Folding stairs are used to establish safe passages between platform and tankers. The folding stairs consist of steps, rails, spring cylinder balance system, etc. The most commonly used folding stair is 3 steps folding stair.
The steps are made from grid plate, preventing the operator from falling while raining, snowing or in greasy condition.
The structure is very solid; Maximum design load is more than 300kgs.
The whole folding stairs are cold or hot galvanized. The galvanized folding stair is durable.
The base plate of this folding stair is top or side mounted on the platform. The distance that the folding stair extrudes from the platform is shorter than other types when stored, from colliding with the traveling tanker as much as possible.
There could be a safety cage at the end of the folding stair, avoiding the operator sliding from the top of the tanker, which is selectable.
The difference between the SA serious and SAP serious:
1. The material: SA serious are carbon steel, cold galvanizing;
SAP serious are carbon steel, hot galvanizing.
2. Step width: SA serious are 600mm;
SAP serious are 800mm.
3. Load: SA serious can load about 150kg;
SAP serious can load about 300kg.
4. Installation type: SA serious are top installation;
SAP serious are side installation.
