FOS-1 Fabric Oil SealsFOS-1
The FOS-1 types of shaft seals are used wherever additional lubrication is not necessary. In case lubrication is required, seals are installed back to back with a lubrication metal spacer.
FOS-2 Fabric Oil SealsFOS-2
The FOS-2 seal is especially recommended for ensuring longer seal life.But in this case, the housing has to be provided with a lubricating groove port
FOS-3 Fabric Oil SealsFOS-3
The FOS-3 seal is similar to the FOS-1 type seal with additional slots provided on the back face of the seal to enable additional area for lubricating the sealing lip, thus preventing dry running or damage to the sealing lip.
FOS-4 Fabric Oil SealsFOS-4
The FOS-4 seal is especially recommended for ensuring longer seal life.But in this case, the housing has to be provided with a lubricating groove port