Abstract: A system for detecting the watertightness or flooding of an annulus of flexible lines from a connector. The system includes: an assembly of plunger and cylinder that are connected by a rod to a chamber that acts as a pilot valve. The assembly is connected directly to the outlet of a safety valve of a connector of the flexible line, in which same are fitted using a sealing system. The system is operated by commands sent to a ROV that has an arm and that controls the system using a handle.

Abstract: A connector system includes a first riser joint configured to form part of a riser. The first riser joint includes a pin. The connector system also includes a connector configured to couple to a wellhead assembly. The connector includes multiple collet segments that are configured to move radially-inwardly to engage the pin of the first riser joint.

Abstract: A termination fitting assembly for use with a conduit includes the conduit comprising a primary pipe positioned centrally within a secondary pipe along a longitudinal axis of the conduit and the conduit having an interstitial space defined between the primary pipe and secondary pipe. The termination fitting assembly includes an interior fitting having an inner wall and an outer wall, the inner wall sized and shaped for insertion into and sealing with the primary pipe, and the outer wall extending circumferentially around the secondary pipe of the conduit. The termination fitting assembly includes an annular channel defined between the inner wall and the outer wall of the interior fitting and in fluid communication with the interstitial space of the conduit and an exterior fitting positioned around the conduit.

Abstract: An attachment device, comprising a first line connector with a first fluid passage and a second line connector. The second line connector surrounds the first line connector such that a second fluid passage is created between the first line connector and the second line connector. The second fluid passage is fluidically separated from the first fluid passage. The second line connector can be pushed onto the first line connector from the end thereof situated opposite the hose attachment of the first line connector. The attachment is arranged in a line comprising the attachment device connected using a corresponding connection method.

Abstract: A tank system may be conventional and fixed, or mobile, such as a fracking fluid or other tank trailer. A drain port thereof is fitted with an adapter connecting a snorkel system to drain liquids from near the top of the liquid level in the tank. A snorkel head at the extreme distal end of a tube near the longitudinal center of the tank is suspended by a system of buoys. A flow field controller plate resists formation of vortices near the snorkel head, so it can operate as near the surface as possible, withdrawing the highest grade oil efficiently. At its exit, the proximal end of the tube drains oil through an inner conduit of an adapter at a penetration in the wall of the tank. The adapter forms an annulus around the inner conduit draining tank bottoms directly from the tank.

Abstract: Techniques for implementing a pipeline system that includes a pipe segment and a pipe fitting. The pipe segment includes tubing, which includes an inner barrier layer that defines a pipe bore, a reinforcement layer implemented around the inner barrier layer to define a fluid conduit, and an outer barrier layer implemented around the reinforcement layer, and a tensile clip secured to the tubing such that clip legs of the tensile clip are secured around the reinforcement layer. The pipe fitting includes electrofusion material implemented to define a fitting bore and a tubing cavity in which the tubing is to be secured and a tensile hook partially embedded within the electrofusion material such that a hook bend extends into the tubing cavity, in which the hook bend matingly interlock with a loop end of the tensile clip to facilitate transferring tensile force between the reinforcement layer and the pipe fitting.

Abstract: An apparatus and method of manufacturing silicon seed rod in which two silicon seeds are joined into one long silicon seed rod by mechanical coupling. A mechanical seed coupler is a body in having an outer wall, an upper surface with an upper aperture, a lower surface with a lower aperture, and an inner wall surrounding an inner space. The mechanical seed couple can be of a shape including a cylinder shape, an elliptical tube shape, a rectangular tube shape and a square tube shape. Furthermore the mechanical seed coupler can be of unitary construction, made from one solid piece of material, or it can be composed of subparts.

Abstract: A shrouded valve assembly including a valve, valve pipe and valve channel. A valve member can regulate flow of fluid through the valve channel. A valve shroud provides a valve shroud chamber and includes first and second valve shroud members fixed via valve shroud member flanges. An actuator shaft passes through the valve shroud and the valve pipe to the valve member and can move to operate the valve member to regulate flow of fluid through the valve channel. The actuator shaft extends in an actuator shaft direction passing through the valve shroud and the valve pipe. The valve shroud flanges meet at a valve shroud interface inclined at an acute angle to the actuator shaft direction. The actuator shaft passes through the first valve shroud member and not the second valve shroud member, enabling the valve to be inspected by disassembling this interface without disassembling the valve shroud members.

