When flexitallic invented the spiral wound gasket in 1912, there was nothing like it. So, for any kind of metallic, nonmetallic, and semimetallic gaskets, and specially the best spiral wound gaskets, you can approach trim engineering services to get the bestinclass products. For price price list of gaskets spiral wound gaskets pri. 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. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party.
Guide rings and material selection benefits of center ring. Gasket handbook 1st edition fluid sealing association. 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. Heroos600 spiral wound gasket is formed of vshaped metallic strip and soft nonmetallic filler. Although its basic fundamental principle has changed little since its creation, the production techniques and materials that have been developed. Style aspcg spiral wound gaskets are ideal for high temperature and high pressure applications. Dimensions spiral wound gaskets for use with flanges din en. Low stress spiral wound type gasket, flexible graphite filled 598 0.
The primary purpose for this development was the increasingly severe temperatures and pressures used. The outer centering ring centers the gasket within the flange and. Gaskets for pipe flanges which includes spiral wound gaskets and nonmetallic. Use the filters to narrow down your product selection, or you can also view the products by product type. The spz spiral wound gasket can withstand severe operation conditions, as the ptfe sealing zone is protected by areas with graphite filler. Sealing devices is an authorized flexitallic spiral wound gasket and metal gasket supplier in addition to.
Spiral wound gasket basic characteristic and styles. The gasket features a solid metal inner ring nominally 0. The designdimensions of the gasket diameters are stipulated by the asme b16. Standard external winding diameters range from 12 mm to. Spiral wound gasket style cg with internal ring for an additional compression limiting stop, with flexible graphite filler material. The flexitallic change gasket performs without fail 60% longer than any other heat exchanger gasket, spiral wound, double jacketed, cmg or kammprofile gasket. Support rings, inside and outside the spiral, improve the gaskets handing, fitting and versatility.
Multiple plies of metal and filler in the spiral create a barrier that reduces the possibility of leaks. Spiral wound gasket spiral wound gasket is made of alternate piles of vpreformed hoop and soft filler that are tightly and spirally wound together. Mechanical durability, high flexibility and exceptional recovery in heavy operation conditions keywords. The style m spiral wound gasket is designed for boiler manhole cover assemblies. Introducing the spiral wound gasket that reinvents the category. The maximum winding width is determined by the component materials, thickness, and gasket diameter.
The outer ring serves as a compression stop, antiblowout device. Garlock loload spiral wound gaskets provide the superior sealing capabilities of a standard spiral wound gasket for flange connections with a low available bolt. According to the need of the mating flange, the gasket is. During the inspection of spiral wound gasket dimensions, you should check for diameter inside outside thickness centering ring dimensions permissible variations of gasket dimensions are. Dimensions spiral wound gaskets for use with flanges din en 10921. Fluid sealing products supplies spiral wound gaskets in virtually all metallic winding and filler materials. The information provided on this website is given in good faith and is to be used for customer assistance only, and without liability on the part of the company. Image shows a spiral wound gasket with inner and outer ring.
Style cg spiral wound gaskets utilize an external ring which accurately centers the gasket on the flange face, provides additional radial strength to prevent gasket blowout and acts. It is used between flanges to enable a leakproof joint. Class 900 nps 24 to 48 class 1500 nps 12 to nps 24 class 2500 nps 4 to nps 12. Spiral wound gasket for 3 pipe size 300 lb class flange 304 stainless winding and graphite filler meets amse b16. We manufacture spiral wound gaskets in sizes from dn. Tolerance outside diameter for nps 1 2 through nps 8 is 0.
Style r spiral wound gaskets embody all the exclusive features for keeping compression values in balance with bolting and providing adequate resilience to compensate for. The metal strip provides outstanding resilience, while the flexible sealing filler guarantees excellent sealing. We maintain a vast inventory of spiral wound gaskets from the leading. When ordering it providing complete specification is required. Style mc spiral wound gaskets have preformed inner andor outer rings made of spiral windings. Spiral wound gaskets swg general information and description the sealing element of the spiral wound gasket consists of a vshaped metal strip spirally wound in combination with a soft sealing material filler. Learn about spiral wound gasket including dimensions and.
