How long do RTJ flange gaskets last?

Release time：2025-08-22    Click：53

　　Generally, flange gaskets last anywhere from 5 to 20 years [3]. However, a gasket’s lifespan depends on three key factors: gasket selection, quality, and proper installation.

　　When selecting a gasket, ensure it’s compatible with the design pressure and temperature, and the type of media in your application. In other words,, gaskets intended for high-pressure environments should be made from materials that can handle the stress.

　　Otherwise, if you use a gasket that’s not compatible, it may become brittle and lose its sealing effectiveness.

　　The quality of the gasket also has a big impact. Less expensive gaskets may likely be of lower-quality, which degrades faster under demanding conditions. You are better off investing in flange gaskets from trusted manufacturers as these are designed to hold up a secure seal over the long run.

　　Lastly, make sure installation is done right the first time. Properly aligning the flanges and applying the correct torque when tightening the bolts can minimize stress on the gasket. This reduces the risk of leaks, extends the gasket’s lifespan, and helps avoid costly issues later on.

　　What is the Difference Between RF and RTJ Flanges?

　　The main difference between RF (raised face) flanges and RTJ (ring-type joint) flanges is their sealing mechanism and pressure handling.

　　RF flanges use a soft gasket on a raised surface for a flexible seal. RTJ flanges, meanwhile, use a metal ring gasket in a machined groove for a tight, metal-to-metal seal.

　　Let’s take a closer look at how these flanges compare and when you should choose one over the other.

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