| 摘要 |
A pipe coupling having an elongated housing comprising a first end and a second end, the housing defining an elongated bore therein with a stop located on an inner diameter of the housing. The stop is located between the first end and the second ends of the housing, and wherein a distance from the stop to one of the first and second ends is greater than a distance from the stop to the other of the first and second end of the housing. A first cylindrical bore extending from the first end to the stop, and a second cylindrical bore extending from the second end to the stop. The second cylindrical bore having a first inner diameter extending from the stop towards the second end of the housing and a second inner diameter extending from the first inner diameter to the second end, and wherein the first inner diameter is greater than the second inner diameter.
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