These can be produced in a wide range of sizes, shapes and thicknesses as well as var iable densities to suit a var iety of sealing requirements. Spiral wound gaskets are precisionengineered for flanged joints, heat exchangers, boiler handholes, manholes and hightemperature applications, and offer resistance to corrosive and toxic elements. Welcome to the next generation of sealing technology. The document stated that plaintiffs spiral wound gaskets do not comply with asme b 16. Flexitallic style cg and cgi spiral wound gaskets can be asme b16.
Feature an external ring that centers the gasket on the flange face. This document is the property of flexitallic us, llc and is not to be reproduced, transmitted to another, nor used for the purpose of manufacturing of. No other company knows more about spiral wound gaskets, in fact, flexitallic invented the spiral wound gasket. They are suitable for replacing aramid, glass, and carbon fiber. Gaskets spiral wound gaskets the industrial resource. Style aspcg spiral wound gaskets are ideal for high temperature and high pressure applications.
Flexitallic style cg and cgi spiral wound gaskets can be manufactured in accordance with all relevant gasket standards to suit the following flange designations. The aspcg style uses an 18 external ring which accurately centers the gasket on the flange face and provides additional radial strength to prevent gasket blowout and act as a compression stop. Style ls gaskets have the inherent strength, resiliency and blowout resistance of spiral wound gaskets, yet require low bolt load for seating. Flexitallic experienced success in the us market after introducing the first spiral wound gasket for industrial use. Describes a spiral wound gasket with an outer ring, but no inner ring, i. Looking for flexitallic 316ss and flexible graphite spiral wound metal gasket, 1218 outside dia. Spiral wound gaskets of nonstandard dimensions and shapes, and larger diameters are available on request.
It includes guidance to plant engineers on specifying gaskets. Flexitallics spiralwound gasket was the sole asbestoscontaining product manufactured by flexitallic gasket company and the primary cause of asbestosrelated claims against the company. The company manufactured gaskets from the very beginning. Over the years, the company underwent several ownership and name changes, including to. Apr 07, 2019 spiral wound gaskets are precisionengineered for flanged joints, heat exchangers, boiler handholes, manholes and hightemperature applications, and offer resistance to corrosive and toxic elements.
The current m and y data we have available on selected gasket products. Style aspcg spiral wound gaskets are ideal for high temperature and high pressure. To combat the effects of pressure and temperature fluctuations, flexibility and recovery are essential. Data specification sheet novus spiral wound gaskets special profiles in the event of a graphite filled spiral wound possibly causing an undesirable reaction between graphite and the medium to be sealed, or of a possible medium contamination, the problem can. The flexitallic spiral wound gasket is the precisionengineered solution for flanged joints, heat e. Over the years, the company underwent several ownership and name changes, including to flexitallic gasket company and gasket holdings, inc. Flexseal industrial is a full line gasket and oring distributor. Technical catalogue spiral wound gaskets comdiflex. Spiral wound gasket spiral wound gaskets by the flexitallic. Comparative tests have shown this revolutionary, nonconductive material combination provides sealing reliability in corrosionsensitive conditions unlike.
Flexitallic does not accept responsibility for the misuse of this information. Learn about spiral wound gasket including dimensions and. From the 1960s through the 1990s, flexitallic developed many other gaskets and sealing products, but the flexitallic spiralwound gasket was the companys most popular. Introduction first and foremost the concept of spiral wound gasket construction was originated by flexitallic in 1912, inaugurating the beginning of a new era in safe, effective sealing. Data specification sheet novus spiral wound gaskets. Many spiral wound gaskets for critical applications include an inner guide ring also, which gives the gasket a greater resistance to thermal shock and in the case of vacuum service prevent the filler material being sucked in. The data is presented in english and international system metric units. With greater emphasis than ever before placed on joint tightness, more atten. Plaintiff alleges that the statement by defendant is false and misleading because plaintiffs spiral wound gaskets comply fully with the asme standard. The change gasket design combines aspects of both a traditional spiral wound gasket and a kammprofile, improving upon both using. Available styles of spiral wound gaskets 4 style w style w spiral wound gaskets are comprised of just the metallic windings and the soft, nonmetallic filler. This will not damage the gasket or affect the sealing performance and the ring is provided as a compression limiting stop. Styles cg and cgi can be compressed to the ring thickness, if necessary. View all products from flexitallic the market leader in the manufacture and supply of static sealing solutions, delivering high quality industrial gaskets on a global scale.
