Abstract: Embodiments of the present invention relate to arcuate saddles with partial ribs typically used to anchor and suspend insulated or non-insulated pipes. Partial ribs on the lower face of the saddle inhibit the saddle from sliding relative to the hanger when engaged and provide strengthening force to the saddle.

Abstract: A hot tap clamp. The clamp includes a first clamp part, a second clamp part, a fastener for stable fastening of the clamp parts around a section of a pipeline provided with a hot tap coupling, a pipe socket fixedly integrated with one of the clamp parts at an inner end and extending outward from the clamp part to an outer end, a hub on the outer end of the pipe socket, the pipe socket at the inner end going through the clamp part abutting the surface of the pipeline, such that the pipe socket can be sealingly welded to the pipeline by internal welding.

Abstract: To connect a high-pressure line to a cylindrical accumulator tank, a fastener is fastened to one end of the high-pressure line, a connector has a first inside wall surface which defines a first hole for accommodating and fastening a portion of the cylindrical accumulator tank, a joining device effects a connection between the fastener and the connector, at the connection a contact surface of the high-pressure line is brought to engage with a contact surface of the accumulator tank. The first inside wall surface has in an axial direction relative to the cylindrical accumulator tank and a curved shape such that relative pivoting movements between the connector and the accumulator tank are enabled when the connection is effected and the contact surfaces are brought towards one another.

Abstract: An improved saddle tee for branching a conduit from a main line is disclosed. The saddle tee includes a base unit that defines an opening for receiving a tap and interlocking jaws for securing the base unit to a main line. The tap may include a shaped portion for receiving a tool interface to rotate the tap to drive the tap into the main line. The tool interface could be secured to a power tool to enable rapid driving of the saddle tee into the main line. The saddle tee may also include offset arcuate interlocking jaws to enable the jaws to interlock around the main line with ease. Optional interface surfaces on the tap and base unit enable the tap and base unit to interlock to limit rotation of the tap relative to the base unit when the tap is fully inserted into the base unit.

Abstract: A pipe coupling including an annular seal disposed in an annular clamp housing, an aperture being formed through a side wall of the annular seal and the annular clamp housing, and a pressing ring secured to and pressed against the annular seal and a side wall of the annular clamp housing with a mechanical fastener, so as to create a water-tight junction between the annular seal and the annular clamp housing.

Abstract: A stormwater filtration system includes a stormwater containment structure including a bottom surface, an inlet that receives stormwater and an outlet through which filtered stormwater exits the stormwater containment structure. A flow structure is at the bottom surface. The flow structure includes a conveyance conduit running along the bottom surface of the stormwater containment structure and in fluid communication with the outlet of the stormwater containment structure. The conveyance conduit includes a port extending through a sidewall of the conveyance conduit. A saddle includes an upper component and a lower component connected to the upper component such that the upper and lower components straddle the conveyance conduit at the port. The upper component includes an opening in communication with the port and the lower component supports the conveyance conduit above the bottom surface.

Abstract: An improved saddle tee for branching a conduit from a main line is disclosed. The saddle tee includes a base unit that defines an opening for receiving a tap and interlocking jaws for securing the base unit to a main line. The tap may include a shaped portion for receiving a tool interface to rotate the tap to drive the tap into the main line. The tool interface could be secured to a power tool to enable rapid driving of the saddle tee into the main line. The saddle tee may also include offset arcuate interlocking jaws to enable the jaws to interlock around the main line with ease. Optional interface surfaces on the tap and base unit enable the tap and base unit to interlock to limit rotation of the tap relative to the base unit when the tap is fully inserted into the base unit.

