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Презентация на тему Gaskets and sealing materials

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 are commonly produced by cutting from sheet
Gaskets and Sealing materials A gasket is a mechanical seal which fills the space between two Gaskets are normally made from a flat material, a sheet such as Sheet gasketsSolid material gasketsSpiral-wound gasketsConstant seating stress gasketsDouble-jacketed gasketsKammprofile gasketsFlange gasketTypes Of Gaskets and sealings • good compressibility and face adaptability• good recovery • strength • limited Used between moving components and their housings to retain liquidsWithstand high pressure Oil Seals
Слайды презентации

Слайд 2 A gasket is a mechanical seal which fills

A gasket is a mechanical seal which fills the space between

the space between two or more mating surfaces, generally

to prevent leakage from or into the joined objects while under compression.
Gaskets are commonly produced by cutting from sheet materials.
Gaskets for specific applications, such as high pressure steam systems, may contain asbestos. However, due to health hazards associated with asbestos exposure, non-asbestos gasket materials are used when practical.

Appointment


Слайд 3 Gaskets are normally made from a flat material,

Gaskets are normally made from a flat material, a sheet such

a sheet such as paper, rubber, silicone, metal, cork,

felt, neoprene, nitrile rubber, fiberglass, polytetrafluoroethylene (otherwise known as PTFE or Teflon) or a plastic polymer (such as polychlorotrifluoroethylene).

Gaskets made from


Слайд 4 Sheet gaskets
Solid material gaskets
Spiral-wound gaskets
Constant seating stress gaskets
Double-jacketed

Sheet gasketsSolid material gasketsSpiral-wound gasketsConstant seating stress gasketsDouble-jacketed gasketsKammprofile gasketsFlange gasketTypes Of Gaskets and sealings

gaskets
Kammprofile gaskets
Flange gasket

Types Of Gaskets and sealings


Слайд 6 • good compressibility and face adaptability
• good recovery

• good compressibility and face adaptability• good recovery • strength •


• strength
• limited relaxation
• chemical resistance
• temperature

resistance

Requirements for a gasket


Слайд 7 Used between moving components and their housings to

Used between moving components and their housings to retain liquidsWithstand high

retain liquids
Withstand high pressure and high temperatures
Lip seals are

most common type
Some have garter spring to hold seal tight to surface

Sealing materials


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