HIGH PERFORMANCE SEALING 11.08

J&xpw GASKETS FOR ENHANCED JOINT INTEGRITY Although relatively new to the U.S. market, the FLEXPRO gasket has been providing an extremely tight, reliable seal in a wide range of applications throughout Europe since its development in Germany over 70 years ago. Flexitallic is pleased to introduce the FLEX- The FLEXPRO gasket is comprised of a concentrically serrated solid metal core with a soft, conformable sealing material bonded to each face. The soft facing material provides low stress gasket seating, while the serrated geometry of the metal core enhances sealing performance by inducing stress...

IDEAL FOR HEAT EXCHANGER FLANGES Although suitable for use on standard ASME flanges in a wide range of difficult applications, the FLEXPRO gasket is proving to be espe- cially suitable as a reliable, cost effective alternative to jacketed gaskets that are commonly used in heat exchanger applications. Use of the Flexitallic FLEXPRO gasket will ensure a reliable seal, from initial hydrotest through difficult operating conditions. FLEXPRO gas- kets are suitable for use on TEMA flanges, and when required, pass partition ribs can be supplied in any configuration. The FLEXPRO gasket provides a high...

Independent PVRC Testing Confirms Superior Tightness Room Temperature Tightness (ROTT) Behavior Characterization PERFORMANCE IN ROTT TESTS The results of two ROTT tests conducted at TTRL1 on Flexitallic Flexpro gaskets are shown in Figure 1. At the highest Part A stress level (S5 -15160 psi), Tp values above 55000 were obtained. A tp of 55000 corresponds to a Helium leak rate of approximately Part B test data indicates that this gasket maintains superior tightness during stress cycling. GASKET CONSTANTS The calculated gasket constants are reported in the table below, along with computed values...

Cycling Comparison During operation, unloading of a bolted-gasketed joint can occur due to pressurization, fluctuation in pressure and temperature, thermal effects, joint relaxation, etc. PVRC test data confirms the superior ability of the FLEXPRO gasket to maintain tightness under these cyclic loading conditions. As shown in the graph, when gasket stress is reduced from 8000 psi to 4400 psi, the Flexitallic FLEXPRO gasket leaks 100 times less than the Graphonic gasket. When subsequently reloaded to a gasket stress of 4400 psi and 8000 psi, the FLEXPRO gasket leaks 20 times less than the Graphonic®....

Dimensional Data

Jfaepnr GASKETS Proven Performance in the Field . . . TYPICAL APPLICATIONS: HEAT TRANSFER FLUID Design Temperature - Ambient Superior Performance by Design . . .

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