1.Self aligning welding rotator is more convenient than the conventional bolt adjustment type welding rollers. It do not need to adjust the roller wheels head even from the small diameter pipe to the bigger diameter tanks.
2.The roller wheels head will close for small diameter vessels, and open for big diameter vessels automatic. It will save the adjust roller head time than bolt adjustment roller.
3.All the 8 roller wheels are PU material, it has longer using life than rubber wheels. Even the vessels material is stainless steel, it also has no roller indentation on the vessels surface.
4.With additional motorized traveling wheels and Hydraulic Jack up system are all available.