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EnglishSpiral Wound Gaskets are the most used semi-metallic Gaskets for high pressure joints. Depending on the flange type and application, a wide variety of configurations of the Spiral Wound Gasket can be used.
Spiral Wound Gaskets are the most used semi-metallic Gaskets for high pressure joints. Depending on the flange type and application, a wide variety of configurations of the Spiral Wound Gasket can be used.
Most of the world know PTFE as the trademark name, Teflon, which is a non-stick coating on cookware such as non-stick pans. But uses for PTFE and the applications it plays into goes much further than just cookware.
Grooved gaskets have proved themselves in all industrial applications.
Metal Jacketed Gaskets, as the name suggests, consist of a metallic outer shell with either a metallic or nonmetallic compressed fiber filler. The filler material gives the gasket resilience while the metal jacket protects the filler and resists pressures, temperatures and corrosion.
PTFE was discovered accidentally by Roy J. Plunkett at the DuPont Company's Jackson Laboratory in 1938, during an attempt to manufacture a chlorofluorocarbon for use as refrigerant for the compression cycles.
In order to overcome some of the setbacks of the solid polymerized Teflon, gaskets have been produced to take advantage of the resilience of asbestos, rubber and other like materials.
The main properties of PTFE, which define its key areas of application include:
High melting point and enhanced mechanical strength.
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