Fluoroplast gaskets with lubrication holes are designed for usage in supports: of bridges, bearing welded structures, trestles for pipelines and so on.
Gaskets are produced from fluoroplast-4 (GOST 10007-80) in the form of discs with holes (hollows). The outer diameter of gaskets with tolerance is shown in the table below. By special request gaskets of different dimensions can be manufactured.
Diameter of fluoroplast gaskets