FIELD: manufacturing technology.
SUBSTANCE: invention relates to end seal. Device includes new type of slide ring (110, 112, 114, 116) and mechanical seal, so-called slide ring seal is intended, for sealing shaft space of a centrifugal pump in relation to a pumping space thereof. Device also relates to coupling said mechanical seal to a housing (130), to a shaft (120) and to a rotor (142) of a flow machine.
EFFECT: invention improves the end seal reliability.
7 cl, 20 dwg
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