Abstract: Fire sprinkler system comprising a network of CPVC pipe lengths in which at least some of the pipe lengths are interconnected with mechanical devices having resilient sealing members that are chemically compatible with the CPVC composition. Repairs and system modifications can be made without the use of solvent cement. In-line joints are formed with a coupling device including a pair of arcuate coupling segments having a first end, a second end, and an interior concave surface extending between the first end and the second end. A longitudinal channel extends along the concave surface. At least one mechanical fastener is operative to detachably connect the pair of coupling segments. A resilient annular seal is located within the longitudinal channel of each segment. A branching device connects a branch pipe to a main pipe through an orifice in the main pipe utilizing a saddle-like sealing member. The pipe assemblies are able to pass UL testing protocols for wet fire sprinkler systems.

Abstract: A tapping tee assembly and method for tapping a conduit and fluidly connecting to the conduit include a body defining a conduit recess for receiving the conduit and further defining a main passage with a cover disposed therein. The main passage has a first end adjacent the conduit recess and a second, open end spaced apart from the first end. The second end is closed by a cap. The body of the tapping tee assembly is secured to the conduit with the conduit received in the conduit recess. The cutter is advanced along the main passage toward the conduit without removal of the cap from the body to tap the conduit and fluidly connect the conduit and the main passage.

Abstract: The purpose is to extract a large volume of regulated conditioned air thru use of a saddle tap fitting made of sheet metal, and for tightly attaching a HVAC branch line to a circular or arcuate sides of a flat or short sections of pipe as well as tapers, reducers or oval main trunk lines and their fittings of many different sizes at an angle. This fitting includes 2 cylindrical collars rotatably attached to a body having a skirt which flexibly conforms, to the arcuate surface to which it is attached. Manually rotating the two canted collars smoothly changes the angles and compound angles, to the branch lines from a range of approx 107 degrees when attached to the main line thus directing a controlled volume of conditioned air to desired locations all of this can be achieved with the use of this one fitting.

Abstract: Embodiments of the present invention relate to arcuate saddles with partial ribs typically used to anchor and suspend insulated or non-insulated pipes. Partial ribs on the lower face of the saddle inhibit the saddle from sliding relative to the hanger when engaged and provide strengthening force to the saddle.

Abstract: A fitting includes a body having at least two portions coupled together to form a body having a passage through the body. The passage allows at least a portion of a conduit to be located at least substantially lengthwise within the body. A first seal is located on the passage wall proximate a first end of the body. A second seal is located on the passage wall proximate a second end of the body. A translatable ring is located on the passage wall between the first and second seals. The ring moves along the passage wall when the first seal is activated so that the second seal is activated. The first and second seals provide a seal in the passage.

Abstract: Apparatus and method for connecting a lateral pipe to a main pipe are provided by a tool having a first end within the main pipe and a second end outside the lateral pipe so as to apply pressure to the below-ground connection of the main and lateral pipes from an above-ground location. The entire operation may be done without a person having to enter into an access opening in the ground to connect the lateral pipe to the main pipe. A laser is used to determine the depth of the access hole relative to the surface of the ground and the main sewer pipe.

Abstract: A stormwater filtration system includes a stormwater containment structure including a bottom surface, an inlet that receives stormwater and an outlet through which filtered stormwater exits the stormwater containment structure. A flow structure is at the bottom surface. The flow structure includes a conveyance conduit running along the bottom surface of the stormwater containment structure and in fluid communication with the outlet of the stormwater containment structure. The conveyance conduit includes a port extending through a sidewall of the conveyance conduit. A saddle includes an upper component and a lower component connected to the upper component such that the upper and lower components straddle the conveyance conduit at the port. The upper component includes an opening in communication with the port and the lower component supports the conveyance conduit above the bottom surface.

Abstract: A device for hot tapping is disclosed. The device includes a tube having a bore with an opening in the tube in fluid communication with the bore. The tube is connected to a valve which is connected to a saddle connection mounted on a pipe element in a piping network. A boring tool is inserted through the tube and the valve and bores a hole in the pipe element. Fluid under pressure flows from the pipe element through the tube and out through the opening. Swarf generated by the boring is entrained in the fluid and is flushed out through the opening. The device also includes a saddle connection having projections which bite into the pipe element and prevent motion. A hot tapping kit including tubes of different diameters is also encompassed by the invention.

