1375results about "Siphons" patented technology

The push-to-connect fitting includes a connector body, a sealing member, a grab ring, a cartridge, a retainer sleeve, a plurality of latches, and an interference portion. The sealing member is configured to form a sealing engagement with a fluid conduit. The grab ring includes a plurality of teeth configured for coupling to the fluid conduit. The retainer sleeve is received over at least part of the cartridge and is received over at least part of the connector body. The plurality of latches are located on the retainer sleeve and are configured to secure the retainer sleeve to the connector body to facilitate retention of the sealing member, the grab ring, and the cartridge. The interference portion is configured to engage the retainer sleeve to substantially prevent rotation of the retainer sleeve relative to the connector body.

A fluid connection for a hydromotive machine or fluid-control valve having a first duct and a second duct. The first duct includes a mid-portion between a first end of the first duct and a second end of the first duct that has a non-circular cross-section. A second end of the first duct is wholly within the second end of the second duct. A first end of the second duct is wholly outside of the first duct.

The invention relates to the technical field of pipeline installation, and particularly discloses a super high-rise high-pressure pipeline installation structure which comprises a high-pressure pipe set, the high-pressure pipe set is composed of a right-angle bent pipe and two straight pipes connected with the two ends of the right-angle bent pipe respectively, and annular flanges are arranged on the outer sides of the joints of the right-angle bent pipe and the straight pipes. Sealing connecting parts used for connecting the connecting position of the right-angle bent pipe and the straight pipe and conducting multi-stage sealing on the connecting position are arranged at the connecting position of the right-angle bent pipe and the straight pipe, and a triangular reinforcing part used for conducting triangular reinforcing, locking and fixing on the two sealing connecting parts is arranged between the two sealing connecting parts. Different from a traditional mode that only a single sealing ring is arranged in a sleeved mode, a tight multi-stage sealing system is constructed by arranging the sealing connecting part and the triangular reinforcing part in a matched mode, when a high-pressure pipe set is connected, the first sealing ring fills a gap in the connecting position of the straight pipe and the right-angle bent pipe, primary sealing is achieved, and leakage of a high-pressure medium is effectively blocked.

A conduit coupling includes a first connector at a first end of the conduit coupling, a second connector at a second end of the conduit coupling, and a stem between the first connector and the second connector. A first end of the stem is attached to the first connector. A second end of the stem is attached to the second connector. The stem is bent at a particular bend angle along a bend plane. The first connector includes an indicator that indicates an orientation of the bend plane.

The invention relates to a quick connector (1) for connecting fluid lines in battery thermal management systems, comprising a connecting body (10) which has a straight inlet section (2) for connecting to a main inlet line of the thermal management system in a fluid-communicating manner, and a straight outlet section (4), arranged substantially perpendicularly to said inlet section, for connecting to a heat exchanger line of a battery in a fluid-communicating manner, wherein the connecting body (10) surrounds a fluid channel (5) and has a deflecting section (3) arranged between the inlet and outlet sections (2, 4) for deflecting an inlet flow, characterised in that a fluid channel diameter (D) of the inlet and deflecting sections (2, 3) corresponds to a diameter of the main inlet line and is larger than a fluid channel diameter (d) of the outlet section (4), wherein a diameter transition (7) of the fluid channel (5) is arranged downstream of the deflecting section (3) in the region of the outlet section (4).

The invention provides a shared bolt pipe fitting which comprises a pipe fitting body, and at least one pair of positioning parts are arranged on the outer side of each communicating end. The clamp assembly comprises at least two pairs of clamp pieces, the two ends of each clamp piece are provided with installation bases used for installing bolts, the inner side of each clamp piece is provided with at least one positioning groove, and on every two adjacent pairs of clamp pieces, at least parts of every two adjacent installation bases are overlapped with each other and share the same bolt. The positioning part and the positioning groove are arranged between the end part of the pipe fitting main body and the inner side of the clamp piece, and the overlapping part of the shared bolt is arranged between the two adjacent communicating end parts, so that the communicating end parts of the clamp piece are quickly positioned and mounted, the deformation of the clamp piece in the mounting process is controlled to a certain extent, and the mounting efficiency is improved. Therefore, the connecting stability between the communicating end of the pipe fitting body and other pipeline openings is guaranteed, and the situation that media in a pipeline leak at the connecting position is avoided.

