Patent ID: 7588053

Claim:
A system for restricting fluid flow through a conduit, the system comprising: a tapping saddle configured to couple to the conduit adjacent to an opening in the conduit; a valve coupled to the tapping saddle to allow selective access through the tapping saddle and the opening to an interior of the conduit; a tube insertable into the conduit through the opening; and an inflatable plug coupled to the tube and insertable into the conduit with the tube, the inflatable plug inflatable within the conduit to restrict fluid flow, the inflatable plug including a first plate positioned on an exterior surface of the inflatable plug, the first plate coupled to an end of the tube, a second plate positioned on an interior surface of the inflatable plug, the second plate coupled to the first plate with a plurality of fasteners, and at least one fluid port separate from the plurality of fasteners, the at least one fluid port extending through the first plate and the second plate to facilitate inflation and deflation of the inflatable plug.