Patent ID: 7909065
Filing Date: 2011-03-22
Classification: F16L

Abstract:
1. Barrier plug system for sealing off a pipe, comprising: a plug body having at least two separate plug body elements movable relative to each other; a first and a second end plate surface arranged on opposite sides of the plug body; at least one circumferential sealing means; and means for setting the plug system within a pipe by moving the end plate surfaces towards each other; wherein the end plate surfaces are arranged on two different elements movable relative each other, and the at least one sealing means is arranged abutting two opposite annular pressing surfaces formed by the plug body, which are moved towards each other during setting of the plug system, and the pressing surfaces are limited in the movement against each other by a stop means and pre-tensioned to move toward each other by at least one tensioning device, said tensioning device arranged between at least one of the plug body elements and an element able to be fixated relative the pipe and said plug body having at least three separate plug body elements and the at least one tensioning device is arranged between two elements of the plug body.