Spiral wound gasket dimensions class 150 to class 2500. The spiral wound gasket outer centering ring provides the following benefits. 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. 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. Please note the gaskets for non standard flanges or heat exchanger with partitions are also readily available. Dimensions of spiral wound gaskets class 150, asme b16. Spiral wound gasket dimensional table for flanges according to standard asme b16. The inner ring provides a positive stop preventing the gasket from over compression and possible damages. Corrugated metal gaskets cmg flexseal spiral wound. Spiral wound gaskets spiral wounds are available in a fill range of styles and material and are manufactured in accordance with asme b16.
Type swio spiral wound gasket with centring ring and inner ring. Gasket handbook 1 edition fluid sealing association. Material selection for spiral wound gasket wealson. They are usually round, obround or oval shape, depending of course, upon the manhole plate configuration. Style rir spiral wound gaskets are manufactured to 0. A spiral wound gasket may include a centering ring, an inner ring or both.
The change gasket design combines aspects of both a traditional spiral wound gasket and a kammprofile, improving upon both using. These gaskets are widely used and cover a large array of applications. The metal hoop is preformed in v or w shaped profile, which. Spiral wound gaskets information 3 available styles of spiral wound gaskets 46 dimensions for style w to suit lar ge male and female joints 7 style w spiral wound gasket tolerances 8 dimensions for style w to suit lar ge and small tongue and groove joints double colour coding for spiral wound gaskets as per asme b16. The spiral wound gaskets are used to replace the plastic gaskets asbestosfree or graphite when their limits of application are exceeded. Spiral wound gasket dimensions are in millimeters unless otherwise indicated. Spiral wound gaskets are manufactured in many different material combinations as well as a wide range of dimensions and shapes. Optimum location between the bolts protection of the spiral wound element additional security against gasket blowout acts as compression limiter preventing overloading and over compression of the spiral wound element prevents radialflow of soft fillers. The metal hoop is preformed in v or w shaped profile, which allows the gasket to act as a spring between the flanges. Pressure class 900, nominal pipe sizes 24 and larger, pressure class 1500 from nominal pipe sizes 12 and larger, pressure class 2500 from nominal pipe sizes 4 and larger and all ptfe filled gaskets. Spiral wound gasket swg consists of thin metal hoop and nonmetal filler material that are simultaneously wound. Table of dimensions and tolerances of spiral wound gaskets.
Dimensions are in millimeters unless otherwise indicated. In this article we will discuss the spiral wound gasket basic characteristic and styles. Gasket selection sprial wound gaskets one of the best allaround seals, the spiral wound gasket offers a lowcost solution that has the ability to handle temperature and pressure fluctuations. Please contact flexitallic application engineering for technical assistance. Spiral wound gaskets of nonstandard dimensions and shapes, and larger diameters are available on request.
Kaxite professional spiral wound gasket, ring joint gaskets,manufacturers and suppliers in china, providing bulk products for sale. Dimensions of spiral wound gaskets class 300, asme b16. Spiral wound gasket design, materials and application. The change gasket is easy to handle and install as a doublejacketed gasket. The design of spiral wound gasket is covered by asme. Welcome to wholesale the best customized gasket at low price here. The spiral wound gasket with center ring is for use w ith flat face and raised face flanges, this gasket features increased compressive. Sunwell sw600 spiral wound gasket is formed of vshaped metallic strip and soft nonmetallic filler. Spiral wound gaskets flexitallic equals gasket material.
A spiral wound gasket consists of a spirally wound vsection metal strip with filler material and an outer metallic ring to hold the windings in place. The aspcg style uses an 18 external ring which accurately centers the gasket on the flange face and. 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. Spiral wound gaskets of nonstandard dimensions and. The spiral wound gasket element is precision formed using a v shaped.