Jacketed Gaskets

Description:

The most basic type of the metal jacketed semi-metallic gasket has a compressible insert enclosed within metallic jacket. The soft insert material forces the metal to deform to suit the flange surface and effect a seal. Metal jacketed gaskets can be manufactured with a number of metals and high temperature fillers. Metal Jacketed gaskets consist of a metallic outer shell with either a metallic or non-metallic compressed fibre filler. The filler material gives the gasket resilience, while the metal jacket protects the filler and resists pressures, temperatures and corrosion. Metal jacketed gaskets often are used because of their efficiency where to a defective or incorrect alignment of the flange to compensate, a sealing performance is required, which can withstand a nip pressure of 20 to 30% of the original strength. The metal jacketed are ideal for sealing surfaces of heat exchangers, valve cover, gas lines, vacuum tubes, Cast iron flanges, autoclaves, boilers and complexes for level indication.

100

Single Jacket: The most basic form of jacketed gasket, with coverage on one face and both edges.

101

Single Jacket with Overlap: Where full coverage is needed and flange is narrow relative to gasket ID.

105

Double Jacket: Where full coverage is needed and flange is wide relative to gasket ID.

106

Double Jacket with Double Shell: Stronger and more rigid than double jacket gasket.

130

Double Gasket Corrugated: Corrugations create a labyrinth seal across the gasket face.