Abstract: A compressed air servicing device comprises several device modules (3) arranged in a row direction (2) and connected detachably with each other. At least two device modules (3) are detachably connected together by a module connector (4) placed between them, the module connector (4) having a through opening (14) by way of which the two device modules (3) are connected for fluid flow with one another. The module connector (4) is fitted with at least one sensor (15) connected with the through opening (14), such sensor (15) making possible monitoring of status data with respect to the flowing compressed air.

Abstract: A coupler for use with a sealing member for releasably securing together adjacent ends of grooved end pipe and forming a fluid-tight seal therebetween. The coupler includes a pair of arcuate segments, each segment having a generally inverted U-shaped cross-section so as to define a pair of depending leg portions and an outer spanning wall extending therebetween, each of the coupling segments further defining first and second end portions. The first end portions of each arcuate segment are joined together in a pivotal connection. A closure including a bail pivotally mounted on a release/locking lever, an attachment hook and a pair of abutment surfaces is provided at the second end portions of the arcuate segments for releasably joining and securing together the second end portions of the segments about the sealing gasket and adjacent pipe ends with the leg portions of the segments projecting into the grooves therein.

Abstract: According to one embodiment, a flange joint for joining a first pipe to a second pipe includes an adapter coupled to the first pipe. The adapter includes a convex surface. The flange joint also includes a gasket with a first concave surface and a second convex surface. The first concave surface of the gasket is matingly engageable with the convex surface of the adapter. The second convex surface is matingly engageable with the second pipe. The gasket is supported on the first pipe. The flange joint further includes a clamp that includes a concave surface that is matingly engageable with the second pipe to secure the gasket to the adapter.

Abstract: A flange connection has two pipe ends (1?, 2?, 51?, 52?) on each of which one flange (1, 2, 51, 52) is disposed and which have flange faces (11, 11?, 61, 61?) and a centering ring (33, 34) with an elastomer sealing ring (14) in contact with the ring. Both flanges include a mechanism for the detachable clamping against one another such that the flange faces (11, 11?, 61, 61?) are in contact on the centering ring and thereby are held at a predetermined flange distance (10, 60, D). The elastomer sealing ring (14) is pressed on the flange faces (11, 11?, 61, 61?) in the direction of the pipe axes (15) forming a seal, wherein the centering ring (33, 34) is positioned such that it is at least partially in contact on the periphery of the flanges (1, 2, 51, 52).

Abstract: A clamp for a tubular hose or cable is disclosed. The clamp comprises a first clamp half, a second clamp half, and a hinge pin. The first clamp half has a first end and a second end and defines a first concave semi-cylindrical face. The first end of the first clamp half carries means for mounting the clamp. The second clamp half has a first end and a second end and defines a second concave semi-cylindrical face. The first clamp half and the second clamp half come together along a parting line and are retained together by a hinge pin. The clamp halves are provided with snap-in liners for easy use. Alternative mounts for mounting the clamp on subsea wire line or tubulars is also disclosed.

Abstract: A mechanical pipe coupling formed of segments attached end to end surrounding a central space is used to connect pipe elements having a raised circumferential shoulder in end to end relationship. The segments have arcuate surfaces and arcuate landings which subtend an angle less than 180° and which have a radius of curvature greater than the radius of curvature of outer surfaces of the pipe elements on the raised circumferential shoulder. The segments are maintained in spaced relation allowing the pipe elements to be inserted into the central space without disassembling the pipe coupling. Connection members attaching the segments to one another are tightened to engage the arcuate surfaces or the arcuate landings with outer surfaces of the pipe elements to effect the connection.

Abstract: A coupling assembly is disclosed for joining pipe elements to one another end-to-end. First and second rings are attached to an end of each pipe element. Each ring has an outwardly facing surface with a groove which receives a sealing member. A band is positioned in overlying relation surrounding the rings when the pipe ends are arranged in end-to-end relationship. The band has an inwardly facing surface engaged with the sealing members. The band also has oppositely disposed end faces. End plates are attached to each end face. The end plates project radially inwardly in overlapping engagement with the rings to retain the pipe elements in end-to-end relation within the band.

Abstract: An assembly for moving a pair of flowline members relative to each other has a pair of flowline collars that are adapted to connect to an end portion of one of the pair of flowline members. The assembly has an arm member with an end portion rotationally mounted to one of the flowline collars and a connecting member pivotally mounted to the other flowline collar. The connecting member is pivotally mounted to the arm member a distance away from the end portion of the arm member that is connected to the flowline collar, so that rotational movement of the arm member moves the flowline members relative to each other. The assembly can also have an incremental distance adjustor assembly which maintains an incremental change in the distance between the pair of flowline collars during a rotational movement of the arm member.

