Gasket Selection

Any type of gasket used in harsh environments, to ensure an effective seal for a long time, must have the following eight key features:

Tightness

Sealing systems for media, gasket at the recommended temperature and pressure of work leakage does not occur within a certain time.

Compressibility

Gasket and flange contact surface in connection bolt, it should be a good fit, in order to ensure sealing.

Creep resistance

Gasket load and temperature in the pressure under the influence of creep resistance should be good, otherwise return loss caused by the bolt torque, leading to the gasket surface stressdecreases, and thus hard gas system leaks.

Resistance to chemical corrosion

the gasket should be excluded from the selected chemical medium corrosion, and can not be contaminated media.

Elasticity

Even under conditions of stability in the system, connecting the two flanges due to temperature and pressure will certainly be the existence of small displacement, the elastic gasket should be able to compensate for this displacement function to ensure that the sealing system.

Anti-bonding nature of

Gasket after use should be easily removed from the flange, not bonding

Non-corrosive

The surface of the flange gasket should connect non-corrosive.

Temperature-resistant

the gasket should be chosen to ensure the system's minimum temperature and maximum temperature under normal use.
 



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