| 摘要 |
The airtight magnetic seal, in a compact single body, made of two concentric sections, an inner section (1a) and an outer section (1b), unitized, which are able to rotate independently. These sections are engaged and squared to create a permanent contact-seal inside in combination with two labyrinth-seals type and associated drains at each end, and a pressure relief safety means, when the seal is embedded into an annulus in a rotary operational assembly.
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