Abstract: A flexible conduit for transporting fluids in a fluid system, such a fluid system on an aircraft, and methods of assembling the flexible conduit described. The flexible conduit can include a flexible inner hose for transporting a fluid. The flexible inner hose can be surrounded by a flexible outer wall which can contain any leakage of fluid from the flexible inner hose. The flexible inner hose and the flexible outer wall can be coupled on each end to ferrules. Swage rings can be swaged to secure the flexible inner hose and the flexible outer wall to the ferrules.

Abstract: A double containment fitting for connection to a double containment tubing system with an outer, secondary containment tubing surrounding an inner, primary tubing. The fitting includes a fitting body defining a central passageway, the fitting body having a center portion disposed between opposed first and second body ports. The fitting body is configured to receive the tubing system into the first body port. The central passageway has a diameter in the first port selected to allow the secondary tubing into the first body port. A connection system mechanically secures the secondary tubing to the first body port.

Abstract: A flexible joint assembly for a joint between a first duct and a second duct for providing a flow of fluid, such as bleed air in an aviation implementation. The flexible joint includes a bellows supported by a mounting assembly having a first support and a second support, provided within the interior of the bellows. A rod assembly can operably couple the first support and the second support.

Abstract: A multiwall tubing assembly for fluid delivery to a bearing system may comprise a first tube defining an inner fluid passage configured to carry a first fluid. A second tube may be disposed around the first tube and may define an outer fluid passage between the first tube and the second tube. The outer fluid passage may be configured to carry a second fluid. A fitting may be coupled to the first tube and the second tube. The fitting may comprise an inner portion fluidly coupled to the inner fluid passage and configured to carry the first fluid. An outer portion may be disposed around the inner portion and fluidly coupled to the outer fluid passage. The outer portion may be configured to carry the second fluid. The fitting may be configured to fluidly isolate the first fluid from the second fluid.

Abstract: A double containment fitting for connection to a double containment tubing system with an outer, secondary containment tubing surrounding an inner, primary tubing. The fitting includes a fitting body defining a central passageway, the fitting body having a center portion disposed between opposed first and second body ports. The fitting body is configured to receive the tubing system into the first body port. The central passageway has a diameter in the first port selected to allow the secondary tubing into the first body port. A connection system mechanically secures the secondary tubing to the first body port.

Abstract: A firestopping sleeve positionable usually in walls which is self-adjusting and includes a sleeve defining an access corridor extending longitudinally therewithin with at least one firestopping pad positioned therein. The sleeve has an access corridor extending therethrough for receiving wall penetrating cables which are firestopped therearound by the pad. A projecting block is attacked to the pad for providing self-adjusting and sealing capability of the device, to prevent air or smoke leaks around the cables.

Abstract: A transmission line segment coupler is for coupling together first and second coaxial transmission line segments each including an inner tubular conductor and an outer tubular conductor surrounding the inner tubular conductor and a dielectric therebetween. The coupler apparatus includes an outer tubular bearing body to be positioned within adjacent open ends of the inner tubular conductors of the first and second coaxial transmission line segments, and an inner tubular bearing body configured to slidably move within the outer tubular bearing body to define a linear bearing therewith. The inner tubular bearing body is configured to define a fluid passageway in communication with the adjacent open ends of the inner tubular conductors of the first and second coaxial transmission line segments.

Abstract: The present invention provides an admission pipe structure for automobile air admission, wherein internal part in pipe body of admission pipe includes channel, admission hole and exit hole formed on two sides of the channel are installed with first sleeve connection part and second sleeve connection part, and first sleeve connection part and second sleeve connection part are respectively sleeved onto exit connector and admission connector of the admission manifold pipe such that buckling component can be set up in penetration into two through-grooves installed in outer surface of second sleeve connection part thereby using buckling component to block at ring-shaped groove for fixedly positioning. When compressed air coming from the central cooler enters into admission pipe, compressed air can be smoothly guided by arc-shaped channel in pipe body, and aluminum alloy materials in admission pipe itself can prevent damages caused by the high-speed airflow of the compressed air.

