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Lock mandrels for Bottom No-Go applications |
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The Evolution Model EZ-2 Lock Mandrel has two up-facing locking dogs to prevent upward movement. It used a No-Go shoulder on the Flow Control device to prevent downward movement. It features an external fishing neck. |
The Model SLXN Lock Mandrel has two locking dogs to prevent both upward and downward movement. It has no –No-Go intrinsic to the lock mandrel itself, and features an internal fishing neck. |
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