How To Distinguish TC Oil Seals From TG4 Oil Seals

31 Jul.,2025

How To Distinguish TC Oil Seals From TG4 Oil Seals?TC oil seals are lip seals for rotating shafts. They are double-lip designs, with one lip facing the inside of the shaft for oil prevention and the other lip facing the outside of the mechanical parts for dust prevention. TG4 oil seals are reciprocating seals with a three-lip design, which enhances the ability to prevent internal leakage.

 

TC oil seals and TG4 oil seals can be distinguished from the following aspects:

 

How To Distinguish TC Oil Seals From TG4 Oil Seals
 
 
 
 
 
 
 
 
 
 
Structural Design

TC oil seals are lip seals for rotating shafts. They are double-lip designs, with one lip facing the inside of the shaft for oil prevention and the other lip facing the outside of the mechanical parts for dust prevention. TG4 oil seals are reciprocating seals with a three-lip design, which enhances the ability to prevent internal leakage. In addition, the outer ring of the TC oil seal is not threaded and is a smooth rubber surface; the outer ring of the TG4 oil seal is threaded for easy installation and enhanced sealing.

 

 

How To Distinguish TC Oil Seals From TG4 Oil Seals
 
Application Scenarios

TC oil seals are suitable for applications with low pollution levels and relatively stable operating conditions, such as automotive engines, light industrial machinery, etc. TG4 oil seals are more suitable for heavy machinery, off-road vehicles, and industrial equipment exposed to highly polluted environments, which have higher sealing requirements.

 

 

How To Distinguish TC Oil Seals From TG4 Oil Seals
Performance Characteristics

TC oil seals are not pressure-resistant and are suitable for general pressure conditions. TG4 oil seals are pressure-resistant oil seals that can withstand higher pressures and are more suitable for working under high-pressure environments.