Abstract: A water meter resetter incorporates as a principal component a plastic body having six fittings lying in a common plane. A primary inlet and primary outlet are coaxially aligned on first and second opposed walls. A secondary outlet and secondary inlet are coaxially aligned on the opposed walls. In use, a first horn is rotatably attached to the secondary outlet, and a second horn is rotatable attached to the secondary inlet. A water meter is attached between the horns. Because the horns are rotatable about a common axis at each of their ends, the meter can be offset from the supply pipes at continuously variable heights. In an embodiment, the secondary inlet and outlet are internal, and the horns are held in a fluid-tight slip joint formed by internal O-rings. The height of the meter may optionally be locked by the use of an angle holder.

Abstract: In accordance with the present invention, there is provided is provided a tubing arrangement and associated connectors, including a delivery adaptor and a Y-connector, which may be used to facilitate the operative interface of a patient interface to a ventilator within a ventilation system. The delivery adaptor is connected between the outlet connector of the flow generator and the main delivery tube (i.e., the quad-lumen tube) in the ventilation system. The delivery adaptor functions to retain the pneumatic isolation of a sense line of the ventilation system from certain other lumens of the quad-lumen tube, and further connects one of the small lumens of the quad-lumen tube to an external oxygen source or an external humidification source. The oxygen or humidification is delivered to such lumen through the adaptor. The oxygen or humidification is then bled into the air stream at the outlet of such lumen which is at the Y-connector.

Abstract: A gas turbine module comprises a frame, a bearing support ring, a service line, and a scupper channel system. A service line is disposed through a radial passage of the frame and a service line port of the bearing support ring. The scupper line is disposed radially through a radial passage of the frame and is open to the scupper drain port. The scupper channel system is formed into a radially inner surface of the bearing support ring, and includes a collection portion in fluid communication with the scupper drain port.

Abstract: A double wall tube assembly includes an inner tube extending in an axial direction between two opposed ends of the inner tube. A sleeve fitting is mounted to one end of the inner tube. An outer tube outboard of the inner tube extends in the axial direction between two opposed ends of the outer tube. A collar fitting is mounted to one end of the outer tube wherein the collar fitting is outboard of the sleeve fitting.

Abstract: The present general inventive concept, in some of its many example embodiments, relates to a line, in particular for the conduction of gaseous media under high pressure, preferably in the range of 150 bar to 400 bar, very preferably in the range of 200 bar to 350 bar, in particular 200 bar to 250 bar, having at least one high-pressure line and at least one gas recirculation line, characterized in that the gas recirculation line is arranged, preferably coaxially, inside the high-pressure line and the gas recirculation line comprises a stabilization device, in particular in spiral form, preferably a steel spiral, very preferably a normal steel spiral or a stainless steel spiral.

Abstract: A system includes a syngas cooler configured to cool a syngas. The syngas cooler includes a vessel with a head portion and a first opening and a first pipe that extends through the first opening. The first pipe is configured to convey a heated fluid out of the vessel. A first flanged connection is disposed about the first opening, wherein the first pipe extends through the first flanged connection and is coupled to the flanged connection.

Abstract: A piping connection device includes a female block member fixed integrally with a male block member, and a first pipe is inserted into the female block member. The piping connection device further includes a drain passage through which a part of an outer peripheral surface of the first pipe communicates with an outer surface of the female block member. The drain passage is disposed in a portion higher in heat capacity than the other portions in the female block member.

Abstract: A hyperstatic truss including connecting rods, used for suspension of a first ring, forming part of an engine case, inside a second ring concentric to the first ring, the connecting rods being secured at one end to the first ring and at the other end to the second ring. The tensile stiffness of the connecting rods is greater than the compressive stiffness thereof. The truss for example can be used for suspension of a ducted-fan turbine engine with an elongate bypass duct.

Abstract: The invention relates to a diffuser for the exhaust section of a gas turbine, comprising at least one cone extending along a machine axis and bordering a channel for an exhaust flow, whereby said at least one cone has a wall with an internal structure comprising a plurality of longitudinal liner segments extending in an axial direction and establishing a conical liner being in contact with the exhaust flow, a support structure coaxially arranged with respect to said conical liner in a predetermined distance, and an insulation filling the space between said conical liner and said support structure.

Abstract: A method for assembling a nozzle and an exhaust case of a turbomachine is disclosed. The exhaust case includes a hub and an outer ferrule connected to each other by a plurality of arms. The nozzle is attached to the outer ferrule of the exhaust case substantially at the trailing edges of the arms.

