CPC F16L 55/136 (2013.01) [F16L 55/1283 (2013.01)] | 22 Claims |
1. A pipeline plug comprising:
a pressure head;
a seal assembly;
a seal expansion ring, the seal expansion ring including a plurality of expansion ring segments;
a plurality of gripper bodies, each gripper body coupled to an expansion ring segment of the plurality of expansion ring segments of the seal expansion ring;
a sliding gripper slidingly coupled to a radially outer surface of the gripper body; and
an actuator.
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