Abstract: An emission control adapter kit comprising an L-shaped flange member and a split ring clamped around and directly engaging the L-shaped member.

Abstract: A joint (1), especially of an exhaust system is provided for two axially adjacent ends (2, 3) of a tubular body (4, 5), respectively. Each tube end (2, 3) has a ring collar (8, 9) projecting radially outwards. A centering ring (6) is arranged axially between the tube ends (2, 3) and which has a plurality of collar segments (17) in the radial outward direction. Some of the collar segments (17a) project axially on one side of the centering ring (6) and axially overlap the ring collar (8) of one tube end (2), while the other collar segments (17b) project axially on the other side of the centering ring (6) and axially overlap the ring collar (9) of the other tube end (3) in the radial outward direction. A clamp (7) axially and radially overlaps the ring collar (8, 9) and the centering ring (6) in the radial outward direction.

Abstract: A tube fitting for connection with a tube includes first and second flanges members and a ferrule between the first and second flanged members. The ferrule engages the tube to form a tube grip and seal when the first and second flanged members are drawn together. A tapered clamp may be used to draw the flanged members together.

Abstract: A clamp with which ends of two tubular members can be connected by simple work. The clamp has a support member, a first arm having one end pivotably supported by a support member, a second arm having one end pivotably supported by the support member and placed to face the first arm, a first long hole formed in the first arm on its support member side, a second long hole formed in the second arm on its support member side, and a connection member having a first pin-like member engaging with the first long hole and also having a second pin-like member engaging with the second long hole. The connection member is movable so as to separate from and approaches the support member with the distance from the connection member to the first pin-like member and the second pin-like member maintained constant. The first long hole and/or the second long hole is formed so as to extend in the direction crossing the direction X of movement of the connection member.

Abstract: [Technical Problem] The present invention provides a pipe joint coupling apparatus capable of increasing the amount of adjustment available to correct a misalignment between pipe joints when they are coupled together and also capable of achieving space saving. [Solution to Problem] The apparatus includes one pipe joint member 9 having an accommodating groove 27 on its outer peripheral surface, an other pipe joint member 8, a support member 7 that supports the one pipe joint member, and a collar member 31 that clamps the support member in cooperation with a shoulder part provided on the one pipe joint member. The support member has an opening 7a with a diameter substantially equal to the outer diameter of the one pipe joint member. The accommodating groove has an elastic member 29 accommodated therein. The support member has an opening edge 7b facing the accommodating groove.

Abstract: A fluid connection assembly (10) includes a metal tube (22) having a flared end and a plastic manifold (12) having a port (14). The port (14) includes an annular collar (16) and an annular recess (18) that receives a seal (20). The metal tube (22) is arranged over the port (14) and engages the seal (20). The flared end of the metal tube (22) abuts the annular collar (16) of the port (14) when the metal tube (22) is installed. A plastic retainer (28) is molded over the annular collar (16) of the port (14) and the flared end of the metal tube (22) to retain the metal tube (22) axially on the port (14) of the manifold (12).

Abstract: A clamping apparatus for allowing pre-close-out access to the head of a Stirling machine and facilitating subsequent close-out welding of the head. The head is axially separable into removable and fixed portions that engage each other. Each portion has an annular flange extending radially outwardly at its engaging end, and each flange has an annular groove. O-rings are seated in the grooves. A temporary sealing ring surrounds and engages the O-rings. Clamping rings seat against axially opposite sides of the abutting annular flanges. Fasteners draw the rings together, thereby drawing the fixed and removable portions of the head together and securing them against relative axial movement. For close-out of the machine, the clamping rings, temporary sealing ring, and O-rings are removed and the grooved annular flanges serve as weld reliefs for final hermetic close-out welding.

Abstract: A pipe coupling for joining pipe elements end-to-end is disclosed. The pipe coupling is formed of segments attached to one another circumferentially straddling the pipe elements. The segments are formed from sub-sections connected to one another end-to-end. Each sub-section has a surface region disposed to engage the outer surfaces of the pipe elements. Each surface region has a different radius of curvature from a surface region on a neighboring sub-section. The radii are selected so that when the coupling segments are deformed around the pipe elements, portions of surface regions of selected sub-sections contact the pipe elements, while portions of surface regions of those sub-sections between the selected portions remain in spaced relation away from the pipe elements. A constant and minimal torque is required to bolt the segments together as a result.

