Sealing Gaskets - GPT

LineBacker fiZero, 250 & 251Sealing GasketsSignificant chemical and materialcomposition improvements haveprovided an opportunity for thedevelopment of three gaskets,designed to address the regulationsassociated with asbestos substitutegaskets and fugitive emissions.LineBacker Zero, LineBacker 250 andLineBacker 251 gaskets are manufactured from newproprietary materials that provide excellent resistanceagainst environmental leakage without the health hazardsassociated with asbestos type gaskets.In addition to providing zero environmental leakage, this newline of sealing gaskets:Eliminate flange leaksGuard against blowoutsProtect against hostile environments and fireResolve asbestos substitution concernsEliminate cold flow problemsReduces inventory costsIncreases the overall life of the systemSizesAll standard ANSI and API flange sizes from 1/2and above.Custom odd sizes and shapes.Pressure RatingsAll ANSI and API rated flanges.Pressures from hard vacuum to 50,000 psi and higher.LineBacker fi Zero TM LineBacker fi 250 TM LineBacker fi 251 TMASTM D-149 Dielectric StrengthVolts/mil (Short Time)500 500 550ASTM D695 Compressive Strength 25,000 ps i 50,000 ps i 50,000 ps iASTM D229 Water Absorbtion 1.8% 0.15% 0.15%ASTM D790 Flexural Strength 20,500 ps i 50,000 ps i 50,000 ps iASTM D785 Hardness 85 110 110ASTM D256 IZOD Impact Strength 1.2 ft-lbs/in 11.5 ft-lbs/in 12.5 ft-lbs/inASTM D638 Tensile Strength 23,000 ps i 40,000 ps i 45,000 ps iASTM D32 Shear Strength 10,000 ps i 18,000 ps i 20,000 ps iASTM F-36 Compressibility 1.8% 2.0% 2.1%ASTM F-36 Recovery 100.0% 88.9% 88.9%ASTM F-38(B) Creep Relaxation 65.7% 17.2% 5.1%DIN-3535 Gas Permeability 0.00 cm3/min. 0.29 cm3/min. 0.43 cm3/min.DIN 52913 S tress Relaxation N/A 49.4N/mm2 N/AOperating Temperature -60 to +220” F. -60 to +350” F. Cryogenic to +250” F.-51 to +104” C. -51 to +177” C. Cryogenic to +121” C.Page 8