Aluminum fire escape short extendible ladder for fire fighting

Conforms to the GA137-2007 "fire escape ladder" standard.

The high strength and high quality aluminum alloy is safe and reliable in the process of expansion and condensation. It can be used for fire fighting and rescue and fire extinguishing operations, especially in cities without climbing cars and narrow fire-fighting passages, where climbing cars can not reach the fire site, while ordinary ladders can not reach the required height at the scene, which can cooperate with fire fighting and disaster relief; it can also be used for climbing maintenance and various kinds of factories, mines, multi-storey buildings, etc. Climbing homework.

Working length: 6.06m;

Shrinkage length: 3.73m;

Shrinkage thickness: 130mm;

Shrinkage width: 430mm;

Minimum ladder width: 302mm;

Ladder spacing: 300mm;

Horizontal bending residual deformation ratio: 0.05%;

The ratio of bending residual deformation to staircase is 0.10%.

The ratio of residual deformation of side swing is 0.15%.