Abstract: A double-pipe joint for connecting and coupling a double pipe consisting of outer and inner pipes made of a fluororesin tube. An inner joint portion for coupling the inner pipe is formed by: a sleeve which is to be pressingly fitted into an inner-pipe end portion; an inner-pipe joint body which is to be fitted onto the end portion; and an inner-pipe union nut. An outer joint portion for coupling the outer pipe is formed by: a sleeve which is to be pressingly fitted into an outer-pipe end portion; an outer-pipe joint body which is to be fitted onto the end portion; and an outer-pipe union nut. The inner-pipe union nut and the outer-pipe joint body are formed integrally into a nut-equipped body.

Abstract: The invention relates to a liquid supply system wherein liquid, such as for example, a supply of warm water, circulates. Said system consists of thick outer tubes, the inner chamber of said thick outer tubes allowing a liquid to flow through, a thin inner tube is respectively placed inside the outer tube in which the liquid can flow in the direction counter to that in the inner chamber. In the path of at least one outer tube, a first tube branch is introduced enabling the first inner tube to be withdrawn, and in said first branch, at least one functional component, such as a shut-off valve, is introduced into the inner tube and guided to a second tube branch in the path of an outer tube and extends further through said tube branch and then into the inner chamber of the latter outer tube.

Abstract: A coaxial quill assembly is used for supplying gaseous and liquid fuels from separate common rails to individual fuel injectors of a compression ignition engine. Each coaxial quill assembly includes a matched pair of an outer quill and an inner quill that are matched based upon a fuel system dimensional specification that causes both the inner and outer quills to sealingly engage a common conical seat of a fuel injector. During pre-installation handling, the matched pair of inner and outer quills are retained together with a retainer.

Abstract: An axially expansible pipe assembly includes at least one internal pipe and an external pipe. The internal pipe is axially and radially expansible. The external pipe is only axially expansible. The axially expansible external pipe is used to wrap the internal pipe and confine radial expansion of the axially and radially expansible internal pipe in a predetermined range.

Abstract: A connection device of a double-walled heat exchanger tube is provided, in particular for the heat exchanger of a motor vehicle air conditioning system. The heat exchanger tube has an outer tube and an inner tube that runs coaxially inside the outer tube spaced radially apart from it. The connection device further has a fitting for accommodating radially overlapping end sections of the inner and outer tube. The outer and inner tubes according to the invention are at least sectionally joined together without soldering in the area of the fitting, and with the fitting.

Abstract: A reelable connection between facing ends of opposed pipe-in-pipe sections in which an end wall connects inner and outer pipes of each section to seal an end of an annular space defined between those pipes is disclosed. In each section, the inner pipe protrudes beyond the end wall and the outer pipe and is joined to an inner pipe of the opposed section, leaving opposed ends of the outer pipes of those sections spaced from each other. An insert positioned between the opposed ends of the outer pipes maintains the outer pipe diameter from one section to the other section across the connection. Also, a method of reeling having the steps of making a connection between such pipe-in-pipe sections, positioning an insert to lie substantially flush between the opposed facing ends of the outer pipes, and winding the sections joined by the connection onto a reel.

Abstract: A duel fuel quill assembly and method for assembling such an assembly for an engine are disclosed. The dual fuel quill assembly may comprise a cylinder head including a main bore and a receiving cavity, an outer quill tube, an inner quill tube nested within the outer quill tube, an adapter slidingly received inside the main bore of the cylinder head, and a manifold secured to the adapter. The adapter may be moveable between a first position and a second position and may define an axial bore configured to receive the outer quill tube and the nested inner quill tube. The manifold may define a recess configured to compress the outer and inner quill tubes against the cylinder head cavity when the adapter is in the second position.

Abstract: Apparatus for supplying a fluid to a device for tightening or loosening fasteners including a first fluid-transmitting element (130) having a first axis connectable with a housing of the device; a second fluid-transmitting element (140) rotatably connectable with the first element (130) about a second axis substantially perpendicular to the first axis; a third fluid-transmitting element (150) rotatably connectable with the second element (140) about a third axis substantially perpendicular to the second axis and connectable with a fuid-transmitting line; and first and second fluid conduits that transfer fluid to and from the device and the fluid-transmitting line through the first, second and third elements. The first element is rotatable 360° about the first axis; the second element is rotatable 360° about the second axis; and the third element is rotatable less than 360° about the third axis.

