FIELD: manufacturing procedure.
SUBSTANCE: invention relates to flat sealing gaskets for sealing the detachable flange connections, for example, flanged connections of pipelines, fittings, pressure vessels. Wave gasket contains a metal ring with a wave cross-section, located between the graphite layers. Surfaces of at least the cusps of the metal ring are ridged.
EFFECT: ensuring the tightness of the flange connection even with its substantial deviation from flatness.
1 cl, 5 dwg
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|---|---|---|---|
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|
RU2810895C1 |
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|
RU2784591C1 |