The invention relates to the technical field of pipeline noise elimination, in particular to a pipeline elbow noise reduction device which comprises a connecting elbow, an inner silencer is embedded in a bend of an inner cavity of the connecting elbow, a cavity exists between the inner silencer and the inner wall of the connecting elbow, and a neck bush is arranged between the inner silencer and the inner cavity of the connecting elbow. The inner silencer comprises an inflow part, an inward shrinkage part, a flow guide part and a discharge part which are integrally formed through flexible rubber, the inner diameters of the inflow part, the inward shrinkage part, the flow guide part and the discharge part are smoothly and gradually changed in the flow direction, and the outer wall of the inner silencer and the inner wall of the neck bush are seamlessly attached together. The silencer has the beneficial effects that the gradual change section design of the inner silencer maintains a laminar flow boundary layer through continuous curvature change, and flow separation is effectively reduced; the spiral flow guide fins are used for disassembling macroscopic vortex into micro-scale turbulent flow, so that energy dissipation is accelerated, and medium-high frequency noise is improved in a targeted manner; the sound absorption part is filled with an efficient sound absorption material, and a complementary silencing mechanism is formed with flow field optimization.

The utility model discloses a building water supply and drainage pipeline which comprises a first pipeline and a second pipeline, the first pipeline and the second pipeline are connected through a connecting bent pipe, and a filtering mechanism and a cleaning mechanism are sequentially arranged in the connecting bent pipe downwards along the height of the connecting bent pipe. The filtering mechanism comprises a secondary filtering shell, a flow guide pipe, a primary filtering shell and a conical filtering cylinder; the cleaning mechanism comprises a rotating shaft, a transmission shaft, a group of inclined rods, a group of scraping plates and a plurality of spiral blades. The device has the beneficial effects that the conical filter cartridge firstly filters impurities in water in the connecting elbow, the secondary filter shell is matched for secondary filter treatment, the rotating handle is manually rotated to drive the group of scrapers to clean the impurities on the surface of the conical filter cartridge, and meanwhile, the rotating shaft drives the plurality of spiral blades to rotate, so that the impurities on the surface of the conical filter cartridge can be cleaned. The bottom of the connecting bent pipe can be prevented from being blocked, and a user can regularly clean sundries collected in the secondary filtering shell through a cleaning opening, so that the secondary filtering device is convenient to use.

The invention relates to the technical field of compressed air energy storage, and discloses a compressed air energy storage test hole which comprises a bent pipe and straight pipes, the two ends of the bent pipe are connected with the straight pipes through pipe clamp assemblies, and the pipe clamp assemblies are connected with hoisting assemblies. The pipe clamp assembly is lifted through the lifting assembly, then the V-shaped block on the rotating rod can fall into the V-shaped groove, the moving direction of the straight pipe can be concrete through the position of the V-shaped block on the V-shaped groove until the V-shaped block slides to the position completely matched with the V-shaped groove, and it is indicated that the axes of the bent pipe and the straight pipe completely coincide; in this way, the bent pipe and the straight pipe can be conveniently aligned, then the pipe clamp assembly on the bent pipe and the pipe clamp assembly on the straight pipe are connected through the fixing rod, half of the weld joint of the bent pipe and the straight pipe is not blocked all the time, and at the moment, the exposed weld joint can be manually welded.

An irrigation fitting comprises a first fitting branch and a second fitting branch. The first fitting branch comprises a first planar region and a second planar region. The second fitting branch comprises a third planar region and a fourth planar region. The first planar region and the third planar region jointly comprise a first curved concave edge and a second curved concave edge. The second planar region and the fourth planar region jointly comprise a third curved concave edge and a fourth curved concave edge.

The utility model provides a prefabricated overhead steam heat preservation elbow which is characterized in that a plurality of heat preservation layers are arranged outside an elbow steel pipe body, and the plurality of heat preservation layers are sequentially composed of an inner heat preservation layer, an inner isolation layer, a soft and hard double-material composite heat preservation layer, an outer heat preservation layer, an outer isolation layer and an outer protection layer from inside to outside; the soft and hard double-material composite heat preservation layer is composed of hard heat preservation materials and soft heat preservation materials, the hard heat preservation materials and the soft heat preservation materials are sequentially arranged in the axial direction of the elbow steel pipe body in a staggered mode, the hard heat preservation materials are shrimp joint elbows made of calcium silicate tiles, and the soft heat preservation materials are aluminum silicate, glass wool and nanometer aerogel felt which are filled between the adjacent hard heat preservation materials. In the axial direction of the elbow steel pipe body, the hard heat preservation materials and the soft heat preservation materials are sequentially arranged in a staggered mode, the design can effectively prevent the heat preservation layer from falling, deforming and shifting caused by pipeline expansion in the operation process, the overall strength and stability of the heat preservation layer are improved, and damage to the heat preservation layer caused by external collision is reduced.

