The conclusion drawn from searching for information on online information is that an octagonal gasket is a solid metal gasket with a cross-sectional shape of octagon made of metal material through forging, heat treatment, and mechanical processing. It has a radial self tightening sealing effect and is a type of standard R-shaped metal ring gasket. Its principle of action is the contact between the gasket and the inner and outer surfaces (mainly the outer surfaces) of the flange ladder groove, and the sealing effect is formed by compression.
From other aspects, the octagonal gasket materials include carbon steel, 304, 316, etc. Product material quality assurance testing. Octagonal gasket and oval gasket material: carbon steel, stainless steel 304, 316, etc. Shape: tooth shaped, octagonal, oval. Applicable range: temperature: -200-800 ℃, pressure: 0-40 megapascal. Suitable for flange sealing of high temperature and high pressure pipelines.
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