Style HP3561

High Pressure Gasketing


Tight seal

  • Perforated stainless steel core increases resistance to pressure fluctuations and thermal cycling
  • GYLON® offers superior cold flow and creep resistance, eliminating the need for frequent retorquing

Chemical resistance

  • Seals aggressive chemicals in hostile environments where safety or blowout resistance is crucial*


  • Strong caustics
  • Moderate acids
  • Chlorine
  • Gases
  • Water
  • Steam
  • Hydrocarbons
  • Cryogenics
  • Aluminum fluoride (For oxygen service, specify “HP3563 for oxygen service.”)

*Consult Garlock Applications Engineering when using flanges in pressure classes above 300lbs.

Min. Temperature
  • Remove
Continuous Max
  • Remove
  • +500°F (+260°C)
Max Pressure
  • Remove
  • 2500 psig (172 bar)
Maximum PxT 1/16
  • Remove
  • 700,000 (°F x PSIG)
Maximum PxT 1/8
  • Remove
  • 450,000 (°F x PSIG)
  • Remove
  • F451999A9B2E99K5M6(3,4)
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+500°F (+260°C) 2500 psig (172 bar) 700,000 (°F x PSIG) 450,000 (°F x PSIG) F451999A9B2E99K5M6(3,4)
Garlock Gylon Gasket Material Style HP3561
Spec Sheet Get Quote

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