Test plug

Details Test plug Test plug

G - Physics

01

M

G01M 3/02 (2006.01) F16L 55/10 (2006.01)

Patent

CA 2357244

A test plug for testing the integrity of a pipe includes a blind flange for mating with a pipe flange, a compression mandrel having a conical recess, an expander having a conical surface which mates with the compression mandrel and an elastomeric annular seal positioned between the compression mandrel and the expander. Removeable compression rings of different sizes may be attached to the test plugs and used with different sizes of annular seals. The expander is actuated by a rod which extends through the compression mandrel and to the exterior of the test plug. Installation of the test plug isolates and seals an end portion of the pipe. Fluid under pressure may then be pumped into the isolated segment to test for pressure integrity.

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