Abstract: An improved saddle tee for branching a conduit from a main line is disclosed. The saddle tee includes a base unit that defines an opening for receiving a tap and interlocking jaws for securing the base unit to a main line. The tap may include a shaped portion for receiving a tool interface to rotate the tap to drive the tap into the main line. The tool interface could be secured to a power tool to enable rapid driving of the saddle tee into the main line. The saddle tee may also include offset arcuate interlocking jaws to enable the jaws to interlock around the main line with ease. Optional interface surfaces on the tap and base unit enable the tap and base unit to interlock to limit rotation of the tap relative to the base unit when the tap is fully inserted into the base unit.

Abstract: A tubing connecting device for a fluid carrying tube having a flat portion with an aperture therethrough includes a coupling body having a first port and a second port that are in fluid communication, a planar surface on the coupling body, surrounding the first port and configured to engage the flat portion of the tube with the first port in fluid communication with the aperture. A strap is affixed at both ends to the coupling body and is configured to engage the tube and hold the coupling body in place on the flat.

Abstract: A pipe saddle having a pipe compression pad suitable for sealing engagement with any of a range of different diameter irrigation pipes with the pipe saddle having pliable pipe straps integrally formed to the compression pad to provide a continuous surface for compressive engagement of an external surface of an irrigation pipe thereto to thereby hold an irrigation pipe in position within the pipe saddle while a pipe tap is inserted into the irrigation pipe.

Abstract: A sway brace including a U-shaped strap with flanges at each end. The flanges are mounted to two mounting fixtures including block bodies and passages therethrough. Mounting surfaces on the fixtures are parallel to the centerline of the passage to receive the flanges of the U-shaped strap. Threaded members affix the flanges to the mounting surfaces of the mounting fixtures. The threads are placed symmetrically of the centerline of the passage and displaced from one another.

Abstract: A dual mode pipe insert having a first mode wherein a set of sealing ribs located thereon provide for retention of the dual pipe insert as a stand alone saddle end cap and a second mode wherein an internal pipe insert port, which is located intermediate a set of sealing ribs, cooperates with an external saddle support having an alignment guide and latch mechanism for securing a pipe saddle housing in a branch pipe connecting position to enable blind formation of a branch pipe through the pipe insert and proximate an end of a capped pipe

Abstract: A device for hot tapping is disclosed. The device includes a tube having a bore with an opening in the tube in fluid communication with the bore. The tube is connected to a valve which is connected to a saddle connection mounted on a pipe element in a piping network. A boring tool is inserted through the tube and the valve and bores a hole in the pipe element. Fluid under pressure flows from the pipe element through the tube and out through the opening. Swarf generated by the boring is entrained in the fluid and is flushed out through the opening. The device also includes a saddle connection having projections which bite into the pipe element and prevent motion. A hot tapping kit including tubes of different diameters is also encompassed by the invention.

Abstract: A two-part housing grips and surrounds a portion of a pipe, with ports at first and second ends of the housing through which the pipe extends. An annular end seal of elastomeric material at each end of the housing provides a seal between the pipe and housing. The end seals each have one slit for allowing the seals to be engaged transversely over the pipe. Each port has an annular recess for enclosing the respective end seals. The cross-sectional area of each end seal in a relaxed condition is greater than the cross sectional area defined between the outer surface of the pipe and the annular recess in the housing when the housing is closed around the pipe, so that the end seals are squeezed between the opposing surfaces of the pipe and housing when the two parts of the housing are secured around the pipe. Face seals extend between the end seals on opposite sides of the housing to seal the intersection between the two housing parts.

