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Gaskets • Spiral Wound Gaskets

Spiral wound gaskets are semi-metallic and most commonly used in high pressure applications. These are typically made of two materials, one sealing and the other reinforcing, spiral wound into one gasket.

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  • Spira Manufacturing Corp.

    Spira Manufacturing offers both surface- and groove-mounted spiral-wound gaskets for military, aerospace, commercial and any other projects requiring high-shielding. The Spira-Shield gasket series offer up to 165 dB of shielding, and are available in 1.5, 10 and 30 pounds per linear inch of compression. In addition to the Spira-Shield, Spira offers Quick-Shield for low-cost emission shielding, Ultra Quick-Shield for low-cost high emission shielding and an elastomer encased Flexi-Shield for sealing against rain, wind and dust. Gaskets may also be custom manufactured from .034" to 1.5".

  • Garlock Sealing Technologies

    Garlock Sealing offers Flexseal spiral wound gaskets with patented Stabl-Lock inner wrap construction to prevent sealing elements from contamination, and controlled density processes, which maintain optimum fill density for consistent compression. The multi-use dual flange design can accomodate  both 150# and 300# flanges. Garlock also offers Flexseal HH for boiler handhole/tubecap assemblies, Flexseal heat shielded gaskets rated to 1250F, Flexseal Lo-Load gaskets low bolt loads and Flexseal RW for general purpose, raised face flanges up to Class 2500.

    Garlock Flexseal spiral wound gaskets are suitable for applications such as standard flanges, heat exchange, boiler handholes, manholes and high temperature/high pressure use.

  • Pioneer Rubber & Gasket

    Pioneer's spiral wound gaskets provide additional radial strength for use with both flat- and raised-face flanges up to class 2500. Pioneer spiral gaskets are designed to suit ASME B16.5 flanges. In addition to the 150# CG, Pioneer also offers a 300# CG style spiral gaskets.

  • The Flexitallic Group

    Flexitallic spiral wound gaskets are designed for boiler handholes, flanged joints, heat exchangers, manholes and a variety of other high-pressure/high-temperature applications, for resistance from corrosive and toxic elements. Flexitallic offers CG models for general use, Thermiculite 835 spiral-wound for cryogenics up to 1800F, CGI for flat-face high pressure corrosive/toxic liquid, LS/LSI for Class 150/300 use for low-bolt seating, and M/MC/MCS for boiler manhole cover setups in round/oblong/oval shapes.

  • Mercer Gasket & Shim

    Mercer spiral gaskets are designed for heat exchangers, boilers, flanged-joint and other high-pressure use. Inner steel rings protect the windings and fillers from contamination or corrosion. Winding strip metals include stainless steel, monel, nickel, hastelloy and titanium. Filler materials are treated asbestos and non-asbestos fiber, PTFE, graphite, ceramic and aluminum. Guide ring materials include carbon steel, stainless steel, incoloy, titanium and inconel.

  • Boilersupplies.com

    Boilersupplies.com offers spiral wound gaskets for both flat & raised face flanges. They offer elliptical gaskets sized from 2-3/4" x 3-1/2" x 3/8" to 12" x 16" x 1-1/4" and obround gaskets sized from 2-3/4" x 3-1/2" x 3/8" to 3-1/2 x 4-1/2" x 9/16".

  • Lonestar Fasteners, Inc.

    Lonestar spiral gaskets can be constructed from a variety of alloys and filler materials, and are available in a range of shapes and sizes. Spiral S Series features a sealing element and are designed for tongue and groove use, and are reinforced with multiple layers of metal winding with a filler for an extra seal and reinforced with several more metal layers for added stability. Spiral SI Series is identical to the S, except it features a solid inner ring to protect against overcompression and is designed for turbulent use where flange faces may be eroded. Other models are available.

  • Sealing Devices Inc.

    Sealing Devices Inc. is a distributor of Flexitallic spiral wound gaskets for boiler handholes, flanged joints, heat exchangers, manholes and a variety of other high-pressure/high-temperature applications that need resistance from corrosive and toxic elements.

  • EPM, Inc.

    EPM offers spiral wound gaskets in standard and dual-wound styles for inner and outer sealing, in sizes from 1/2" to 24". Available flange facings are raised face, flat face, male/female face and tongue-and-groove face.

  • Macroseal

    Macroseal features semi-metallic spiral wound gaskets for high temperature/high pressure use, and distributes Flexitallic/Flexpro covered and serrated metal core gaskets, ring joints and metal reinforced gaskets. Macroseal also custom fabricates metal gaskets and plates.

  • Lamons Gasket Co.

    Lamons Gasket Company offers spiral wound gaskets in a variety of densities, for use with pressure ranges of vacuum to 2500 psi flange ratings, and in a temperature range of cryogenic to 2000F. Spiral wound gaskets have an optimum flange surface finish between 125 to 250 AARH, with a maximum of 500 AARH.

  • Allstate Gasket, Inc.

    Allstate Gasket has a range of standard and custom spiral wound gaskets in gasket styles such as 913-1R/RJ, 913-R, LMF 911, LTG 911, STG 911 and 914. Flexitallic styles include CGI, OG-RJ, R, M, MC and HE-CG and Garlock styles range from CR to BH.

  • Columbia Rubber & Gasket

    Columbia Rubber & Gasket offers a range of spiral wound gasket styles including CG, CGI, R, RIR, HX-RIR, LS, CG-RJ, 625 and Carrier Ring. Filler materials range from Flexicarb to ceramic fiber paper, and winding strip materials include stainless steel, inconel, hastelloy, titanium and zirconium.

    HE and HE-CG style gaskets are available, but due to the primary seal sound construction, dimensional drawings locating pass ribs and lock configurations must be submitted on all inquiries/orders.

  • American Seal & Packing

    American Seal offers standard and custom made spiral wound gaskets for manholes/handholes, large diameter gaskets, valve bonnets, guideless gaskets, tongue and groove and variable boiler types. Filler materials offered are PFTE, GRAFOIL, non-asbestos, flexible graphite and ceramics. Stainless steel winding strips are standard issue, but other available materials include hastalloy, monel, nickel, inconel, carbon steel and zirconium. Standard guide rings are carbon steel, but others include monel, inconel, titanium, nickel, hastalloy and alloy 20.

  • Beacon Gasket & Seals Co.

    Beacon Gasket offers low-cost metallic and spiral wound gaskets, and feature Garlock Controlled Density graphite filler on all 150 and 300 pound gaskets and Garlock Edge single/dual flange gaskets with Stabl-Lock inner wrapping, square cut retaining grooves and modified guide rings with relief ports in the outer ring.