Lone Star Sealing Technologies – Products

Lone Star Sealing Technologies - Products Gaskets 

Ring Type Joint Gaskets

Lone Star maintains API specifications 6A – Wellhead and Christmas Tree Equipment Ring Joint Gaskets; PSI 1,2,3,3G,4, and 17D-Subsea Wellhead and Christmass Tree Equipment Ring Joint Gaskets; PSL 2,3.

Wellhead Gaskets

Lone Star manufactures custom parts from all types of steels, stainless steels and high nickel alloys and are produced to very strict tolerances. Lone Star manufactures all custom products on CNC machine tools. We operate over 20 different machine tools, ranging from small diameter bar-fed machines to large horizontal CNC lathes.

Corruflex Spiral Wound Gaskets

Corruflex spiral wound gaskets are available in a full range of styles and materials and are manufactured in accordance with ASME B16.20 for use in all industry flanges, including ASME/ANSI B16.5, ASME 16.47, Series A & B.

Heat Exchanger Gaskets

Lone Star produces heat exchanger gaskets for shell and tube exchanges in a wide range of materials, sizes, and configurations.

PureTex Expanded PTFE Products

PureTex Expanded PTFE is made of an expanded virgin PTFE that is known for its chemical resistance.

TetraStar Sheet Material

TetraStar is made from PTFE material which is suitable for a wide variety of sealing applications. It is known for its exceptional mechanical and electrical properties, as well as its chemical resistance and durability.

Compressed Non-Asbestos Sheet Material

Lone Star offers a selection of compressed gasket sheet materials manufactured utilizing the hot calendared process. This process combines select fibers and fillers blended with suitable heat resisting binders which are vulcanized into sheets of homogeneous composition and uniform thickness for a wide variety of sealing applications.

Flange Insulation Kits

Lone Star offers a variety of sealing selections for applications where cathodic corrosion is a concern. Gaskets are produced in accordance with ANSI B16.5 specifications and can be supplied individually or assembled in a kit with sleeves and washers.


Corruflex Corrugated Gaskets

Lone Star produces corrugated metal gaskets in both raised face and full faced styles.

KamproStar Gaskets

Lone Star produces Camprofile gaskets manufactured using serrated insert technology.


LS Series Graphite Sheet Material

Lone Star graphite sheet is made from exfoliated graphite flake with high carbon content. It is chemically treated and expanded under high temperature amd pressed for rolling.


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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