Abstract: Pipe fittings, used in joining abutting ends of two pipe sections, comprise a pair of semi-cylindrical members that are adapted to fit around and engage the periphery of opposed ends of the two abutting ends of the pipe sections. Longitudinal edges of the two semi-cylindrical members are formed so as to mate with one another to form a mechanical means of locking the semi-cylindrical members together in tight engagement with the ends of the pipes. Each of the semicylindrical members has a seal mechanism formed of a resilient, elastomeric material which forms a mechanical, water-tight seal between the mutually respective pair of semi-cylindrical members as well as the opposite ends of the pipes to which the pair of semi-cylindrical members have been attached.

Abstract: A tubing connecting device for a fluid carrying tube having a flat portion with an aperture therethrough includes a coupling body having a first port and a second port that are in fluid communication, a planar surface on the coupling body, surrounding the first port and configured to engage the flat portion of the tube with the first port in fluid communication with the aperture. A strap is affixed at both ends to the coupling body and is configured to engage the tube and hold the coupling body in place on the flat.

Abstract: A tapping tee assembly and method for tapping a conduit and fluidly connecting to the conduit include a body defining a conduit recess for receiving the conduit and further defining a main passage with a cover disposed therein. The main passage has a first end adjacent the conduit recess and a second, open end spaced apart from the first end. The second end is closed by a cap. The body of the tapping tee assembly is secured to the conduit with the conduit received in the conduit recess. The cutter is advanced along the main passage toward the conduit without removal of the cap from the body to tap the conduit and fluidly connect the conduit and the main passage.

Abstract: A pipe interruption fitting having a flange is removable after pipe maintenance work has been completed. The fitting includes an upper reinforcing plate, an inner surface of which has a curvature corresponding to an outer surface of the pipe, and a vertical pipe welded to the upper reinforcing plate. The fitting further includes an adaptor welded to the vertical pipe. Bolt holes are formed in an upper surface of the adaptor. A through hole is formed through the adaptor. An annular groove is formed in an inner surface of the through hole. The flange is removably coupled to the adaptor. Coupling holes are formed in the flange for installation of a boring machine or a stopple machine. The fitting further includes a plug fitted into the through hole of the adaptor and having an expansion plate to be inserted into the annular groove. A cover is adapted to be inserted into the through hole of the adaptor and to be welded thereto.

Abstract: Method in which the following operations are carried out: a) digging an exploration hole (8) in order to open up a main pipeline (2) which has an upper edge (10) which extends at an upper level (12) which is substantially constant relative to the ground (6), b) using a branch connection (14) which has a support surface (16) and a shaft (18) to which the branch pipe is connected, c) positioning the support surface (16) of the branch connection (14) against the main pipeline (2) so that the shaft (18) is below the upper level (12) of the main pipeline (2), d) fixing the branch connection (14) to the main pipeline (2), e) placing the branch pipe and the main pipeline (2) in communication, f) refilling the exploration hole (8), whilst keeping the branch pipe below the upper level (12) of the main pipeline (2).

Abstract: A tubing connecting device for a fluid carrying tube having a flat portion with an aperture therethrough includes a coupling body having a first port and a second port that are in fluid communication, a planar surface on the coupling body, surrounding the first port and configured to engage the flat portion of the tube with the first port in fluid communication with the aperture. A strap is affixed at both ends to the coupling body and is configured to engage the tube and hold the coupling body in place on the flat.

Abstract: A “quick change” restrictor assembly that allows quick rebalancing of flow-pressures within a duct system. The invention comprises a removable restrictor plate, a branch circuit for receiving the plate, and a means for retaining the restrictor plate to the branch circuit. The circuit includes a feature that allows for removal and installation of the restrictor plate without removing the branch circuit, inlet or outlet ducting. The quick change restrictor will not require bonding and can be installed easily from outside the duct without any disassembly. The restrictor may also have various clips or tabs to reinforce the slot the restrictor plate is inserted into. The restrictor may also have a smart part number and color code that is visible from outside the duct allowing easy removal, identification and inspection.

