Flexible Graphite Sheet 316ss Tang Inserted

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Flexible Graphite Sheet 316ss Tang Inserted

Service Limits

TypeDescriptionValue
Temperature Limits
Minimum
-328°F (-200°C)
Maximum
In air840°F (450°C)
In steam1200°F (650°C)
In reducing or inert media5400°F (3000°C)
Typical Properties
Pressure - Static2000 psi (137 bar)
Compressibility35% (tested under 5000 psi)
Recovery18% (tested under 5000 psi)
Creep Relaxation10%
Tensile Strength5000 psi
Compressive Strength35,000 psi
Density62.4 lbs/ft3
Carbon Content98% Minimum
Leachable Chlorides50 ppm maximum
Total Sulfur1200 ppm maximum
Available Sheet Sizes
Thickness1/32", 1/16", 1/8"
Sheet Sizes39.4" x 39.4"

Construction

Style 2663 is a flexible graphite sheet reinforced with a 316ss tanged core, .005″ thick. The flexible graphite sheet is made from exfoliated graphite flake which is compressed into foil by a carefully controlled calendering process. In this process, the expanded flake particles are mechanically locked together without the use of fibers, binders or other additives. Sheets of foil are then adhesive bonded and laminated to the required thickness with the 316ss tanged core in the center.

Application / Service

Style 2663 flexible graphite sheet has pressure-temperature sealability capabilities that are far superior to all asbestos reinforced and non-asbestos reinforced sheet products. It is resistant to chemical attack by virtually all organic and inorganic fluids with the exception of concentrated, highly oxidizing acids.

Gaskets cut from Style 2663 flexible graphite sheet seal with low to moderate bolt loads and because of very low creep relaxation, re-torquing is rarely required. Flexible graphite conforms to irregular flange sealing surfaces and readily flows into flange irregularities enabling it to seal both smooth and coarse surface finishes.

*** Properties and application parameters shown throughout this datasheet are typical. Your specific application should not be undertaken without independent study and evaluation for suitability. For specific application recommendations consult Hanna. Failure to select proper sealing products could result in property damage and/or serious personal injury. Specifications are subject to change without notice. This edition supersedes all previous issues.

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