F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 55/11 (2006.01) F16L 55/105 (2006.01) F16L 55/12 (2006.01)
Patent
CA 2719478
A method of isolating a section of pipe comprises locating a seal unit having two seal elements in a pipe via a penetration in the pipe, such as a branch or tee. The seal unit is then positioned in the pipe downstream of the penetration. The seal elements are activated using a primary activation mechanism to engage the pipe wall and then maintained in an activated condition using a secondary activation mechanism.
Lambert Anthony R.
Stats (uk) Limited
LandOfFree
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