | 4,80 | 8,40 | 16 | 27 | 26 |
EAFV-29 | 5,10 | 9,00 | 17 | 29 | 32 |
EAFV-31 | 5,40 | 9,60 | 18 | 31 | 34 |
EAFV-33 | 5,70 | 10,20 | 19 | 33 | 35,5 |
EAFV-35 | 6,30 | 10,80 | 21 | 35 | 37 |
EAFV-39 | 6,90 | 11,70 | 23 | 39 | 39 |