Abstract: A system for rotating an element inside a pressure containing housing. In some embodiments, the mechanism includes a pressure containing housing having an opening through a wall of the housing into an internal chamber in which, in use, the element to be rotated is located, a bushing located within the opening, and a worm gear rotatably mounted in the bushing. The worm gear is offset from the axial centre of the bushing such that rotation of the bushing moves the worm gear between an extended position, wherein the thread of the worm gear engages an element in the chamber, and a retracted position, wherein the thread is disengaged from the element in the chamber.

Abstract: A leak detection feature for a fluid conduit. The leak detection feature facilitates the monitoring of fluid leaks at the interface of two adjoining conduit flange fittings. An embodiment of a flange fitting with a leak detection feature for a fluid conduit having an opening. The flange fitting includes a flange body around the opening of the fluid conduit, a leak detection passageway formed in the flange body, and a leak detection port formed in the flange body. The flange body has a sealing face surface configured to mate with a cooperating flange fitting, and the leak detection passageway terminates at the sealing face surface. The leak detection port is in fluid communication with the leak detection passageway, and the leak detection port is configured for fluid communication with a leak sensing apparatus.

Abstract: A subsea wellhead assembly includes a housing with a bore. A hanger is lowered into the housing, the hanger having at least one centralizing finger with a hook for engaging a corresponding hook an activation ring carried by the hanger via a shear pin. A load ring is carried on the hanger and supported initially within a recess formed on the exterior of the hanger. At the correct depth within the housing, coinciding with a shoulder on the inner diameter of the housing, the pin is sheared under the weight of the casing string and the hooks disengage to allow the load ring on the hanger to slide outward and create a path for the casing load to be transferred from the hanger to the hanger load ring, to a housing load ring, and ultimately the housing.

Abstract: A subsea well production system for a well including a subsea wellhead. The system includes a multi-section production tree that includes a landing section engageable with the subsea wellhead and including a landing section bore. The tree also includes a valve section separate from and engageable with the landing section, the valve section including a lateral production port extending through a valve section wall and in communication with a valve section bore. A production tubing supported by a tubing hanger is installed and supported in the landing section bore such that the tubing hanger extends into the valve section bore. The tubing hanger and production tubing are retrievable through the section bores without disengaging the valve section from the landing section. The valve section is also disengageable from the landing section with the tubing hanger remaining in the landing section.

Abstract: A tubing hanger body made from Non-CRA steel coupled to production tubing made from CRA material. The coupling includes pin threads at the top end of the production tubing which are arranged to be screwed into box threads of the tubing hanger body. A seal sub having metal-to-metal and/or elastomeric seals engages the top end of the production tubing and protects the tubing hanger body from contact with production fluid flowing from the production tubing below to a Christmas tree tubing above. The invention includes a method of repairing of an existing tubing hanger body where its through bore has been damaged. This allows the through bore to be over machined and a CRA sleeve installed to replace tubing threads and body material.

Abstract: Methods and apparatus for diverting fluids either into or from a well are described. Some embodiments include a diverter conduit that is located in a bore of a tree. The invention relates especially but not exclusively to a diverter assembly connected to a wing branch of a tree. Some embodiments allow diversion of fluids out of a tree to a subsea processing apparatus followed by the return of at least some of these fluids to the tree for recovery. Alternative embodiments provide only one flowpath and do not include the return of any fluids to the tree. Some embodiments can be retro-fitted to existing trees, which can allow the performance of a new function without having to replacing the tree. Multiple diverter assembly embodiments are also described.

Abstract: A running tool sets and pressure tests a bridging hanger and a packoff in a single trip. The running tool has a stem, an inner body, and a piston. The inner body is connected to the stem so that rotation of the stem relative to the inner body will cause the stem to move longitudinally. The piston is connected to the stem so that the stem and piston rotate and move longitudinally in unison. A piston engagement element is housed in the inner body and is adapted to engage the piston when the bridging hanger is set to prevent premature setting of the packoff. The piston engagement element can be disengaged once the bridging hanger is set, thereby allowing the piston to set the packoff.

Abstract: A pipe stalk for a pipe-in-pipe pipeline, the pipe stalk including an outer pipe and at least one inner pipe located within the outer pipe, and having a retaining assembly moveable between a first configuration for preventing axial movement of the inner pipe with respect to the outer pipe in a downwards direction and a second configuration for allowing axial movement of the outer pipe with respect to the inner pipe, whereby axial movement of the inner pipe with respect to the outer pipe can be prevented when the outer pipe is held during welding to an adjacent pipe stalk.