Abstract: A saddle tap to be mounted on a resin pipe, includes a saddle, a branching barrel including a straight piping portion having an internally threaded hole longitudinally extending therealong, and a branch portion extended from the middle of the straight piping portion, the straight piping portion standing at one end thereof on the saddle, a hole-drilling cutter with a rotating tool detachably connected thereto, and having, at one end thereof, a cutting edge integrally formed therewith, the hole-drilling cutter having an externally threaded barrel portion and being screwed into the internally threaded hole of the straight piping portion so that the hole-drilling cutter is longitudinally movable, and a cap detachably mounted on the other end of the straight piping portion of the branching barrel for closing the internally threaded hole.

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 seal clamp assembly for sealing an opening in a piping system includes, in an exemplary embodiment, a base having a first side, a second side and an aperture extending therethrough from the first side to the second side, and a brace coupled to the base. The brace includes a distal pad hingedly coupled to a distal end portion of the brace. The seal clamp assembly also includes a spring bridge coupled to the base first side. The bridge includes a substantially rectangular U-shaped frame and an aperture extending through the spring bridge frame such that the spring bridge aperture is in substantial lineal alignment with the base aperture. A clamping assembly is coupled to a proximate end portion of the brace.

Abstract: A saddle tee assembly for use with an irrigation line. The saddle tee assembly generally includes a collar portion having a bore therethrough; a strap portion for securing the collar to an irrigation line; and a tool having a passage therethrough with an opening in fluid communication with the passage. The tool may be receivable in the bore for puncturing the irrigation line. In a preferred form, the saddle tee assembly also includes an anti-rotation interface between the collar portion and the tool. The anti-rotation interface includes a first stop on the collar portion and corresponding second stops on the tool. The first and second stops being engageable to align a received tool in a predetermined orientation and restrict unintentional rotation of the tool.

Abstract: An electrofusion coupling for coupling a first device to a second device, includes a first part having an outer end for coupling to the first device, and an inner end formed with a surface of a curved configuration; and a second part having an end engaging the inner end of the first part and formed with a surface of a complementary curved configuration as the first part. The curved configurations of the two parts is such that the second part may be pivoted to locate its longitudinal axis at different angles with respect to the longitudinal axis of the first part. At least one of the parts is of a thermoplastic material and includes an electrical heater coil embedded along its curved surface for fixing by electrofusion the angular position of the second part with respect to the first part.

Abstract: A saddle and tap for lawn and similar irrigation systems. The saddle includes a base portion that snaps on the delivery pipe of the system and a pair of threaded, upright portions that extend upwardly from it. The tap includes a piercing member, barrel section, and threaded annular nut. In operation, the barrel section helps to guide the threaded upright portions of the saddle into the threaded annular nut of the tap. Rotation of the nut then advances the piercing member into the pipe. The tap is releasably lockable on the saddle and the piercing member of the tap is provided with holes with radiused or rounded edges to prevent creating undesirable shavings as the tap is advanced through the pipe wall.

Abstract: A saddle tee and tap combination for making a fluid connection with an irrigation line in an irrigation system. The saddle tee includes a base having a passage therethrough, and a clamp thereon for engaging an irrigation line. The clamp holds the irrigation line in alignment with the passage, and compresses the irrigation line into an generally oval cross-section elongated in the direction of the axis of the passageway. The tap has a tip with a pointed end adapted to be inserted into the passageway so that the pointed end penetrates the wall of the irrigation line engaged in the clamp, in the direction of the elongation of the cross section.

Abstract: A common-rail injection system is provided for a diesel engine and has excellent internal pressure fatigue resisting characteristics, vibrational fatigue resisting characteristics and cavitation resisting property and sheet face flawing resisting property, and can be made thin and light in weight. A main pipe rail is manufactured by transformation induced plastic type strength steel. After the main pipe rail is processed, residual austenite is generated by heat treatment, and the reduction processing of stress concentration of a branch hole and a main pipe rail side flow passage crossing portion is performed. Further, it is preferable that an induced plastic transformation is generated on the inner surface of the main pipe rail by autofrettage processing, and compression residual stress is left.