Abstract: A connection structure is provided for connecting heat exchangers (11, 12) to each other for exchanging heat between a first fluid flowing in body parts (13, 14) and a second fluid flowing in heat transfer pipes (15, 16) disposed in the body parts (13, 14). The connection structure includes connection holes (17, 18) provided in the body parts (13, 14) of the heat exchangers (11, 12) and a press-formable connection member (19), connected to the outer surfaces of the body parts (13, 14) for fluidly coupling the connecting holes (17, 18) so that the body parts (13, 14) are allowed to communicate with each other.

Abstract: A pipe joint device using flanges is provided. The pipe joint device includes: flanges mounted to ends of pipes to be coupled together or ends of both a pipe and a pipe joint to be coupled together, the flange having at least one ring groove around an outer circumferential surface thereof; a packing mounted to the flanges and having inner rings around an inner circumferential surface thereof to closely engage with the ring grooves of the flanges; and a clamp having a packing seat to seat the packing therein, with a support sidewall formed by a radial inward extension of each side of the clamp, the clamp being divided into a plurality of clamp parts so that the clamp parts are placed around the packing and are fastened together by a locking member.

Abstract: A clamping assembly for a coupler comprises at least one clamping module which includes a clamping jaw (12) that is designed for connecting the coupler to a complementary means device and an actuating system that comprises a device of the screw/nut type which is driven by a motor. The actuating system is connected directly to the clamping jaw, and the clamping jaw is swivel-mounted to a support about a point that is fixed relative to the coupler.

Abstract: A valve assembly configured to be mounted on a support structure comprises a flowbody having a first port, a second port, and a flow passage there between. A flange is coupled around the flowbody proximate the first port. A sleeve extends into the flowbody through the first port, and a radial lip is coupled to the sleeve proximate the first port. A retaining ring is coupled to the flange and configured to confine the radial lip between the retaining ring and the support structure to secure the sleeve within the flowbody when the valve assembly is mounted on the support structure.

Abstract: A method and apparatus are disclosed for providing an outer collar member of an end fitting for a flexible pipe. The apparatus comprises an outer collar body portion and an outer collar neck portion extending away from the outer collar body portion. The neck portion is arranged to be secured to a portion of flexible pipe body in a slotted position between layers of the flexible pipe body. The position is located between an outer sheath of the flexible pipe body and at least one armour layer of the flexible pipe body wherein the outer collar body portion comprises a curved inner surface region for determining a radius of curvature of wires of the armour layer bent away from an axis of the flexible pipe bodies and supported by the curved inner surface when the pipe body is mounted in the end fitting.

Abstract: A method for forming a duct interconnect generally includes providing a digital model of a first duct structure and a second duct structure, the first duct structure including a first duct section having a passage for conveying a substance and an interconnect component moveably and captively coupled to the duct section. The second duct structure includes a second duct structure and a second interconnect component. The process includes forming, via a direct manufacturing procedure (e.g., stereolithography), a physical model of the first duct and second structures in accordance with the digital models, wherein the interconnect component has a locked and unlocked state, and wherein the unlocked state corresponds to a predetermined compressive force between the first duct structure and a second duct structure.

Abstract: The present invention relates to various embodiments of an improved high-speed corner flange connection member which is specifically shaped and designed to increase the clamping force applied to adjacent duct flanges when adjacent duct sections are connected together.

Abstract: Seal assembly comprising (a) two or more seal elements, each element having having a coefficient of thermal expansion; and (b) a clamping element having a first segment, a second segment, and a connecting segment between and attached to the first and second segments, wherein the two or more seal elements are disposed between the first and second segments of the clamping element. The connecting segment has a central portion extending between the first segment of the clamping element and the second segment of the clamping element, and the connecting segment is made of a material having a coefficient of thermal expansion. The coefficient of thermal expansion of the material of the connecting segment is intermediate the largest and smallest of the coefficients of thermal expansion of the materials of the two or more seal elements.

Abstract: A method of joining pipe elements in end to end relation using mechanical pipe couplings. The couplings have a plurality of segments attached end to end surrounding a central space. The segments have arcuate surfaces adapted to interface with the outer surfaces of the pipe elements. The method includes inserting end portions of the pipe elements into the central space and then drawing the coupling segments toward one another so as to engage the arcuate surfaces of the segments with the outer surfaces of the pipe elements.

