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Metallic Gasket Catalog - 49 Pages

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Catalogue excerpts

F (260 а C). Inaccordance with ASME B16.20, an inner ring is re-quired when using conventional PTFE filler materials, in order to protect the winding from radial buckling.See page D-19 for the temperature limits of com-mon metals and filler materials. > One of the best all-around seals, the spiral woundgasket offers a low-cost solution that has the ability tohandle temperature and pressure fluctuations. Multipleplies of metal and filler in the spiral create a barrier that reduces the possibility of leaks. > Garlock manufactures a wide variety of double-jacketed, spiral-wound, metal-clad and solid...

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Spiral wound gasketsmade with an alternatingcombination of formed metal wire and soft filler materi-alsחform a very effective seal when compressed between two flanges. A v-shaped crown centered in themetal strip acts as a spring, giving gaskets greaterresiliency under varying conditions. Filler and wire material can be changed to accommodate differentchemical compatibility requirements. Fire safety can beassured by choosing flexible graphite as the fillermaterial. If the load available to compress a gasket islimited, gasket construction and dimensions can bealtered to provide an effective seal.A...

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΢֠ Seals at lower stress than conventional gasketswithout an inner ring > ΢֠ Eliminates flange damage caused by overtightening ■ Relief ports allow tighter seal at lower loads > ■ STABL-LOCK inner wrap construction preventssealing element from flowing into and contaminatingprocess stream > ٢֠ Modified guide ring ensures contact centered onraised face flange surfaces* > ■ Dual flange (DF) design accommodates both 150and 300 lb flangesreduces inventory costs ע֠ Select from a wide variety of metallic and fillermaterials with a full range of temperature capabili- ties** > * Contact Garlock Engineering...

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٢֠ Combination of graphite filler and mica layers givesuperior fire safety > ■ Layers of pure mica protect graphite filler and resistoxidation ■ Good choice for plant steam drums, hydrocarboncatcrackers, hydrogen units, and exhaust manifolds > ■ Relief tab design provides solid seating ofcentering ring face ■ Withstands bolt load loss caused by thermalcycling ■ Inner wrap construction eliminates radial buckling ■ Prevents catastrophic failure and potential damageto downstream equipment due to wire unraveling > ■ Heat-resistant graphite filler Temperature, max.:1250 F (677 а C)Flange class:150...

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٢֠ PTFE envelope withstands aggressive chemicalsand corrosive media ■ Fire-safepassed independent fire tests ע֠ Two sealing elements significantly reduce corrosionand bacterial contamination of flanges ■ Seals to the ID of the pipe bore ■ Specify pipe schedule when ordering > Corrosion starts inblue area 1SecondarySealing Element PrimarySealing Element 2 345 Traditional Design Effectivelyseals tobore of pipe * Patent No. 5511797 TANDEM SEAL Design D-7 size="-1">

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΢֠ Durable; easy installation and removal > ■ Seals pressures to flange ratings, in accor-dance with ASME B16.5 When ordering specify: ■ Nominal pipe size and pressure rating or specificgasket dimensions ■ Suitable for temperatures from cryogenic to2,000 F (1,093 а C)* ■ Winding and filler materials ■ Guide ring simplifies centering of sealingelement on the flange face ■ Centering and/or inner compression ring material > ■ Designed solutions accommodate a variety ofconditions by combining various metals and filler materials When ordering, specify: ■ O.D. and I.D. dimensions (and tolerance, if...

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A plain, all-metalcorrugated gasket foruse in low pressure ap- plications that require athin line contact because of space or weight limitations.Corrugated gaskets are a versatile sealing element where the available bolt loads are low. Construction of thisgasket offers more fillerprotection than the standard single-jack-eted design. Although constructed like a single-jacketedgasket, it has the added benefit of totally encasing the filler material. > Concentric corru-gated sealing elementtotally encapsulates thesoft filler material. The corrugations give im-proved resilience in applications where...

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Style 631Two-Piece French-Type Style 641חSolid Metal Profile > Garlock Style 631 isideal for narrow circularapplications that require a positive unbroken metalgasket line across the full width of the flange. The filler isexposed on the OD. This gasket is also available in one, two, and three-piece constructions. Profile gaskets com-bine the desirable quali-ties of a solid metal gas- ket with the advantages ofa reduced area of contact,thereby reducing the bolt stress required to effect a seal. This gasket has the same advantages of strength, heatconductivity, and resistance to temperature, pressure...

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The superior technology of the GRAPHONIC > ή family of gaskets ensures excellent sealing perfor-mance and reliability, even in the most difficult applica-tions. Each of the three styles combines a corrugated metal core with a compressible sealing element ofvarious materials, for resistance to a wide range ofharsh conditions, including extreme temperature, corrosive chemicals, and thermal cycling. > Compressible SealingElement ■ Valves ■ Heat exchangers ■ Pumps ■ Vessels ■ Flanges > Metal Core ΢֠ Accommodates a wide range of temperatures > ■ 316L Stainless > ■ Flexible graphite ■ Seals effectively...

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■ Accommodates standard ASME flanges as well asweaker and non-circular flanges ■ Valves ■ Heat exchangers ■ Pumps ■ Vessels ■ Seals less-than-perfect flanges ■ Flanges ■ Handles pressures from vacuum to Class 2500 ■ Performance replacement for jacketed heatexchanger gaskets > ■ Solid metal core resists cold flow,overcompression and blowout ■ Under compression, fills seat-ing surface imperfections to form a tight, metal-to-metalconnection ■ Rigid core provides exceptionalstability, even in large sizes, andfacititates handling and installation ■ Seals under low stressidealfor weaker flanges ע֠ Available...

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