CPC G01M 3/022 (2013.01) [G01M 3/2815 (2013.01); G01N 3/12 (2013.01); G01N 2203/0296 (2013.01)] | 25 Claims |
1. A weld test plug comprising:
a flange;
an actuator rod mounted to the flange, the actuator rod having:
a part expander;
an annular seal; and
an axial stop;
in which the actuator rod is connected to, during use, cause the part expander to actuate:
the axial stop to move in a radially outward direction relative to the actuator rod;
the annular seal to radially expand and abut the axial stop; and
in which the part expander has a first axial portion that is structured to slide relative to and within the annular seal to radially expand the annular seal.
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