Metal-clad gasket is a composite gasket made of non-metallic material as the core material, cut into the desired shape, and the outer bread is composed of a thin metal plate with a thickness of 0.25 to 0.5mm. According to the package status, it is generally divided into two types: flat type and corrugated type.
Metal spiral wound gasket is a kind of semi-metal flat gasket made by spirally winding metal belt and nonmetal belt.
PTEE covered gasket is a non-metallic composite soft gasket, generally composed of two parts: encapsulating skin and insert. The encapsulating skin mainly plays a role of anti-corrosion, usually made of PTFE material, the insert (filler) is a non-metallic material with or without metal reinforcement, usually made of asbestos rubber sheet.
The following basic data should be understood when selecting or ordering gaskets
The metal ring gasket is a solid metal gasket processed into an octagonal or elliptical cross section with a metal material, and has a radial self-tightening sealing effect. Therefore, the metal ring gasket is in contact with the inner and outer sides of the flange ladder groove (mainly the outer side), and forms a seal by pressing.
The metal corrugated composite gasket made of flexible graphite is a composite gasket coated with flexible graphite on both sides of a metal plate machined into a corrugated shape. This gasket has both the strength of metal and corrugated elasticity. Features, the highest temperature is 650℃, and the highest pressure can reach 26MPa.