PSI support and centering rings from high quality polypropylene are used for pipe installation of all kinds, in the case when supply pipe is installed in casing pipe.

Advantages in supporting rings using:

• Relieves pipe installation by maximal reducing of the friction coefficient.
• Minimal friction ratio prevents damage of the pipe surface.
• Wide size range of the cross rib, gives an opportunity to centre product pipe inside of the casing.
• Very high isolating qualities of the materials.
• All requirements concerning cathode protection are implemented.

Supporting and centering rings are produced and supplied for pipes of all necessary sizes from 25mm and more, with wide variety of the rib height.