459

Graphite Sheet with Nickel Reinforcement
​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​Chesterton 459 graphite sheet with a nickel foil reinforcement is for use in high temperature, high pressure​​ flange applications. The nickel foil makes 459 easier to cut than other reinforced gasket sheets. It has excellent chemical resistance and can be used up to 1600°F (870°C) in a non-oxidizing atmosphere.
 

Product Features

  • Easy to cut manually
  • Excellent pressure capability
  • High-temperature capability
  • High chemical resistance

Technical Data

Applications

Pipe flanges, vessels, reactors, valve bonnets, housings

Size Low 1 ( 0.031 inch )
Size High 3.2 ( 0.125 inch )
Pressure Limit Stationary 2000 PSIg ( 140 BARg )
Temperature Min -328 °F ( -200 °C )
Temperature Max 1600 °F ( 870 °C )
Notes

454°C (850°F ) oxidizing,

Chemical Resistance (High) 14 pH
 
 

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