Durlon® Extreme Temperature Gaskets (ETG) have been engineered to provide the preeminent solution to sealing gasketed joints having exposure to high temperatures, typically greater than 650°C (1,200°F) and up to 1,000°C (1,832°F). At extreme temperatures, flange assembly torque retention is the key component to maintaining a tight seal. Durlon® ETG combines a oxidation boundary material with the excellent stability and sealing characteristics of flexible graphite in order to preserve seal integrity and to retain the initial assembly torque.

Durlon® ETG adds an inner and outer protection boundary in the form of a mica-phyllosilicate based sealing material called Durlon® HT1000® which consists of phlogopite mica paper impregnated with an inorganic binder at less than half the binder amount found in a typical vermiculite-phyllosilicate filled product. This lower binder content allows for superior weight retention and results in ultimate extreme temperature sealing performance.

Style DRI

Sealing element (D) combined with a centering ring (R) and an inner ring (I) which improves radial strength and protects the sealing element from erosion and inward buckling.

Distinguished Performance in API 6FB Testing – Type 2 (Offshore)

The Durlon® DRI-ETG SWG is the Sealing Industry’s current BEST AVAILABLE TECHNOLOGY for effectively sealing EXTREME TEMPERATURE APPLICATIONS.

Durlon® SWG DRI-ETG sets a new industry precedent with its performance in fire safety tests. The API 6FB Type 2 (Offshore) test, recognized as the most stringent standard, challenges the gasket to perform under the harshest conditions, akin to those found in offshore oil drilling operations. Durlon® SWG DRI-ETG not only passed this rigorous test but did so with zero leakage, an unmatched achievement among high-temperature gasket products on the market. In fact, its performance in the API 6FB Type 2 (Offshore) test demonstrated zero leakage during both the Burn and Cool Down and the Depressurization – Repressurization Tests, a feat unprecedented in any competitor’s Type 1 (Onshore) or Type 2 (Offshore) test report.

Notably, most gasket manufacturers focus almost exclusively on Type 1 tests, often avoiding the more demanding Type 2 tests due to their stringent requirements.
 
Read more about the Durlon^® DRI-ETG SWG API 6FB Testing – Type 2 (Offshore) here.