The CHETRA 877X seal repair friction pairs are manufactured in accordance with the FDA. The materials - technical ceramics based on silicon carbide (SiC-SiC) - have good corrosion resistance and resistance to abrasive wear. The CHETRA 877X cartridge seal is used in pumps KSB CPB-C1, KSB CPK, Bornemann, in the oil refining, chemical, pharmaceutical and food industries. It can be equipped with an aseptic contact ring for Fryma-Koruma equipment (homogenizers). Conditions of use: temperature from -25 to + 220°C, pressure up to 20 bar, rotation speed up to 20 m / s.