Table 7-l.—Comparison of Physical Properties for Some Hydraulic Fluid Seal MaterialsFigure 7-3.—V-rings.7-4are single turn, bias cut, and usually made of TFE,molybdenum-disulfide-impregnated nylon, or acombination of TFE and nylon. Nylon is widelyused for T-seal backup rings because it providesexcellent resistance to extrusion and has lowfriction characteristics.The special T-ring configuration adds stabilityto the seal, eliminating spiraling and rolling.
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