Style 5500

Inorganic fibers with a nitrile binder


Tighter seal

  • Inorganic fiber gasketing offers excellent thermal stability with minimal weight loss
  • Reduced creep relaxation and improved torque retention provide optimal sealability

Temperature resistant

  • Non-oxidizing fibers withstand a continuous operating temperature of up to 550°F (290°C), and maximum spike of 800°F (425°C)
  • IFG® 5500 has passed the Garlock Fire Test and is ABS Fire Safe Type Approved.


  • Water
  • Aliphatic hydrocarbons
  • Oils
  • Gasoline
  • Saturated steam*
  • Inert gases
  • Most refrigerants

*Minimum recommended assembly stress = 4,800psi. Preferred assembly stress = 6,000-10,000psi.  Gasket thickness of 1/16″ strongly preferred.  Retorque the bolts/studs prior to pressurizing the assembly.  For saturated steam above 150psig or superheated steam, consult Allied Rubber Company.

Min. Temperature
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  • '-100°F (-73°C)
Continuous Max
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  • '+550°F (+288°C)
Max Temperature
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  • 800°F (+427°C)
Max Pressure
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  • 1200 psig (83 bar)
Maximum PxT 1/16
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  • 400,000 (°F x PSIG)
Maximum PxT 1/8
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  • 275,000 (°F x PSIG)
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  • F712103A9B4E23K7L501M4(4)
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'-100°F (-73°C) '+550°F (+288°C) 800°F (+427°C) 1200 psig (83 bar) 400,000 (°F x PSIG) 275,000 (°F x PSIG) F712103A9B4E23K7L501M4(4)
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