Both hot- and cold-rolled welded steel pipes produced from pipe-shells are used in pipelines of category IV according to the "Recommendations on process pipelines structure" and also in circulating water conducts. The operating environment is raw water. Working pressure is no more than 0.7 MPa. Upon the client's request, pipes can be supplied with reinforcing rings.
Ladders used for climbing tanks can be freestanding, based on a foundation or entirely fixed to the wall of the tank (hoop ladders). The freestanding ladders must be fastened either to the upper flange of the tank wall or to the stiffener of the tank wall and its middle flanges. When fastening, it is necessary to take into account the shifting of structures during foundation settlement. Shaft stairs are fastened to the foundations with anchor bolts.
The block-box is a portable building that contains all the necessary equipment and facilities specified depending on the purpose of the block-box.
