GASKET

Spiral-wound gaskets comprise a mix of metallic and filler material. Generally, the gasket has a metal (normally carbon rich or stainless steel) wound outwards in a circular spiral (other shapes are possible) with the filler material (generally a flexible graphite) wound in the same manner but starting from the opposing side. This results in alternating layers of filler and metal. The filler material in these gaskets acts as the sealing element, with the metal providing structural support.

 

MATERIAL SIZE RATING  
CARBON STEEL 1/2" - 24" 150#
300#
600#
900#
1200#
2500#
order special size
LOW TEMPERATURE CARBON STEEL
ALLOWY STEEL
STANLESS STEEL
NON METAL

 

A gasket is a mechanical seal which fills the space between two or more mating surfaces, generally to prevent leakage from or into the joined objects while under compression. Gaskets allow "less-than-perfect" mating surfaces on machine parts where they can fill irregularities. Gaskets are commonly produced by cutting from sheet materials. Gaskets are used to create a static seal between two stationary members of a mechanical assembly and to maintain that seal under operating conditions which may vary dependent upon changes in pressures and temperatures. If it were possible to have perfectly mated flanges and if it were possible to maintain an intimate contact of those perfectly mated flanges throughout the extremes of operating conditions, a gasket would not be required.

 

MATERIAL SIZE RATING  
CARBON STEEL 1/2" - 24" 150#
300#
600#
900#
1200#
2500#
order special size
LOW TEMPERATURE CARBON STEEL
ALLOWY STEEL
STANLESS STEEL
NON METAL

 

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