Goretex GR

The GORE® GR sheet gasket is designed for durable and reliable sealing of all standard steel flange connections and equipment flanges. The sheet is made of pure, high-quality expanded PTFE (ePTFE), giving the gasket virtually unlimited chemical resistance.

The GORE® GR sheet gasket is characterized by minimal loss of surface pressure (high PQR value according to EN 13555). This is especially important in cases of stress due to temperature fluctuations, high temperatures, and external influences during operation, which could lead to leaks and/or blowouts.

The high tensile strength of the material results in greater pressure resistance and blowout safety. The increased stiffness of the material ensures easier installation of the gasket. The GORE® GR sheet gasket provides a secure and durable seal for both standard and nonstandard sizes of steel flanges.

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Producttype

Gaskets

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Certificates

TA Luft, BAM,FDA

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Pressure

Full vacuum to 210 bar (3000 psi)

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Temperature

- 269 °C to 315 °C (- 452 °F to 600 °F)

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Service

Both the maximum allowable pressure and the maximum safe operating temperature depend primarily on the equipment.
Standard pressures range from full vacuum to 40 bar.

Properties: 

  • Made of 100% expanded PTFE (ePTFE)
  • High chemical and thermal resistance
  • Resistant to aging
  • Physiologically safe
  • High tensile strength


Benefits

  • Very low loss of surface pressure
  • High blowout safety
  • High operational reliability
  • Wide range of applications
  • Seals almost all media in the pH range of 0 – 14 securely and durably
  • Excellent adaptation to the flange surface
  • Easy installation

Material Properties

Color
White with red print
Thickness
1 mm (1/32″) up to 6.0 mm (1/4″)
Sheetsize
1524 x 1524 (60″ x 60″)

Typical Physical Properties

ASTM F36A Compressibilty
56%
ASTM F36A Recovery
8%
Maximum Temperature
- 269 °C to 315 °C (- 452 °F to 600 °F)
Maximum Pressure
full vacuum to 210 bar (3000 psi)

Gaskets Constants

m (ASME)
2.5
Y (ASME)
19.3

Approvals and test reports

  • TA Luft
  • BAM
  • FDA

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