Flexitallic spiral wound gaskets and metal seals provide years of sealing for longterm performance under harsh evironments and service. Flexitallic is back to full capacity, sales and operations side of the business. Required gasket compression for spiral wound gaskets spiral wound gaskets with internal or external rings, i. Download spiral wound gaskets dn 15 to 600 asme b 16. The flexitallic spiral wound gasket is the precisionengineered solution for flanged joints, heat exchangers, boiler handholes, manholes, and other hightemperature, highpressure applicationsproviding resistance gaekets virtually every known corrosive and toxic element. Flexitallic spiral wound gaskets flexitallic uk ltd. At the start and conclusion of the spiral form, several continuous turns of the metallic windings are securely welded together. We manufacture spiral wound gaskets in sizes from dn 10 to a diameter of 1200 mm. For optimum performance flexitallic spiral wound gaskets should be compressed to these thicknesses.
These types of gasket are used in higherpressure applications. New product for f,exitallic prevention in seawater and hydrocarbon services find out more new location now open in geismar, louisiana offering full service sales, technical, and engineering support to the louisiana gulf. Spiral wound gaskets have an optimum flange surface finish between 125 to 250 aarh, with a maximum of 500 aarh. Provides additional radial strength to help prevent gasket blowout and acts as a compression stop. Inner rings should be used with spiral wound gaskets on maleandfemale flanges, such as those found in heatexchanger, shell, channel, and coverflange joints. Generally, the gasket has a metal normally carbon rich or stainless steel wound outwards in a circular spiral other shapes are possible with the filler material generally a flexible graphite wound in the same manner but starting from the opposing. Flexitallic, the worlds leading manufacturer and supplier of static seals and the originator of the spiral wound gasket, is committed to sealing solutions for todays industry. The style ls spiral wound gasket has been engineered by flexitallic to provide an alternative to sheet gaskets in class 150 and class 300 service.
The metal is intended to offer strength and resilience while the nonmetallic components provide conformability and sealabililty. Introducing the spiral wound gasket that reinvents the category. Thermiculite 835 is a high temperature filler material for spiral wound gaskets. The flexitallic brand can trace its history to mid1800s england. Selection guide published as an indication of which flexitallic spiral wound gasket best suits different pipe flange configurations and service conditions. Flexitallic spiral wound metal gasket, 212in, 316ss cg. Spiralwound gaskets comprise a mix of metallic and filler material. Spiral wound gaskets with internal or external ringsie styles cg and cgi should be fully compressed to the ring thickness. Metalreinforced spiralwound ring gaskets meet ansi b16. 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. Our spiral wound gaskets are made of a preformed metallic strip and a soft filler material ptfe, or flexible graphite, wound together under pressure. Table 22 recommended torque cg spiral wound gaskets 33 table 23 recommended torque cgi spiral wound gaskets 34 table 24 bolting data for asme b16. When flexitallic invented the spiral wound gasket in 1912, there was nothing like it. Order flexitallic spiral wound metal gasket, 212in, 316ss, cg at.
Flexitallic is actually a manufacturer of spiral wound gaskets. Spiral wound gaskets flex gasket part numbers for 347ss windings graphite filler carbon steel outer ring 7635 ronson road san diego, california 92111 ph. Lower bolt stressreduced fugitive emissions flexitallic recommended minimum bolt brque figures for use with the lsi gasket on asmeb16. Available for solidworks, inventor, creo, catia, solid edge, autocad, revit and many more cad software but also as step, stl, iges, stl, dwg, dxf and more neutral cad formats.
Spiral wound gasket the identification of metallic winding materials and fillers the color coding on outer ring for clear identification, zw spiral wound gaskets nominate a colorcoding system around the outside edge of the outer ring, thus allowing full identification of both the winding strip and filler materials in according to asme b16. The metal strip, in 304, or 316 stainless steel, holds the filler resulting in excellent mechanical resistance, resilience, and recovery. The gasket was made by spiraling alternating strips of asbestos tape and metal into an interior ring, which was then fitted inside an exterior metal ring. No costly shutdowns, no unplanned maintenance events. Please note that gaskets for nonstandard flanges are also readily available. The primary purpose for this development was the increasingly severe temperatures and pressures used by u. Low stress spiral wound type gasket, flexible graphite filled 598 0. We offer superior customer service and are committed to meeting the needs of all your industrial sealing applications. The most common semimetallic gaskets are spiral wound gaskets.
Flexitallic gasket broad term sometimes used to describe nearly any type of spiral wound gasket. Flexitallic is the market leader in the manufacture and supply of static sealing solutions, delivering high quality industrial gaskets on a global scale. Flexitallic 316ss and flexible graphite spiral wound metal. Aug 31, 2019 the flexitallic spiral wound gasket is the precisionengineered solution for flanged joints, heat exchangers, boiler handholes, manholes, and other hightemperature, highpressure applicationsproviding resistance gaekets virtually every known corrosive and toxic element. In the early 1900s, flexitallic moved to the united states, placing its headquarters in camden, new jersey. However, from a sealing technology point of view, at diameters above 1100 mm is recommended the use of grooved gaskets. Spiral wound gaskets have an optimum flange surface finish between 125.
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