Abstract: A clamp that includes a collar having first and second ends from which first and second lugs extend. Each of the first and second lugs has a thick portion and a thin portion, and the lugs are connected by a fastener. The clamp is positioned around tubes, and the fastener is tightened to tighten the clamp around the connection. The fastener may be tightened from an open position OP, when the lugs are not touching, to a closed position CP, when the thick portions of the lugs are touching. The fastener may be tightened further to a third position, so that the thin portions of the lugs move closer to one another. The clamp may also include a hinge area in which a gasket seal may be attached to the clamp or one of the tubes.

Abstract: A flange assembly is disclosed. The assembly includes a tubular structure having a passageway and comprising a fiber reinforced plastic material, and a flange structure comprising an aperture coupled to the tubular structure using an attachment element.

Abstract: It allows quick and effective coupling of a first duct end (female member) and a second duct end (male member). The male member includes an outer circumferential groove and the female member has two outer protrusions defining respective inner recesses adapted for receiving sealing and locking gaskets. When assembled, the female member extends to the male member without covering the circumferential groove thereof. A fastening clip is provided fitted into the groove of the male member and also into the groove defined between the protrusions of the female member, holding them axially in place.

Abstract: A process is provided for producing a connecting flange (32) for a butt joint on an end of a pipe section (10) of sheet metal with circular or oval cross section. The process includes sliding a pipe piece over the outer side of a pipe section (10), so that the pipe piece forms on the outer side of the pipe section (10) a reinforcing ring (47) lying flush against the pipe section (10) and bending the one end of pipe section (10) and the end of the reinforcing ring lying thereupon, from the pipe wall (12) outwards, to form a projecting ring rim (14) in the pipe section (10) and to form a flank (44) in the reinforcing ring (47). The flank (44) of the reinforcing ring (47) can lie against at least the radially inner part of the projecting ring rim (14), thereby forming the connecting flange.

Abstract: Engagement section 7a of holder 7 is engaged with a metal gasket 6, gasket 6 is received in tubular section 7b, and tubular section 7b is fitted in step 5a of connection pipe 1a. Then, another connection pipe 1b is placed close to and facing connection pipe 1a that holds gasket 6 through holder 7, and center ring 9 is installed surrounding the outer peripheries of flanges 2a, 2b. Subsequently, while a trapezoidal section having slopes 3a, 3b which define both sides is inserted into groove 14, segments 10a-10c are closed to form a ring shape. Bolt 11 which penetrates through cutout 12 of segment 10a is screwed into threaded hole 13 of segment 10c. The screwing of the bolt causes the amount of insertion of the trapezoidal section, which has slopes 3a, 3b which define both sides, into groove 14 to be increased. As a result, the distance between flanges 2a, 2b is reduced and the contact pressure of projections 4a, 4b against both sides of gasket 6 is increased.

Abstract: A coupling for connecting an elastic hose to a rigid tube connection is provided, which tube connection has a peripheral, rigid rim, at least one rigid supporting member with a radially inward facing annular supporting surface being arranged so as to offer support to the hose end at the tube connection, in which the coupling includes an inner ring having two end portions, the inner ring being arranged so as, in a mounting state, to have its end portions mutually overlapping and lending the inner ring a smaller diameter than the hose and, in a mounted state inside the hose, directly opposite the inward facing supporting surface, to be expanded by the pressing-together of its end portions, end to end, to maintain a chosen larger diameter in order, within the hose, to clamp the hose end between the inner ring and the inward facing supporting surface, and in which the cross section of the inner ring is shaped with an arcuate portion and the supporting surface in the supporting member is correspondingly arched.

Abstract: An apparatus for coupling and sealing tubes, comprising a flexible duct having a first and second end portions, each portion having an outwardly extending seal portion connected to a flat portion, which in turn is connected to an angled portion which connects to a flat portion having expanded diameter. The apparatus also comprises a sealing assembly comprising a split ring, a compression ring and an end cap subassembly which fits over the compression and split rings. The end cap subassembly comprises a pair of half-rings which are hinged together at one end and latched together using a closure mechanism at the other end. The split ring is mounted over the duct end seal after a tube with a bead is inserted inside the duct. A compression ring is fit over the split ring and the end cap subassembly is latched in place over the compression and split rings, thereby placing the duct seal portion under compressive pressure against the tube and maintaining it in place in a sealed relationship.

