| 摘要 |
A flexible pipe coupling comprises an annular housing, a nipple member partially submerged in the housing, and an annular elastomeric seal assembly between the nipple and the housing. The nipple is insulated in order to reduce the heat flow to the elastomeric seal from the material falling to the pipe coupling. The pipe coupling can also comprise a means, e.g., an annular ring, for bridging the nipple and housing to provide a constant inside diameter for the coupling. The means can also be insulated in order to aid in reducing the heat flow to the elastomeric seal.
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