Spiral Wound Flange Gaskets

Lone Star Sealing Technologies offers a complete range of spiral wound gaskets. Gaskets can be made from a large selection of alloys and filler materials in a variety of shapes and sizes. Some of the most common shapes are as follows.

Style CSStyle S (Sealing Element)
Designed for tongue and grove applications, the style S gasket is a stand alone sealing element where the ID is reinforced with several layers of metal winding, filler material is then introduce to offer greater sealing ability and the gasket is finished with several more layers of metal to help insure stability. 

Style CSIStyle SI (Sealing Element with Inner Ring)
The SI configuration is the same as the S except that a solid inner ring is utilized to prevent over compression. This design is also helpful in turbulent applications which are prone to cause erosion of the flange faces. 

Style SStyle CS (Centering Ring with Sealing Element)
The CS gasket utilizes an external ring where the ID is grooved to insert a sealing element. The external ring or centering ring is designed to properly guide the gasket on a bolted flange accurately centering gasket. The Centering also provides additional radial strength to prevent gasket blowout and acts as a compression limiter. 

Style SIStyle CSI (Centering Ring with Sealing Element and Inner Ring)
The CSI gaskets is best suited where high pressure and temperature is a factor or in applications where corrosive or toxic media maybe present. Like the CS profile, the CSI gasket includes an inner ring which has proven to be very helpful to eliminate inward buckling of the sealing element.

ASME B16.20 requires the use of CSI gaskets when PTFE is used as the filler in all ANSI B16.5 applications as well as: 

     • Pressure Class 900, nominal pipe sizes 24” and larger 
     • Pressure Class 1500, nominal pipe sizes 12” and larger 
     • Pressure Class 2500, nominal pipe sizes 4” and larger 

 
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About Lone Star Sealing Technologies
Lone Star Sealing Technologies was founded in 2004 to better serve the customers of Lone Star Fasteners and Walker Bolt. Our core product line consists of API Ring Joint Gaskets, Proprietary Wellhead Gaskets and Spiral Wound Gaskets. We also provide specialty cut gasket services for our OEM clients as well as general distribution for Raised Faced and Full Faced flange gaskets to ANSI B16.5 dimensions. LoneStar have a variety of high quality of gaskets and other options for fluid sealing applications built to endure, even under the toughest conditions. You can be confident that we go to every extreme to make sure that our products are built to perform. As manufactures and distributors of industrial gaskets for the oil and gas, and petrochemical industries, we know that it takes to produce quality that lasts and we continually tweak product lines in an effort to improve even the most proven gasket in the industry. In 2005 Lone Star acquired the assets of K&W Manufacturing, a Houston based API Ring Gasket producer. Established in 1964, K & W Manufacturing is an industry leader, among a few selected manufacturers in the world, approved by the American Petroleum Institute to apply the API monogram to Ring Joint Gaskets. In 2006 Lone Star acquired Grange Gaskets and Grange Precision Engineering (now Lone Star Grange) based in Leeds, England. Since 1948, Grange has been one of the United Kingdoms premier specialty gasket companies, specializing in Heat Exchange Gaskets of all types and configurations. Grange is world renowned for it's specialty clad gasket capabilities and quick service on spiral wound gaskets.

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