The difference between RF flange and RTJ flange.

RF (Raised Face) flange and RTJ (Ring Type Joint) flange are two common flange connection methods, with some differences in design and application.
Sealing method:
Raised Face: RF flanges typically have raised flat sealing surfaces, which use gaskets (usually rubber or metal) to provide sealing. This design is suitable for low voltage and general industrial applications.
RTJ flange (Ring Type Joint): RTJ flanges use circular metal gaskets, usually elliptical or hexagonal, to provide higher sealing performance. This design is suitable for high-pressure and high-temperature applications, such as in the oil and gas industry.
Sealing performance:
RF flange: suitable for general sealing needs, with relatively low requirements for pressure and temperature.
RTJ flange: Due to the design of the metal gasket, RTJ flange can provide better sealing performance and is suitable for high-pressure and high-temperature working conditions.
Application field:
RF flange: mainly used for low-pressure and general industrial applications, such as chemical, water supply systems, etc.
RTJ flange: Due to its strong sealing performance, it is commonly used in high-pressure and high-temperature industrial fields such as petroleum, natural gas, and chemical industry.
Installation method:
RF flange: relatively easy to install, usually connected with bolts.
RTJ flange: The installation is relatively complex, and it is necessary to ensure that the metal gasket is installed correctly. Usually, bolt connections are also used.
Overall, the choice of RF flange or RTJ flange depends on specific application requirements, including pressure, temperature, and medium. In high-pressure and high-temperature environments, RTJ flanges may be more suitable, while in general industrial applications, RF flanges may be sufficient to meet the requirements.


Post time: Dec-14-2023