The utility model discloses a silicon nitride ceramic lining elbow which comprises an elbow body, a silicon nitride ceramic inner pipe is fixedly embedded in the inner wall of the elbow body, two blocking rings are fixedly connected to the inner wall of the elbow body, and the two ends of the silicon nitride ceramic inner pipe are fixedly connected with the side faces, close to the silicon nitride ceramic inner pipe, of the two blocking rings respectively. Three annular limiting grooves are formed in the inner wall of the bent pipe body, and the inner wall of each annular limiting groove is fixedly connected with a positioning ring. According to the device, through the arrangement of the bent pipe body, the silicon nitride ceramic inner pipe, the annular limiting groove, the positioning ring and the plugging ring, the silicon nitride ceramic inner pipe can be effectively fixed and limited, the silicon nitride ceramic inner pipe is more stably installed in the bent pipe body, stable use of the elbow is facilitated, and through the cooperation of the arranged material guiding slope plate and the plugging ring, the material guiding slope plate is more stable. And the end of the silicon nitride ceramic inner pipe can be protected, the impact force borne by the silicon nitride ceramic inner pipe is reduced, and the elbow can be stably used for a long time.

The embodiment of the invention provides a battery and electric equipment, the battery comprises a mounting part and a flange structure, the mounting part is provided with a mounting hole, the flange structure comprises a first connecting part, a first sealing element and a second sealing element, the first connecting part is movably arranged in the mounting hole, the first sealing element sleeves the periphery of the first connecting part, and the second sealing element sleeves the periphery of the second connecting part. The first sealing part is connected with the mounting part, the second sealing part is arranged on the periphery of the first connecting part in a sleeving mode, and the second sealing part is matched with the first sealing part to enhance the sealing effect between the first sealing part and the first connecting part. The electric equipment comprises a battery.

The utility model discloses a rotational flow dirt-resisting noise-reducing variable-diameter elbow and a building drainage system, the rotational flow dirt-resisting noise-reducing variable-diameter elbow comprises a water inlet elbow structure and a water outlet elbow structure, the water inlet elbow structure and the water outlet elbow structure form an internal channel for water circulation, and a guide vane carrier is arranged in the internal channel. The guide vane carrier is provided with a spiral rotational flow guide vane capable of rotating relative to the internal channel; when water enters the water inlet end, water flow enters the inner channel through the water inlet elbow structure and flows to the water outlet elbow structure in the rotating direction of the rotational flow guide piece so as to be discharged to the water outlet end. According to the rotational-flow dirt-resisting and noise-reducing variable-diameter elbow, the rotational-flow guide pieces are arranged in the inner channel, so that water flow is effectively guided to flow in the spiral direction, direct impact of the water flow on the pipe wall is reduced, noise and vibration are reduced, and the problems that in the prior art, water flow impact sound is large, noise is high, vibration is obvious, and pipe fittings are prone to being damaged are solved; the service life of the pipe fitting and the operation stability of the drainage system are obviously improved.

A connector includes a connecting body with a fluid passage at least part way therethrough, and a seal is provided with an outer portion of a fluid tube. A cartridge proximate to the connecting body has a hollow portion therethrough. A grab part has at least one tooth to retain the fluid tube and is between the cartridge and the seal. A demount part within the hollow portion moves the teeth to allow release of the fluid tube. A latch is located on one of the connecting body or a sleeve covering at least part of the cartridge or the connecting body. A mating catch is located on the other of the sleeve or the connecting body, and engagement of the latch with the catch connects the sleeve to the connecting body and helps restrain cartridge movement.