Abstract: An embodiment of the present application is a pipe coupling including a pair of half members which have a half-ring shape on the x-y plane and thickness along the z axis, wherein the half member includes a first end on which a circumferential groove is disposed, the circumferential groove including a first groove surface and a second groove surface which are inclined over the x-y plane; and a second end on which a circumferential protrusion is disposed, the circumferential protrusion including, a first protrusion surface and a second protrusion surface which are inclined over the x-y plane, wherein the first groove surface and the second groove surface are inclined over the x-z plane in the same angle and direction as the first protrusion surface and the secons protrusion surface.

Abstract: A coaxial connection having a device and a first manifold (12) comprising a protrusion (18) able to be received in a neck (22) on a second manifold (14). The device is produced in the form of an open collar (10) produced from an elastically deformable material and having a bottom (36) extended by two arms (38) having respective ends which define the opening of the collar. The collar is provided with retaining stops (44, 46, 48) and at least one locking member (60) arranged so as to cooperate with an engagement region (34) of at least one of the manifolds in order to prevent any accidental extraction of the open collar once fitted. Application in particular to heat exchangers for motor vehicles.

Abstract: A pipe joint clamp for connecting piping members includes a circular holding portion in which flange portions of the piping members are clamped, and multiple flexion-shaped hinge portions, which protrude from the holding portion toward a diametrically outer side thereof. The hinge portions are resiliently deformable to accommodate a variation of outer diameters of the flange portions. Thus, a protrusion amount of the each hinge portion can be reduced. Accordingly, the space occupied by the clamp at the joint part of the piping members is decreased.

Abstract: A mounting bracket adapted for use in mounting a wastegate actuator to a turbocharger of an automotive engine. The mounting bracket includes a flat metal bracket having a hole formed therein, for supporting the wastegate actuator, and a clamping portion integrally attached to the metal bracket. The clamping portion surrounds a cylindrical inlet portion of the turbocharger to mount the bracket thereon. The clamping portion is also used to tighten the wastegate actuator in place on the turbocharger body. Once a desired position of wastegate actuator is achieved, the clamping portion is tightened around the turbocharger pipe using a fastener to keep the two halves of the clamping portion fastened together. The design of the mounting bracket allows for a large number of positions in which the wastegate actuator is placed on the turbocharger.

Abstract: A coupling includes a main body, a rotatable member, and a seal member. The main body has an internal passageway for fluid flow therethrough, and includes a first portion defining a first end of the coupling and includes a second portion defining a second end of the coupling and forming an abutment structure. The rotatable member encircles the main body along the second portion, and includes an engagement structure for engaging a complementary structure. The rotatable member has first and second opposite axial ends, and the seal member is disposed between at least one of the first and second opposite axial ends of the rotatable member and the main body.

Abstract: An improved wall faucet, which is to put through the locking ends on both sides of water faucet to connect the locking units and position the water faucet on the shutter of the granite counter; in addition, the locking screw cap would be jointed closely with the non-returning pad after being locked on the locking end of the water faucet to prevent the water's effusion from the locking end. In accordance with the structure, because the locking unit is designed direcly on the locking end to make water can be guided directly and vertically to the locking screw cap and perforation and position the water faucet on the shutter of the granite counter, the interval between the shutter and wall can be shortened properly for saving space and costs in connection materials.

Abstract: Embodiments of the invention, can utilize a flange system incorporating metal sealing. In a further specific embodiment, the subject invention can utilize stainless steel sealing, where the flanges and seals are stainless steel. The subject seal may be made and released and remade multiple times. In a specific embodiment, the subject seal may be unaffected by heat extremes and more resistant to corrosive environments than copper and other soft metal seals. The subject invention can utilize sexless flanges, so as to avoid male/female design problems and can utilize infinitely rotatable flanges. The subject infinitely rotatable flanges eliminate bolt hole alignment problems, such that rotatable bolted flanges are not needed.

Abstract: Butt joint between two pipe segments (10) of sheet metal with circular or oval cross-section, which respectively exhibit on one end a connecting flange (32), formed one-piece with the adjacent pipe wall (12), for producing the butt joint with an adjacent pipe segment. On the end of each pipe segment (10) there lies, on the outer side thereof, and a least against one radial inner part of a ring rim (14) of each connecting flange (32), a one-piece reinforcing ring (47) of sheet metal.

