FIELD: engine engineering. SUBSTANCE: seal has at least one spring and one split sealing member which is squeezed up to a given condition and received in a seal housing of an object to be sealed. The seal can contain also additional sealing member together with the split member which is in a contact with the last partially. The seal can contain spring members which press the seals both to each other and to surfaces to be sealed. The seal can contain at least three sealing and one spring members. The sealing members engage with each other by face surfaces. The spring member presses the sealing members both to each other and to surfaces to be sealed. EFFECT: enhanced efficiency and reliability. 7 cl, 11 dwg
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