The invention discloses an efficient natural gas smelting furnace matched pipe joint device with a self-sealing function, and relates to the technical field of natural gas pipe joints. An efficient natural gas smelter matched pipe joint device with a self-sealing function comprises an L-shaped main pipe, a buffer sealing pipe fixedly installed in the main pipe, and a self-sealing pipe, the two ends of the main pipe are connected with a fuel gas pipeline and a smelter pipeline through two sets of connecting flanges respectively, and the buffer sealing pipe is fixedly installed in the main pipe. Pressure fluctuation is formed through the gradual change hole structure, the buffering sealing pipe is expanded through the high-pressure section, the pressing force between the buffering sealing pipe and the inner wall of the main pipe is enhanced, the self-sealing effect is improved while the self-sealing device adapts to the pressure fluctuation or vibration working condition, and the leakage risk is reduced; local resistance is further reduced through the arc-shaped expansion holes, the conveying efficiency is improved, the piston mechanism is driven through natural gas pressure changes, impurities are alternately collected and discharged through valve element switching, and external energy is not needed.

The utility model relates to a splicing type pneumatic conveying pipeline elbow which comprises an inlet flange, an inlet straight pipe, an inlet transition pipe, an impact elbow, a wear-resisting elbow, an outlet transition pipe, an outlet straight pipe and an outlet flange which are sequentially connected, and a fastening hoop assembly is arranged outside a connecting port of the impact elbow and the wear-resisting elbow. The section of each of the impact elbow and the wear-resistant elbow is a special-shaped surface consisting of a semicircular structure at the upper half part and a semi-elliptical structure at the lower half part, the radius of the semicircular structure is equal to half of the length of the short axis of the semi-elliptical structure, and the ratio of the length of the long axis of the semi-elliptical structure to the radius of the semicircular structure is greater than 1.6. By arranging the special-shaped section form of the elbow, a vortex is formed when gas flows through the inlet transition pipe, and the vortex can collide with incoming flow, so that the speed of fluid is reduced, the impact force of materials on the turning part of the elbow is relieved, and the abrasion degree of the inner wall of the elbow is reduced; and the pipe section can be partially replaced when being partially damaged, so that the comprehensive service life of the elbow pipe is prolonged.

The utility model discloses a combined pipeline elbow anti-blocking mechanism, relates to pipeline elbow technical field, including elbow body, elbow body includes elbow, liquid outlet pipe, liquid inlet pipe and mount seat, liquid outlet pipe is fixedly connected with one end of elbow, liquid inlet pipe is fixedly connected with the other end of elbow, and the mount seat is fixedly connected with the elbow. The controller is used for controlling the pulse electromagnetic valve to be started, compressed air in the high-pressure air cylinder is conveyed into the air conveying pipe through the pulse electromagnetic valve and the air cylinder connecting base, and therefore the compressed air is conveyed into the air spraying pipe through the connecting pipe; when the elbow is blocked, pulse airflow is jetted into the elbow through the air jet holes, so that impurities possibly accumulated in the elbow are impacted and disturbed, the impurities flow along with fluid again, blockage is avoided, and the blocking effect of the elbow is improved.

The invention discloses a spliced water-saving hose for agricultural irrigation, and belongs to the technical field of agricultural irrigation. A splicing type water-saving water hose for agricultural irrigation comprises a water hose body, one end of the water hose body is connected with a first access assembly, and all-directional sealing and fixing at the splicing position are achieved through a triple cooperative structure of an L-shaped connecting block and an arc-shaped fixing groove, a first annular connecting block and a second annular groove, and a double-semi-arc-shaped fixing block and the first annular groove; after the L-shaped connecting block is embedded into the first rectangular connecting groove, the L-shaped connecting block is rotationally locked through the arc-shaped fixing groove, transverse and longitudinal dual mechanical limiting is formed, the joint is prevented from being separated when the water hose is pulled or impacted by water pressure, and the first annular connecting block is precisely matched with the second annular groove to form a first sealing barrier to prevent water flow from leaking from a joint gap; the double semi-arc fixing blocks are automatically embedded into the first annular grooves under the action of the reset springs, the structural stability is enhanced, second sealing is formed, and the water seepage path is further isolated.

