These types of gasket are used in higherpressure applications. Klinger spiral wound gasket type cr sheet and ring gaskets. Spiral wound gaskets super inhibited graphite style. Durlon gasket materials should never be recommended when both temperature and pressure are at the maximum listed. Spiral wound gasket inwards buckling 119 figure 54. The buckling of spiral wound gaskets swgs causes turbulence of the fluid flow inside flanges and may result in leakage failure over time due to the unwinding of the spirals. The spz spiral wound gasket can withstand severe operation conditions, as the ptfe sealing zone is protected by areas with graphite filler. It is created by winding alternating strips of metal and filler material. The basic element of every gasket is the wound core.
Besides the multiple sealing actions of the metal edges, the filler compresses under the bolt load to make another barrier against leakage. The spiral wound design is most popular because it makes a good all round gasket. According to the need of the mating flange, the gasket is provided with an outer ring, an inner ring or both outer and inner rings. Published as an indication of which flexitallic spiral wound gasket best. All types of spiral wound gaskets can be manufactured, cg, cgi, r, rir, etc. The vshaped metal strip is spirally wound with the soft material filler.
Spiral wound gaskets first and foremost the concept of spiral wound gasket construction was originated by flexitallic in 1912, starting a new era in safe, effective sealing. Spiral wound gaskets can be reinforced by an outer centering ring andor inner retaining ring. While shelf life is a term generally discussed with regard to storage and not service life, it. Klinger spiralwound gaskets the basic element of every gasket is the wound core. To provide a compression stop the depth of the tongue, groove or recess is controlled to provide optimum compressed gasket thickness with metal to metal contact at the flange faces see page 25, table 16. Spiral wound gaskets are available for classes 150 to 2500. Easy online ordering for the ones who get it done along with 247 customer service, free. On the buckling of spiral wound gaskets request pdf. Selection guide published as an indication of which flexitallic spiral wound gasket best suits different pipe flange configurations and service conditions. Although its basic fundamental principle has changed little since its creation, the production techniques and materials that have been developed.
Durlon spiral wounds are packaged with the utmost care to prevent damage during shipping to the job site. Teadit metalflex spiral wound gaskets styles 9, 9m, 9mcmp, 9rj, 9mrj, 9mxhr the construction of this gasket is a circular metal winding with an outer centering ring. The spiral wound gasket is manufactured to asme b16. Spiral wound gaskets combine the ease of sealing of a graphite, ptfe or mica filler with the strength afforded by a specially profiled metallic, springlike reinforcement. Spiral wound gasket dimension to en 15142 din 2690 used with en 1092 flanges spiral wound gasket dimension to asme b16. Our engineering team has extensive experience in working together with customers in co engineering projects in the automotive industry and other industries where special. Introducing the spiral wound gasket that reinvents the category. Characteristics the spiral wound gasket is suitable for use across a wide pressure range and is therefore virtually applicable. Custom filler, winding strip, guide ring and inner ring materials are available upon request. The gasket in a bolted flange connection is but one essential component in that complex mechanical device that enables lowleakage service. When flexitallic invented the spiral wound gasket in 1912, there was nothing like it.
This will not damage the gasket or affect the sealing performance and the ring is provided as a compression limiting stop. Consult flexitallics entire spiral wound gasket catalogue on directindustry. Advanced sealings style swi spiral wound gasket is made up of a spiral wound sealing element with an outer guide ring that serves to center the gasket in a standard flange, and an inner ring to prevent inward buckling of. It can adjust for temperature changes, shock, and vibration, and can be used at fairly high temperatures and pressures.
The flexitallic spiral wound gasket is the precisionengineered solution for flanged joints, heat exchangers, boiler handholes, manholes, and other hightemperature, highpressure applicationsproviding resistance to virtually every known corrosive and toxic element. Shelf life is defined as the period of time during which a material may remain suitable for use during storage. Type swi spiral wound gasket with inner support ring. Spiral wound gasket dimensions and sizes for asme b16. Inner rings shall be furnished with all spiralwound gaskets having ptfe. The change gasket design combines aspects of both a traditional spiral wound gasket and a kammprofile, improving upon both using. A high quality gasket material containing high strength aramid and inorganic fibers bonded with sbr rubber. Gasket handbook 1 edition fluid sealing association. It is suitable for wide range of pressure and temperature class. The concept of spiral wound gasket construction was originated by flexitallic in 1912, inaugurating the beginning of a new era in safe, effective sealing. The hoop also provides the basic structural element for the gasket while the nonmetal. Edmonton, b 8700 v 7803989 27 spiral wound gaskets spiral wound gaskets are designed for asme b16. The objective is to make available in india, spiral wound gaskets manufactured to the most exacting international standards such as api 601, asme b16.