Abstract: Plural spaced projections attached to the outer surface of a branch pipe of a tapping sleeve positioned on a main water line are disposed in contact with a rubber gasket also positioned on and disposed about the branch pipe. A two-piece split gland is also positioned about the branch pipe and engages a first surface of each of the projections. The split gland is adapted for coupling to the flange of a mechanical joint tapping valve by plural nut and bolt combinations for urging the gasket into intimate contact with a second opposed surface of each of the projections and the tapping sleeve's mechanical joint in forming a seal with the branch pipe. The split gland coupling allows for vertically orienting the tapping sleeve even when the main water line is not level, or horizontal, to facilitate tapping valve access via an extension pipe when the tapping sleeve is buried.

Abstract: An improved tapping sleeve includes a first sleeve member having an outlet aperture, a second sleeve member, and a unitary gasket. An outlet retaining ring is positioned around the outlet aperture. A pair of end retaining lips are positioned on inner surfaces of the first and second sleeve members at opposing ends of the sleeve members. The gasket includes a gasket outlet having a pair of tapered surfaces on opposing longitudinal sides of the gasket outlet. The gasket, when positioned on a pipe in an un-stretched, uncompressed position subtends an arc of less than 360 degrees, creating a gap in the gasket. As the first and second sleeve members are connected, the outlet retaining lip engages armor members on the gasket, thereby circumferentially stretching the gasket and closing the gap. The tapered surfaces and the outlet retaining lip prevent excessive gasket flow into the outlet aperture.

Abstract: A tool assembly and a process for using it is provided, wherein a single elongate handle member may be used, through a small hole at the ground surface, to reach underground pipes for installing different sized strap “T” couplings on different sized pipes, and for driving sleeve members associated with said strap “T” couplings, pneumatically, from above ground, to engage pipes at various locations below ground.

Abstract: A duct connection assemble, whereby upon connecting a saddle flange (2a) of the joint duct (8) to the main ribbed duct (3) through the communication hole (1b), the rubber sealant (1) is interposed between the saddle flange (2a) and a circumferential area of the communication hole (1b) so that protuberances (2b) uniformly press the rubber sealant (1) through the recesses (1d) to tightly engage the saddle flange (2a) against an outer surface of the main ribbed duct (3) through rib-fitting grooves (1a) and the water sealing small projective rings (1c). The joint duct (2) is brought into an elastical engagement with the main ribbed duct (3) to achieve a good water sealing action for an extended period of time.

Abstract: A saddle tee and tap combination for making a fluid connection with an irrigation line in an irrigation system. The saddle tee includes a base having a passage therethrough, and a clamp thereon for engaging an irrigation line. The clamp holds the irrigation line in alignment with the passage, and compresses the irrigation line into an generally oval cross-section elongated in the direction of the axis of the passageway. The tap has a tip with a pointed end adapted to be inserted into the passageway so that the pointed end penetrates the wall of the irrigation line engaged in the clamp, in the direction of the elongation of the cross section.

Abstract: A pipe coupling device has a main body defining a main body passage hole to permit communication between inside the main body passage hole and outside the main body passage hole. A fixing screw member is joined to the main body to surround a periphery of the main body passage hole, the fixing screw member having an external thread formed in its outer peripheral surface. A sleeve is insertable in the fixing screw member while a tilt preventing gap is defined between the sleeve and an inner peripheral surface of the fixing screw member. A first convergently tapered portion formed at a tip end of the pipe is pressed against a first pressure bearing surface formed at one end of the sleeve to form a first seal. A second convergently tapered portion formed at the other end of the sleeve forms a second seal.

