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 Metallic
Gaskets and Sealing Products
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Metal
Jacketed Gasket
Metal jacketed gaskets are semi-metallic gaskets in which a non-metallic
filler is jacketed with sheet metal to produce a seal of exceptional
strength. The soft filler allows for better compressibility as compared
to a pure metallic gaskets. This makes for better sealability on irregular
flange surfaces. The application temperature is limited by the filler
material and the metalīs endurance. There is a minimum lap width whch
must be taken into consideration when relatively small diameters or
radii are required. |
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Ring
Type Joint
Solid metal type gaskets are designed for use in high temperature
and high pressure environments. These gaskets must perform in very
demanding applications often in the presence of strong corrosive agents.
Made from solid metal and machine formed to the desired dimensions
and shape they are commonly found in refineries, oil and gas fields
and in chemical process plants. They are available in a variety of
materials. It is strongly recommended that the gasket metal be softer
than the flange material. |
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Spiral
Wound Gaskets
Spiral wound gaskets are special semi-metallic gaskets of great strength
and resilience. Manufactured by spirally winding V-shaped metal strips
and strips of non-metallic filler with good sealing characteristics,
they are suitable for use under heavy operating conditions at high
temperature and pressures. Applications include the sealing of flange
joints, boilers, heat exchangers, valves and pressure vessels. Inner
rings and outer rings may be added to reinforced the gasket. A range
of metals and filler materials are available to suit different applications.
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