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Grafoil flexible graphite gaskets provide superior performance for high temperature sealing applications.
Flexible graphite Grafoil gaskets roll products are manufactured from pure flexible graphite containing no binders or fillers which limit the performance and application range of most other sealing products, and offer gaskets with superior high temperature gasketing and sealing.
Customizing ring density to maximize sealability is Sealing Devices Inc.'s specialty. All packing ring styles meet MIL-P-24503. Fabricated from RIBBON PACKTM, GRAFOIL® DIE-MOLDED PACKING RINGS are predensified for ease of installation. They are precision sized to fit the dimension tolerances of valve and pump stuffing boxes and require minimum run-in. GRAFOIL®DIE-MOLDED RINGS create leak-tight seals with only 1/3 to 1/2 of the gland pressure required by other packings. Grade GTTM K exhibits all of the superior fluid sealing characteristics associated with GRAFOIL® Flexible Graphite. It is the grade used in most standard industrial applications. Grade GTTM R is a premium grade developed for use in nuclear applications. It is certified to meet the most rigorous purity specifications of the nuclear industry, including General Electric NEDC-31735P.
LAMINATED RINGS are fabricated from sheet stock. The material is cured to the desired thickness and density and then precision cut to exacting dimensional tolerances. The process allows for custom cross-sectional profiles where the application or design warrants it. Laminated rings are available in all material styles.
GRAFOIL flexible graphite gaskets manufactured from sheet or roll products will compact under only moderate bolt loads to fill even microscopic irregularities in nearly every fluid sealing application. Small surface irregularities are more easily filled under lighter bolt loads, thus, reducing the need for costly surface refinishing. Since there is negligible cold flow or creep, the need for periodic precision bolt tightening is significantly reduced.
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