ENVELON™ Style 3565 Full Face Gasket, PTFE with Aluminosilicate Microspheres, 20 Inch ASME B16.5 Class 300, 0.125 Inch Thick, 24 Bolt Holes
37565-5220
- Shipping Weight: 1.481 lbs
- Gasket Type: Full Face
- Style/Model: Style 3565
- Pipe Standard and Class: ASME B16.5 Class 300
- Compliances/Standards: FDA Compliant, REACH Compliant, RoHS Compliant
- Nominal Pipe Size Fraction (Inch): 20
- Thickness (inch): 0.125
- Composition: PTFE with Aluminosilicate Microspheres
- Temperature Range (F): -450°F - 500°F
- Temperature Range (C): -268°C - 260°C
- Pressure Max (psi): 1200
- Pressure Max (bar): 55
- Bolt Circle Diameter (Inch): 27.000
- Bolt Circle Diameter (mm): 685.80
- Bolt Hole Diameter (Inch): 1.375
- Bolt Hole Diameter (mm): 34.93
- Bolt Hole Quantity: 24
- Brand: GYLON® ENVELON™
- Color: Purple
- Compliances: FDA Compliant, REACH Compliant, RoHS Compliant
- Flange Standards/Pressure Class: ASME B16.5 Class 300
- Inside Diameter (Inch): 20.000
- Inside Diameter (mm): 508.00
- Min Temperature (C): -268
- Min Temperature (F): -450
- Nominal Pipe Size (inch): 20.000
- Nominal Pipe Size DN (mm): 500.0
- Outside Diameter (inch): 30.500
- Outside Diameter (mm): 774.70
- Pressure Class: 300
- Primary Nominal Thickness: 1/8 in
- Rubber Material: PTFE
- Rubber Material Abbreviation: PTFE
- Primary Dimensional Unit of Measure: Imperial
- Branding: Branded
- Thickness (mm): 3.18
GYLON® Style 3565 ENVELON™ is a high performance, aluminosilicate microsphere filled PTFE gasketing material designed to compress and conform to irregular surfaces, giving it a tight seal on glass-lined and wavy flanges.
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- 70a3c3f7-c41c-4d43-bdc1-b71e0959b1c0(Installation Documents)
- 91827fd1-3866-478b-aa5a-e1f68b354ebc(Certifications & Compliances)
- 9a556a61-c347-4640-a1bd-46b7ee3ceb1d(Installation Documents)
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- b21e7fcc-ce23-4ec0-a8b0-80272654322f(Data Sheet)
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- Overview
Features and Benefits:
- Tight seal
- Soft, durable exterior conforms to surface irregularities
- Ideal for worn, warped, or pitted flanges
- Stable blue core improves cold flow resistance
- Low bolt load requirements ensure a tight seal on glass-lined or wavy flanges*
- Direct sintering of GYLON® layers prevents leak paths and adhesive contamination
- Easy to install
- Custom-cut gaskets from large sheets offer convenience while reducing costly inventory buildup
- Ideal replacement for slit, milled, formed shield, and double jacketed envelope gaskets* which are prone to foldover during installation
- Will not support flame
Media Use:
- Hydrocarbons
- Solvents
- Moderate concentrations of acids and caustics
- Cryogenics
- Glass-lined Equipment
- Hydrogen peroxide
- Refrigerants
Industries Served:
- Chemical Processing
- Food and Beverage
- Mining
- Pharmaceutical
- Primary Metals
- Water and Wastewater
- Pulp and Paper
- Power Generation
- Oil and Gas
- Nuclear