37719-7122 GYLON® Style 3500 Vollflansch-Dichtung
  • 37719-7122 GYLON® Style 3500 Vollflansch-Dichtung

37719-7122 GYLON® Style 3500 Full Face Gasket

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Pipe flange gasket material made from GYLON® Style 3500, which is a silica filled PTFE material designed for use with strong acids, solvents, hydrocarbons, and other aggressive media.

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Bolt Circle Diameter (Inch)27.250
Bolt Circle Diameter (mm)692.15
Bolt Hole Diameter (Inch)1.375
Bolt Hole Diameter (mm)34.93
Bolt Hole Quantity20
BrandingBranded
ColorFawn
CompliancesFDA Compliant, REACH Compliant, RoHS Compliant, USDA Approved, USP VI 87 Compliant, USP VI 88 Compliant, ADI/TSE Free
CompositionPTFE with Silica
Flange Standards/Pressure ClassASME B16.5 Class 150 (OLD STANDARD)
Gasket TypeFull Face
Inside Diameter (Inch)22.000
Inside Diameter (mm)558.80
Max Temperature (C)260
Max Temperature (F)500
Min Temperature (C)-268
Min Temperature (F)-450
Nominal Pipe Size (inch)22.000
Nominal Pipe Size DN (mm)550.0
Nominal Pipe Size Fraction (Inch)22
Outside Diameter (inch)29.500
Outside Diameter (mm)749.30
Pipe Standard and ClassASME B16.5 Class 150 (OLD STANDARD)
Pressure Max (bar)83
Pressure Max (psi)1200
Primary Dimensional Unit of MeasureImperial
Primary Nominal Thickness1/8 in
Product Weight3.058 lbs
Rubber Material AbbreviationPTFE
Style/ModelStyle 3500
Temperature Range (C)-268°C to 260°C
Temperature Range (F)-450°F to 500°F
Thickness (inch)0.125
Thickness (mm)3.18

Features and Benefits:

  • Tight seal
  • Improved performance over conventional PTFE
  • Reduced product loss and emissions
  • Reduced creep relaxation
  • Unique manufacturing process minimizes cold flow problems typical of skived and expanded PTFE sheets
  • Excellent bolt torque retention
  • Withstands a wide range of chemicals for extended service life in a wide variety of applications
  • Will not support flame
  • Will not support bacterial growth

Media Use:

  • Strong acids (except hydrofluoric acid)
  • Solvents
  • Hydrocarbons
  • Water
  • Steam
  • Chlorine
  • Cryogenics

Industries Served:

  • Chemical Processing
  • Food and Beverage
  • Mining
  • Pharmaceutical
  • Primary Metals
  • Water and Waste Water
  • Pulp and Paper
  • Power Generation
  • Oil and Gas
  • Nuclear
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