FIELD: mechanical engineering. SUBSTANCE: labyrinth seal positioned between stator and rotor of turbomachine has labyrinth combs and reciprocal cylindrical surface. Labyrinth combs are made on stator flange, and cylindrical surface of rotor labyrinth is provided with antifriction silver coating. As a result, seal wear is reduced. EFFECT: enhanced reliability of machine operation. 2 cl, 2 dwg
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