ISOLATION VALVE WITH A DEAD CHAMBER

摘要

An isolation valve includes a dead chamber, including a body with a fluid-passing conduit, a device for obturating the fluid passage in the conduit, which may be actuated between a fluid-passing position and a position for obturating the fluid passage in the conduit. In its obturation position, the obturation device forms a dead chamber. A wall of the obturation device comprises a through-hole, in which is positioned a device for decompression of the dead chamber. A hydrocarbon transport facility includes at least two pipes connected through such an isolation valve with a dead chamber.

主权项

1. An isolation valve with a dead chamber:
a body with a fluid-passing conduit, and a device for obturating the fluid passage in the conduit, which may be actuated between a fluid-passing position and a position for obturating the fluid passage in the conduit, an obturation position in which the obturation device forms a dead chamber, a wall of the obturation device comprising a through-hole, in which is positioned a device for decompression of the dead chamber in which the obturation device includes a tapered rotating plug.