Abstract: Tapping fitting (1) suitable for application to a plastic pipe (P), comprising: a housing (5) including a hollow main section (6), the housing being attachable to a pipe (P); a cutter assembly (13) mountable within the hollow main section (6) and axially moveable therein into a cutting position wherein the cutting blade (14) engages the surface of a pipe (P) to which the fitting is attached; and a direct seal (23) between the housing (5) and the cutter assembly (13), wherein, in use, the seal (23) is maintained between the housing (5) and the cutter assembly (13) regardless of the axial position of the cutter assembly (13) within the housing (5).

Abstract: The invention concerns a method whereby after the saddle hub (3) has been placed on the pipe (2a, 2b, 2c), the open and deformable ring (4) is closed back on the pipe, the screw (5) is folded down and the screw is clamped to complete the locking of the plate (3) whereon is mounted the device (12, 29) for boring the pipe. The invention is useful for branch channel connection on a pipe (2a, 2b, 2c).

Abstract: The invention provides an electrofusion joint made of a thermoplastic resin for connection with a resin pipe by heat generation of heating wires embedded in its saddle portion through electric conduction, such as a saddle joint comprising a saddle portion to be fitted to an outer circumferential surface of a resin pipe provided with heating wires embedded in its surface to be joined to the resin pipe, also comprising a spigot projecting from the saddle portion and to which a branch pipe is to be connected, or a service tee joint comprising a saddle portion in which heating wires are embedded, a trunk portion projecting from the saddle portion and a spigot projecting in a lateral direction from the trunk portion.

Abstract: The Quick Connect Diffuser Assembly of the present invention includes a special saddle in fluid communication with an air distribution header pipe and a diffuser body connected to the special saddle. The saddle is connected to the air distribution header pipe with a two interlocking sections joined on one side with a hinge, and on the other with flanges. The flanges are connected with a wedge piece. The diffuser connects to the upper saddle section with a bayonet type Quick connection. Gas is forced from the air distribution header pipe through an orifice hole in the pipe, then through the saddle and exits the diffuser body through a diffusion membrane. The membrane forms the gas into fine bubbles that aerate liquid contained in a basin. A single saddle assembly is adaptable to mount on either US or Metric pipe, which have different outside diameters, by changing gaskets and an O-ring.

Abstract: A device for coupling supports for valves, nozzles, jets or the like to fluid distribution pipes, comprising a ring that is divided into a first arc and a second arc, which are mutually complementary and are pivoted at a respective end, are free at the opposite end, and are suitable to surround externally a fluid distribution pipe, one of the first and second arcs being associable with a support for valves, nozzles, jets or the like, and a lever for closing the ring, which is articulated to the opposite end of the first arc and is provided with at least one tooth for engaging a pin formed at the opposite end of the second arc.

Abstract: A saddle tee and saddle tee tap combination for making fluid connections with an irrigation line. The saddle tee comprises a body having first and second ends, and a passage therethrough, and a clamp on the second end of the body engaging the irrigation line in alignment with the passage, the clamp being larger than the irrigation line. In one embodiment the clamp defines first and second cross sectional areas for receiving the irrigation line, and an insert separating the first and second areas and confining the irrigation line to the first area. In another embodiment, the tap for making a fluid connection has a flange thereon engaging the exterior of the irrigation line in the clamp. In another embodiment the saddle tee includes a resilient member in the clamp for resiliently engaging an irrigation line in the clamp.

Abstract: A pipe saddle having an elongated band with a radially outward extending hub on one end and a set of teeth extending along a latching member. The hub includes a finger engagement region and an internal tooth for engagement with one of the teeth in a set of teeth on the latching member. A finger engagement region on the latching member allows a user to use one hand to extend the latching member into the hub and to push the latching member into locking engagement in the hub by compressively squeezing on the two finger regions. In order to prevent withdrawal of the latching member from the hub a stop in the hub maintains the teeth in engagement with each other thereby maintaining the band in pressure engagement with a circumferential region of a pipe. Use of multiple teeth permits the pipe saddle to be used on different diameter pipes.