The invention discloses a runner cone and draft tube combined device for reducing pressure pulsation of a draft tube, which belongs to the technical field of large hydroelectric generating set equipment, is arranged on a rotating wheel and comprises a runner cone and a draft tube, a plurality of water diversion blades are arranged on the outer edge of the runner cone; the runner cone is connected with an outlet of the runner crown; the draft tube comprises a straight cone section, a bent elbow section and a diffusion section which are connected in sequence; a plurality of guide plates are arranged on the inner edge of the straight cone section; the small-diameter end of the straight cone section is used for forming a draft tube inlet and is connected with a rotating wheel outlet. According to the runner cone for relieving the pressure pulsation of the draft tube and the draft tube combination device, the problems that in the prior art, running of the draft tube and the runner cone applied to an ultra-large-capacity water turbine causes unstable tail water vortex, and the service life of a rotating wheel is affected can be effectively solved.

The utility model provides a connecting joint which is used for being connected with a matched joint, the connecting joint comprises a joint body, a locking spring and a fixing ring, and an inserting hole is formed in the joint body; the lock spring comprises an elastic strip plate, a first limiting block and an abutting block, and the first limiting block and the abutting block are arranged on the elastic strip plate; the fixing ring is arranged in the connector body, an avoiding hole for avoiding the lock spring to be inserted is formed in the circumferential direction of the fixing ring, and a blocking table is arranged at the position, away from the inserting hole, of the fixing ring. The lock spring can drive the first limiting block to be inserted into the connector body and the fixing ring through the insertion hole and the receding hole until the first limiting block abuts against the blocking table. The matching connector can push the abutting block to enable the elastic strip plate to elastically deform so as to drive the first limiting block to move and break away from limiting of the near end of the blocking table in the insertion direction, and then the locking spring is further inserted into the connector body and the fixing ring to lock the matching connector.

An attachment system for a power air blower is disclosed. The attachment system is made to be universally adaptable, connectable, or retrofittable to a wide variety of existing blowers. The attachment system includes an elongated tube and a bent or curved tube. The elongated tube attaches, at one end, to an air outlet of a power air blower and, at the other end, to an air inlet end of the bent or curved tube, which includes a nozzle at the opposite end. The elongated tube and the bent or curved tube cooperate with each other, such as telescopically, so that the attachment system is length-adjustable and the separation between the nozzle and the power air blower is adjustable. The attachment system includes one or more light emitters configured to illuminate an area adjacent to the nozzle.

There is disclosed fluid distribution junctions and methods of assembly therefor. Flexible conduits connect to the junctions, and a consumable subsystem of the junction, conduits and receptacle caps or other connectors may be pre-assembled for ease of use. A subassembly is formed by coupling a plurality of flexible tubular conduits to a plurality of fluid connectors of a fluid junction, the fluid junction having an inner fluid plenum chamber leading to the fluid connectors. Two shells are sandwiched on opposite sides of the subassembly, the shells having mating concave receiving surfaces that together conform around each of the fluid connectors and clamp the tubular conduits onto the circular beads. Juxtaposed joint surfaces on each pair of mating concave receiving surfaces are bonded together such as with sonic welding to make the fluid distribution junction assembly.

The utility model discloses a negative pressure valve connecting elbow of a negative pressure drainage system, and particularly relates to the technical field of elbow pipe fittings, the negative pressure valve connecting elbow comprises an elbow pipe, a straight pipe and a connecting pipe which are sequentially arranged from left to right, an extension pipe is arranged in the straight pipe, the elbow pipe is in flange connection with the straight pipe, the extension pipe is in flange connection with the connecting pipe, and a negative pressure valve is arranged on the connecting pipe. A sealing assembly is arranged at one end of the extension pipe, and an abutting disc used for abutting against the sealing assembly is arranged on the outer side of the extension pipe. A sealing plate is connected to a flange at the end, back on to the bent pipe, of the straight pipe, a first driving structure and a second driving structure are arranged on the sealing plate, the first driving structure is connected with the sealing assembly, and the second driving structure is connected with the abutting disc. The sealing assembly comprises a fixing ring, the fixing ring is fixedly connected to one end of the outer surface of the extension pipe, and the ring side of the fixing ring is sleeved with a sealing ring; the connecting elbow solves the technical problem that the installation applicability is reduced due to the fact that an existing connecting elbow does not have the installation compensation capacity.