Abstract: Methods and apparatus for diverting fluids either into or from a well are described. Some embodiments include a diverter conduit that is located in a bore of a tree. The invention relates especially but not exclusively to a diverter assembly connected to a wing branch of a tree. Some embodiments allow diversion of fluids out of a tree to a subsea processing apparatus followed by the return of at least some of these fluids to the tree for recovery. Alternative embodiments provide only one flowpath and do not include the return of any fluids to the tree. Some embodiments can be retro-fitted to existing trees, which can allow the performance of a new function without having to replacing the tree. Multiple diverter assembly embodiments are also described.

Abstract: Concepts and technologies disclosed herein for duct fittings. According to various embodiments disclosed herein, duct fittings can be formed or assembled from two or more components including a collar and a clamp. The clamp and the collar can be assembled and/or mated together to form the duct fittings. The collar can have a first annular portion to which a first layer of a multilayered duct is attached or connected. The collar also can include a second annular portion that can include splines to which a second layer of the multilayered duct is attached. The splines can accommodate or form fluid passageways. The clamp can be located on top of the second layer and can include attachment mechanisms securing the clamp to a support surface.

Abstract: A fluid conduit system comprising a first portion including a central pipe and a circumferential pipe surrounding the central pipe and coaxially aligned with the central pipe along a radial axis thereof, a second portion including a central pipe and a circumferential pipe surrounding the central pipe along the radial axis, the first portion being aligned with the second portion in the radial axis, and a tube configured for housing the central pipe of the first portion and the central pipe of the second portion therein, at a longitudinal distance between the central pipe of the first portion and the central pipe of the second portion, along a longitudinal axis thereof.

Abstract: To provide a connecting structure of a double tube and an assembling or disassembling method of the double tube capable of disassembling or repairing an inner tube without cutting an outer tube. A connecting structure (10A) includes an outer tube (11) and an inner tube (12). The outer tube (11) is provided at a location corresponding to a connection flange portion (13) of the inner tube (12) with an outer tube short cylinder (15) including openings (14) each having a lid (14a). The outer tube short cylinder (15) is provided at respective ends with outer tube connection flange portions (16A and 16B). There are provided push-up bolts (21) capable of adjusting gaps respectively between an outer tube connection flange portions (17A-1 and 17A-2) which are opposed to each other, and between an outer tube connection flange portions (17B-1 and 17B-2).

Abstract: A coupling feature for double-walled pipes. A double-walled vent pipe section has an outer wall with corresponding male and female coupling features formed on opposite ends thereof. The inner wall of the double-walled pipe section has a small ridge formed around the circumference of one end. When pipe sections are coupled together, the male and female coupling features on the outer walls engage, and the ridge on the inner wall of one pipe section engages with the bare inner wall of the other pipe section.

Abstract: A modular wellhead system having the capability for single or dual annulus via interchangeable heads, a unique capping system, and other features. A unique wellhead manual positive lock system incorporating an energizable inner bite ring for engaging the casing tubing, a compressible slip hanger for the tubing, as well as a hydraulic jack for lifting the tubing from the well to reintroduce tension are provided, the system being particularly suitable for use in conjunction with repair or low pressure plug and abandon (P&A) operations. Components of the system are designed for assembly via locking pins for diver friendly operation, While the present system is designed principally for use in subsea environments, the system can likewise be utilized on land or platforms.

Abstract: An adaptor assembly to be fitted onto a service pipe comprising a host pipe lined with lining pipe is provided. The adaptor assembly includes a body to seal with the host pipe, a bore extending along a longitudinal axis of said body, and a compression element mountable on and axially and displaceable relative to the body. The adaptor assembly includes an axially translatable piston, an annular flange protruding into said bore, and a grip ring disposable between said piston and said flange and having an inner radial surface an outer radial surface of the lining pipe. A slip spacer is disposable between the compression element and the piston to transmit axial load prevent transmission of torque. The compression element is moveable to axially displace the piston causing the grip ring to bear against the inclined annular flange and grip radially inwardly against the outer radial surface.

Abstract: A flexible dual duct coupling, comprising: a coupling body having an inner flow passage and an outer flow passage therethrough; a first nut assembly configured for reversible attachment to the coupling body; and, a second nut assembly configured for reversible attachment to the coupling body, wherein the second nut assembly is opposite the first nut assembly.