What are the different types of button gaskets?

A gasket is a mechanical seal between two objects that is normally used to prevent pressure, corrosion, and natural thermal expansion and contraction between the two objects. Because the machined surface is not perfect, the use of spacers can fill irregularities. The gasket is usually made of a sheet material such as pad paper, rubber, silicone rubber, metal, cork, felt, neoprene, nitrile rubber, glass fiber or plastic polymer (such as polytetrafluoroethylene). Application-specific gaskets may contain asbestos.


Washer washer The part that is placed between the connector and the nut, typically a flat metal ring.

Non-metallic gaskets Non-metallic gaskets are made of non-metallic gaskets such as asbestos, rubber, synthetic resin, and PTFE. a Non-metallic jacket gasket Non-metallic jacket gasket Outer layer of non-metallic gasket such as synthetic resin.

Semimetal gasket Semimetal gasket made of metal and non-metallic materials, such as wound gaskets, metal-clad gaskets. a spiral wound gasket spiral wound gasket V-shaped or W-shaped metal tape clip non-metallic tape, spiral wound gasket. 1) Inner ring Inner ring A metal ring set in the inner ring of a wound gasket. 2) Outer ring The outer ring is set on the outer ring of the wound gasket. b Metal cladding

Metal gasket Metal gasket A gasket made of metal such as steel, aluminum, copper, nickel, or Monel.

Wound gasket refers to the use of metal tape (usually v-shaped steel tape) and non-metallic tape wound into a ring gasket, metal tape and non-metallic tape alternately wrapped, because of its good flexibility, widely used in petrochemical, chemical, In the flange sealing structure of electric power and other industries, a steel ring can be positioned or reinforced on the inner or outer layer of the gasket according to the specific location.

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