Abstract: A pipe and snap connector assembly including mating male and female pipes joined by a clam-shell type connector. The female pipe receives a portion of the male pipe, and each pipe provides a radial flange configured such that there is a gap between the radial flanges when the male pipe is received in the female pipe. A sealing washer or seal is disposed between the flanges, in the gap. The clam-shell type connector is of open-ended barrel construction, and includes a radial clamp cavity that is sized to contact the radial flanges on the male and female pipes and axially compress them against the seal to provide a fluid-tight connection of the pipes. A latch and catch mechanism on the connector can be opened and closed without the use of special tools.

Abstract: The invention relates to a branch piece for a pipework, comprising a body (1) including at least one branch fitting (2). A connecting piece (3) is arrangeable in the branch fitting (2). The branch piece includes a locking means made up of one or more parts for locking the connecting piece (3) in place.

Abstract: A pipe coupling includes a first lateral wall, a second lateral wall and an apex wall spanning and connecting the first lateral wall to the second lateral wall. The apex wall includes an outer surface and an inner surface. A gasket is disposed on the inner surface of the apex wall. A groove is located on the apex wall.

Abstract: A metal pipeline section that has a metal flange at one end is lined with a plastic liner such that some of the liner extends beyond the flange end of the pipeline section. An annular plastic member is electrofusion joined onto the outside of the portion of plastic liner which extends beyond the flange end of the pipeline section and any liner extending beyond the annular plastic member is trimmed off to make the liner flush with the annular plastic member. The annular plastic member is then positioned adjacent the annular plastic member of another similarly prepared pipeline section and a containment ring is secured around them to restrain any outward movement of the annular plastic members when the pipeline is in use. The metal flanges are secured to each other such that the annular plastic members are compressed between them to prevent leakage.

Abstract: The present invention provides a combination metal gasket that is formed by fitting a ring-shaped metal base elastic structure in at least one trough portion of two trough portions of a ring-shaped metal gasket that has an S-shaped longitudinal cross section. The combination metal gasket does not demonstrate the plastic deformation even when a large compressive load is applied and is not likely to be destroyed even when a pressure of a fluid being sealed is high; that is, stable sealing properties are exhibited.

Abstract: Rigid corrugated plastic pipe sections are provided with a flange radially extending from at least one end of the pipe length, which allows structural and water tight joints between connecting flanged pipes and fittings to be formed in an assembly including a peripheral clamp and gasket, and a system, method and kit for effecting structural and water tight joints in corrugated plastic pipe pipes.

Abstract: Glass modules for use in the assembly of equipment, installations and for pipe works, the surfaces of which are entirely or partially coated with a conductive coating, in particular from transparent conductive polymers for the purpose of reducing surface resistance, their use, as well as the equipment, installation and pipe works made therefrom.

Abstract: A clamp assembly is provided for interconnecting components in a fluid system. The clamp assembly includes two interconnected clamp members each having a C-shape that form a channel, and a spacer disposed within the channel having a centrally located bore defining a part of a central passageway for the transmission of a fluid. The clamp assembly also includes at least one port member disposed in the clamp member channel adjacent the spacer having a center portion with a clamping portion at one end of the center portion and a connecting portion at the opposite end and a longitudinally extending bore defining part of a central passageway for the transmission of the fluid. The port member includes a flange extending radially from the port member clamping portion having a predetermined shape corresponding to that of the clamp member channel. A plurality of clamping forces from the clamp members are directed radially inwards from points of contact between the flange and the clamp members to provide cross loading.

Abstract: An apparatus for connecting first and second conduits to carry a fluid under pressure comprises a first face attached around an open end of the first conduit and a pocket face attached around an open end of the second conduit and defining a pocket. The first face is fastened to the pocket face such that the first face is substantially perpendicular to walls of the pocket and adjacent to an open end of the pocket. A gasket member is slidingly engaged in the pocket and defines a passageway through a central portion thereof. The gasket member has a gasket face adjacent and substantially parallel to the first face and an opposite pressure face inside the pocket. A bias element exert a bias force on the gasket member toward the first face and a pocket seal seals an outer periphery of the gasket member to the walls of the pocket.

Abstract: A self-aligning coupling for mating a pair of corresponding flanged fittings, generally for pipe couplings. The self-aligning coupling includes a first arm, a second arm, and a rotational assist mechanism adapted to mechanically synchronize the closing of the first and second arms relative to the flanged fittings to be connected. The rotational assist mechanism is further adapted to provide motion between the first arm and the second arm to receive and secure the flanged fittings in axial alignment.