Provided is a gasket, and more particularly, to a gasket including a C-ring end formed at at least one side of a kammprofile. According to the present invention, a higher bolting force and restoring force may be secured than those of other gaskets having the same size as the gasket. Furthermore, a core spring may be easily fixed and attached to the gasket through the C-ring end formed at the kammprofile without an external jacket. Accordingly, production costs may be decreased by simplifying the structure of the gasket as described above.

Provided herein is a pipe joint of a relatively small joint diameter for use under ultrahigh pressure conditions. The pipe joint includes first and second joint members having mutually communicating fluid passages; and a gasket interposed between abutting end surfaces of the first and second joint members. The first and second joint members have ring-shaped seal projections formed at the abutting end surfaces thereof. The pipe joint satisfies a coefficient F of 0.4 or less in the following formula (1).

F=(D.sub.3.sup.2D.sub.1.sup.2)/(D.sub.4.sup.2D.sub.2.sup.2), Formula (1):

where D.sub.1 represents the inner diameter of the first and second joint members, D.sub.2 represents the inner diameter of the gasket, D.sub.3 represents the diameter of the seal projections, and D.sub.4 represents the outer diameter of the gasket.

Provided herein is a pipe joint of a relatively small joint diameter for use under ultrahigh pressure conditions. The pipe joint includes first and second joint members having mutually communicating fluid passages; and a gasket interposed between abutting end surfaces of the first and second joint members. The first and second joint members have ring-shaped seal projections formed at the abutting end surfaces thereof. The pipe joint satisfies a coefficient F of 0.4 or less in the following formula (1).

F=(D.sub.3.sup.2D.sub.1.sup.2)/(D.sub.4.sup.2D.sub.2.sup.2), Formula (1):

where D.sub.1 represents the inner diameter of the first and second joint members, D.sub.2 represents the inner diameter of the gasket, D.sub.3 represents the diameter of the seal projections, and D.sub.4 represents the outer diameter of the gasket.

A high pressure swivel system provides fluid communication on a turret-moored vessel between a swivel core member being in fixed rotational alignment with a seabed mooring system and a swivel revolving member being in fixed rotational alignment with the hull of the vessel. The revolving member has upper and lower radially extending surfaces. On each of the radially extending surfaces are a series of radially spaced apart pressure seals. Hydraulic barrier fluid pressure is regulated in each of the volumes formed between the pressure seals. The pressures in the volumes are regulated such that a process fluid pressure higher than could be tolerated by any one individual pressure seal is safely accommodated by sharing the high process fluid pressure between or among two or more of the radially spaced apart pressure seals.

A high pressure swivel system provides fluid communication on a turret-moored vessel between a swivel core member being in fixed rotational alignment with a seabed mooring system and a swivel revolving member being in fixed rotational alignment with the hull of the vessel. The revolving member has upper and lower radially extending surfaces. On each of the radially extending surfaces are a series of radially spaced apart pressure seals. Hydraulic barrier fluid pressure is regulated in each of the volumes formed between the pressure seals. The pressures in the volumes are regulated such that a process fluid pressure higher than could be tolerated by any one individual pressure seal is safely accommodated by sharing the high process fluid pressure between or among two or more of the radially spaced apart pressure seals.

A connector body for use in a connector assembly for making fluid connections includes a hollow connector body, the hollow connector body comprising a resilient deformable seal having a central aperture and a lip surrounding the central aperture; a locking mechanism integrally formed with the hollow connector body, the locking mechanism comprising at least one lug including a slot, and at least one ramp; a hollow connector first body end and a second body end; and an anti-actuation assembly engagement portion comprising at least one recess and/or at least one protrusion; and a removable anti-actuation assembly comprising at least one peel strip, and at least one recess and/or at least one protrusion, the at least one recess and/or at least one protrusion being engaged with the anti-actuation assembly engagement portion of the hollow connector body. Connector assemblies and processes for making fluid connections using the assemblies are also provided.

A connector body for use in a connector assembly for making fluid connections includes a hollow connector body, the hollow connector body comprising a resilient deformable seal having a central aperture and a lip surrounding the central aperture; a locking mechanism integrally formed with the hollow connector body, the locking mechanism comprising at least one lug including a slot, and at least one ramp; a hollow connector first body end and a second body end; and an anti-actuation assembly engagement portion comprising at least one recess and/or at least one protrusion; and a removable anti-actuation assembly comprising at least one peel strip, and at least one recess and/or at least one protrusion, the at least one recess and/or at least one protrusion being engaged with the anti-actuation assembly engagement portion of the hollow connector body. Connector assemblies and processes for making fluid connections using the assemblies are also provided.

A seismic grooveless coupling is provided, which allows pipes to be connected by only pushing the pipes that do not have grooves on both sides thereof and fastening a bolt with a nut while the upper and lower coupling segments are assembled. The seismic grooveless coupling disclosed includes a packing made of an elastic material, wherein pipes transferring fluid are inserted into the packing from left and right sides, upper and lower coupling segments configured to restrict an axial movements of the pipes at both sides while surrounding the packing to be accommodated from upper and lower sides and getting closer to each other, and a fastening unit including a bolt and a nut configured to fasten the upper and lower coupling segments each other.

A seismic grooveless coupling is provided, which allows pipes to be connected by only pushing the pipes that do not have grooves on both sides thereof and fastening a bolt with a nut while the upper and lower coupling segments are assembled. The seismic grooveless coupling disclosed includes a packing made of an elastic material, wherein pipes transferring fluid are inserted into the packing from left and right sides, upper and lower coupling segments configured to restrict an axial movements of the pipes at both sides while surrounding the packing to be accommodated from upper and lower sides and getting closer to each other, and a fastening unit including a bolt and a nut configured to fasten the upper and lower coupling segments each other.

This coupling element has a body and a nozzle. The body delimits a housing for partially receiving the nozzle. The nozzle has a tubular part and a flange received in the housing. Two sealing barriers formed by at least one sealing joint are interposed between a rear surface of the flange and a front face of the body, between a front surface of the flange and a rear face of the body, respectively. A plug caps an inner conduit. Portions of the inner conduit communicate through at least one passage opening into an inner volume of the nozzle, forward of the plug, and on an outer peripheral surface of the flange. An inner chamber is separated from the inner conduit by the body, the flange, the plug and the first sealing barrier.