| 摘要 |
Even high viscosity fluid or slurry-contained fluid is securely sealed without deficiency of a liquid sealing device. The sealing liquid device includes an annular packing made of rubber-like elastic material, the annular packing having a secured section fitted with fluid tight to one retaining surface between the first stationary seal ring and the seal flange and having a seal lip section fitting to the other contact face for sealing.
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