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GARLOCK METAL JACKETED GASKETS

Garlock calls their metal jacketed offerings, “metal-clad”. Garlock offers a variety of these metal-clad gaskets in their Series 600 Gasket Styles, as listed below.

Garlock Metal Jacketed Gaskets PDF

LEADER SPIRAL WOUND TYPES

Product Style

Product Image

Note

Style 600 – Corrugated Solid Metal

A plain, all-metal corrugated gasket for use in low pressure applications that require a thin line contact because of space or weight limitations. Corrugated gaskets are a versatile sealing element where the bolt loads are low.

Style 606 – Solid Metal with Flexible Graphite Covering

A solid metal gasket covered with a layer of flexible graphite. This covering layer seals at a low load and fills voids and imperfections in the flange.

Style 620 – Single-Jacketed

Generally used where the radial dimensions of the equipment sealing surfaces only allow space for a narrow width seal. Single-gasketed gaskets are constructed as shown. The metal jacket reinforces the soft sealing material.

Style 623 – Double-Jacketed

The double-jacketed gasket has good compressibility and resilience and is the most popular metal-clad gasket manufactured.

Style 624 – Single-Jacketed Overlap

Generally used where the radial dimensions of the equipment sealing surfaces only allow space for a narrow width seal. Single-gasketed gaskets are constructed as shown. The metal jacket reinforces the soft sealing material.

Style 626 – Double-Jacketed Corrugated

Concentric corrugated sealing element totally encapsulates the soft filler material. The corrugations give improved resilience in applications where thermocycling is a problem.

Style 627 – Double Shell

The double shell on this gasket allows greater hoop strength and rigidity with the addition of a completely over-lapping inner seal. This gasket will withstand higher compressive loads common in high pressure applications.

Style 629 – Double-Jacketed Corrugated with Corrugated Metal Filler

The metal filler in Style 629 has greater resilience to problems resulting from thermocycling. The temperature limits of this gasket are governed only by the metal selected.

Style 631 – Two-Piece French-Type

This style is ideal for narrow circular applications that require a positive unbroken metal gasket line across the full width of the flange. The filler is exposed on the O.D. The gasket is also available in one, two, and three piece constructions.

Style 635 – Selected Metal and CERAFELT®

The gasket is designed to be used in lightweight flanges. The thick compressible layer of CERAFELT® is shielded on the I.D. with a metallic barrier. Style 635 is commonly used in applications with very hot gases and low pressures.

Style 640 – Solid Metal

This gasket offers extremely tight sealing, high mechanical strength, and good resistance to temperature, corrosion, and pressure. Bolting stress and flange surface finish are key to the preformance of this design.

Style 641 – Solid Metal Profile

Profile gaskets combine the desirable qualities of a solid metal gasket with the advantages of a reduced area of contact, thereby reducing the bold stress required to effect a seal. This gasket has the same advantages of strength, heat conductivity, and resistance to temperature, pressure, and corrosion as Garlock Style 640.

Style 644 – 645 – Single/Double-Jacketed Profile

Metal-jacketed profile gaskets employ the same principle of reduced contact area while protecting the flange faces from damage due to scoring. This gasket can be manufactured in one of two designs; either single jackted (Style 644) or double-jackted (Style 645).