# Valve seats

Graphite and carbon-graphite valve seats for reliable sealing at temperature and in aggressive media.

Family: Mechanical applications

## Processes
- Process valves
- Open/close cycles

## Challenges
- Seat leakage
- Thermal deformation
- Cycling wear

## Advantages
- Thermal stability
- Good sealing with proper finish
- Chemical resistance depending on grade

## Limitations
- Oxidation in air at high temperature without protection
- Lower mechanical strength than structural metals
- Requires grade selection by load and environment

- [Applications](https://esgraf.com/en/applications)
- [Alternate](https://esgraf.com/aplicaciones/valvulas-asientos)