Graphonic® Metallic Gaskets
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| Standard Core Materials : Available With Inner & Outer Seals | ||||||||||||||||
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| Sealing Elements | ||||||||||||||||
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The superior technology of the Graphonic® family of gaskets ensures excellent sealing performance and reliability, even in the most difficult applications. Each of the three styles, Graphonic, Tephonic, and G.E.T., combines a corrugated metal core with a compressible sealing element of various materials, for resistance to a range of harsh conditions, including extreme temperature, corrosive chemicals, thermal cycling.
Graphonic® Gasket with Flexible graphite sealing element
 | Accommodates a wide range of temperatures |
| Seals effectively during thermal cyclying |
| Fire safe- withstood API and FITT fire tests |
| Chemically resistant |
| Long service life |
Tephnonic® Gasket with ePtfe sealing element
| Chemically inert |
| Forms a tight seal under low bolt load |
| Conforms to minor sealing surface imperfections |
| Withstands temperatuures to 500 degree F (260 C) |
G.E.T.™ with graphite and ePtfe sealing element
| Combines fire safety with chemical resistance |
| Conforms to minor sealing imperfections |
| Rigid yet compressible |
Engineering Data
| Temperature |
Graphonic |
Tephonic and G.E.T |
| Minimum" | -400° F (-240° C) | -350° F (-210° C) |
| Max. in atmosphere: | +850° F (454° C) * | + 500° F (260° C) |
| Max. in steam: | +1200° F (650° C) |
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| Max. continuous in reducing inert media: | +5432° F (3000° C) |
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| Pressure, max |
2000 psig (140 bar) |
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| P x T, max | ||
| 1/16" | 700,000 (25000)* | |
| 1/8" | 350,000 (12000) | |
* P x T max = psig x F degrees (bar x degrees C)
® REGISTERED TRADEMARKS
Garlock Sealing Technologies Inc.