The application discloses a sleeve type elbow pipe sliding block device and a use method thereof, and belongs to the technical field of elbow pipes of dredging ships. The sleeve type elbow pipe sliding block device comprises a sliding block seat sliding on a lateral guide rail of a ship body, further comprises a hinged arm structure, the hinged arm structure is rotationally connected with the sliding block seat, and an elbow pipe body is arranged in the hinged arm structure; a first connecting piece is fixedly arranged on one side of the sliding block seat and rotationally connected with the elbow pipe body; a sealing piece is fixedly connected with the first connecting piece and used for sealing a gap between the elbow pipe body and the first connecting piece; and a second connecting piece is fixedly connected with the sliding block seat. The application changes the stress of the elbow pipe body from the structural design, so that the elbow pipe no longer bears the pulling force of the rake pipe, the pulling force burden is released, the design focus is on the wear resistance, the wear-resistant surfacing pipe type is adopted, the service life of the elbow pipe is prolonged, the repair period of the elbow pipe body is prolonged, and the construction efficiency of the dredging ship is ensured.

The utility model relates to a siphon pipeline drainage device which comprises a building, a gutter and a siphon device, the gutter is arranged on the roof of the building, the siphon device comprises a siphon, a water collecting tank, a sewer pipe, a water suction pipe, an electric valve and a three-way valve, the sewer pipe is connected to the bottom of the water collecting tank, the water suction pipe extends into the gutter, and the water collecting tank is higher than the gutter. The water outlet end of the siphon is lower than the gutter, the water inlet end of the siphon is communicated with the water suction pipe and the sewer pipe through a three-way valve, and an electric valve is arranged on the siphon. In a water storage state, the siphon device can enable rainwater collected by the water collecting tank to flow into the siphon, and the whole siphon is filled with collected water; in the drainage state, the siphon device sucks water in the gutter towards the water suction pipe through the siphon effect, and the water in the gutter is drained to the siphon through the water suction pipe and then drained outdoors. According to the siphon pipeline drainage device, accumulated water in a gutter can be drained in time when the rainfall is large, and the problem that a building leaks rain when the gutter is full of water is solved.

Maintenance kit for a hydraulic system equipped with suction (13) and delivery (14) pipes that define a first connection interface (61), the kit comprising: - at least one pump, said pump having a second connection interface configured for reversible coupling with said first connection interface (61); - a connector element (50) equipped with a third connection interface (51, 52); wherein the third connection interface (51, 52) of said connector element (50) is dimensionally and functionally identical to the second connection interface of said pump, so that said connector element (50) and said pump are mutually interchangeable for coupling with the second connection interface of the hydraulic system, said first, second, and third connection interfaces being configured for coupling by means of reversible fastening means (60) that ensures a hermetic seal of the system under pressure without the need for additional sealing materials.

The utility model relates to the technical field of drainage pipes, and discloses an anti-blocking drainage pipe which comprises a drainage pipeline, an anti-blocking barrel, a water passing groove, a connecting thread, a fixed cover plate, a fixed screw cap, a connecting pipe and a sealing groove. A water passing groove is fixedly formed in the drainage pipeline, a connecting thread is fixedly arranged in the anti-blocking barrel, a fixed cover plate is fixedly arranged at the left end of the anti-blocking barrel, a fixed screw cover is fixedly arranged at the right end of the fixed cover plate, and a connecting pipe is fixedly arranged at the upper end of the drainage pipeline. According to the anti-blocking drainage pipe, the drainage pipe is improved, so that the anti-blocking capacity of the drainage pipe is improved, in the actual use process of the drainage pipe, blocking objects can be rapidly and effectively discharged from the drainage pipe according to needs, and the drainage pipe can adapt to various environments conveniently; and the drainage effect of the anti-blocking drainage pipe is improved.

An agricultural implement (10) includes a frame supported by a plurality of wheels and carrying a toolbar (22) and at least one central hopper (20), a plurality of material applicators (204) carried by the toolbar (22), and a plurality of flow lines (26) fluidly connecting the at least one central hopper (20) to the material applicators (204). Each flow line (26) includes at least one composite elbow (210), and each composite elbow (210) has a polymeric body (302) and a wear-resistant plate (314) within the polymeric body (302). The outlet of the polymeric body (302) has an orientation different from the inlet (304) thereof, and the wear-resistant plate (314) is oriented to deflect material traveling along a central longitudinal axis (A1) of the inlet (304) toward a direction of a central longitudinal axis (A2) of the outlet (306). A method of forming a composite elbow (210) includes disposing a wear-resistant plate (314) within a polymeric body (302) as disclosed.