For gaskets with a diameter no superior to 1200 mm the thickness of 4,5. Type swio spiral wound gasket with centring ring and inner ring. Styles cg and cgi can be compressed to the ring thickness, if necessary. Spiral wound gaskets of nonstandard dimensions and shapes, and larger diameters are available on request. Flexitallic style cg and cgi spiral wound gaskets can be. Profiles type sw spiral wound gasket without inner and outer ring for force shunt and groove and spring applications. Spiral wound gaskets are made of a preformed thin metallic strip combined with a soft sealing composite material, wound together under pressure to energize. Ga9100 spiral wound gasket spiral wound gasket swg consists of thin metal hoop and nonmetal filler material that are simultaneously wound. Spiral wound gasket spiral wound gasket is made of alternate piles of vpreformed hoop and soft filler that are tightly and spirally wound together. Material combinations for all operating conditions. Inner rings for flexible graphite filled spiral wound.
Double colour coding for spiral wound gaskets as per asme b16. Flexseal industrial is a full line gasket and oring distributor. They are very susceptibe to damage and prone to springing when dropped, bumped. This dual sealing design engages the raised face completely from the od to the bore. 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. Spiral wound gaskets flexitallic pdf catalogs technical. 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. The primary purpose for this development was the increasingly severe temperatures and pressures used by u. Searching for klinger spiral wound gasket type cr sheet and ring gaskets. An excellent choice for steam or services where a white gasket material is required. The sealing element is made of alternating plies of a specified metal and soft sealing material. Required gasket compression for spiral wound gaskets spiral wound gaskets with internal or external rings, i. Leader gasket technologies develops and manufactures special and custom made seals and gaskets according to customer specifications for various oem and customized applications. The most common semimetallic gaskets are spiral wound gaskets.
Technical catalogue spiral wound gaskets comdiflex. The spiral wound gasket can be used to seal fluid pressures up to 250 bar and. The sealing element is manufactured by interleaving plies of alternating metallic winding strip and filler to create a gasket that is robust and easy to install. Spiral wound gaskets, flexpro gaskets grooved metal gasket with. Dimensions of spiral wound gaskets class 150, asme b16. Spiral wound gaskets can be fabricated of any metal which is available in thin strip and which can be welded.
Klinger spiral wound gasket type cr sheet and ring. Spiral wound gasket is composed of a steel outer ring, a spiral wound sealing strip filler and a special steel inner ring. We offer superior customer service and are committed to meeting the needs of all. The usual nominal thickness of spiral wound gaskets are between 3,2 mm and 4, 5 mm. The vshaped metal strip is spirally wound with the softmaterial filler. Spiral wound gasket basic characteristic and styles. Standard spiral wound gasket sunwellsw600 products are manufactured in accordance with all relevant gasket standards. The metal strip holds the filler, providing the gasket with mechanical resistance and resilience. The most widely used composite type gasket is a spiral wound gasket. The metal hoop is preformed in v or w shaped profile, which allows the gasket to act as a spring between the flanges. Lamons spiraseal product family spiral wound gaskets have become extremely popular due to the wide variety of available styles and sizes. Spiral wound gaskets are manufactured by spirally winding a vshaped metal strip and a strip of nonmetallic filler material. Compressed nonasbestos fiber sheet gasket m596l spiral wound gasket 6596 spiral wound gasket 550 ring joint gasket sf300 for white mf300 for white sf300 for white mf300 for white, 7020 up to 1. Spiral wound gaskets types icp sm01 the gasket is composed of v shape metal strip with different kind of soft fillers.
Suitable for use with flat face and raised face flanges. If you have a spiral wound gasket need, there is a high probability that we have your gasket in stock including inner ring styles. The vitaflex spiralwound gasket operates by the axial compression of the winding, which results in the plastic deformation of the filler material ptfe or. See note at bottom of page 8 for inner ring requirements. The sealing element is manufactured by interleaving plies of alternating metallic winding strip and filler to. Learn about spiral wound gasket including dimensions and. Wrilp is a spiral wound gasket with a conventional outer guide ring and a kammpro style lp1 inner ring. Spiral wound gasket flexitallic pdf catalogs technical. Outer guide ring is fitted to centralise the gasket between the bolts and to act as a compression limiter. Weve been winding for over 40 years youre probably looking for a. Klinger spiral wound gaskets the basic element of every gasket is the wound core. The outer ring serves as a compression stop, antiblowout device. The primary purpose for this development was the increasingly severe temperatures and pressures used. To improve the mechanical strength and other sealing characteristics, some layers at the beginning and at the end are wound without soft material and spotwelded over the total circumference.
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