Abstract: A managed Pressure Drilling manifold provides accurate back pressure control of a well head when drilling. The MPD system provides two paths for the drilling fluid to flow from the RCD to the flowline. The drilling fluid flows along an MPD path sending the drilling fluids through at least one sensor, preferably three sensors, a flow control device, and a flowmeter. The MPD system also provides a bypass path that isolates the flow control device and flowmeter while direct the drilling fluid from the RCD to the bypass to avoid the flow control device and flowmeter. The MPD system provides three valves that direct the drilling fluid in the bypass path or the MPD path.

Abstract: A covering device includes an elongate wrapping member configured to be wrapped around and overlay an opening in an object in a wrapped condition, a substantially shell-shaped cover member for covering the wrapping member substantially in the wrapped condition, and a retaining arrangement for retaining the cover member and with it, the wrapping member in position relative the object in a covering condition.

Abstract: An apparatus and method for joining pipes includes a plate for melting mating surfaces of the pipes to be joined. Additionally, the apparatus utilizes a vacuum in order to push the first and second pipes together in lieu of hand or mechanical pressure which may be inconsistent. Additionally, the vacuum allows the pipes to be joined to settle on each other in order to create a pressure about a periphery of the end of the pipe being joined to the other pipe. The consistent pressure creates a very strong joint between the first and second pipes.

Abstract: A hand-held sealing device may be used for sealing a tubeless tire on a corresponding wheel rim. The wheel rim may have a valve stem hole to receive a valve stem. The hand-held sealing device may include a device body. The device body may include an air output nozzle, a directed air outlet defined in the air output nozzle, and an air inlet defined in the device body. The air inlet may be fluidly communicated with the directed air outlet. The hand-held sealing device may also include a valve assembly disposed between the directed air outlet and the air inlet. A cable may be slidably disposed in the air output nozzle. The cable may pass through the directed air outlet. A valve stem engagement member may be configured to removably attach to the valve stem. The valve stem engagement member may be connected to the cable.

Abstract: A managed pressure drilling manifold provides accurate back pressure control of a well head when drilling. The MPD system provides two paths for the drilling fluid to flow from the RCD to the flowline. The drilling fluid flows along an MPD path sending the drilling fluids through at least one sensor, preferably three sensors, a flow control device, and a flowmeter. The MPD system also provides a bypass path that isolates the flow control device and flowmeter while direct the drilling fluid from the RCD to the bypass to avoid the flow control device and flowmeter. The MPD system provides three valves that direct the drilling fluid in the bypass path or the MPD path.

Abstract: A backflow prevention assembly is disclosed including a backflow prevention valve having a valve housing including a valve inlet end and a valve outlet end; a spool spacer of predetermined length having a first end and a second end; an inlet shut-off valve; and an outlet shut-off valve, wherein the spool spacer extends between the backflow prevention valve and one of the inlet shut-off valve and the outlet shut-off valve. The entire assembly, including the backflow prevention valve, the spool spacer, the inlet shut-off valve, and the outlet shut-off valve, is a certified assembly, certified by a certifying authority prior to installation. Methods of manufacturing a backflow prevention assembly and replacing a backflow prevention assembly are also disclosed.

Abstract: A sealing device for sealing a leak in a pipe includes an elongate pipe wrapping member which is configured to be wrapped around and overlay a leak in a pipe in a wrapped condition a cover member for covering the pipe wrapping member substantially in the wrapped condition and a retaining arrangement for retaining the cover member and with it, the pipe wrapping member in position relative the pipe in a pipe sealing condition.

Abstract: An exemplary flap arrangement may include a housing and a flap arranged in the housing for regulating an air flow in the housing. The flap may have a flap main body with a front side arranged on an air inflow side in an operating state. The flap arrangement may also include an elastic sealing lip with a sealing surface provided on the flap main body. The flap arrangement may further include a rib arranged in the region of the sealing lip and outside the sealing surface. The rib may project substantially vertically from the front side of the flap main body, and may serve for air flow rate reduction during opening of the flap. The sealing lip and the rib may be formed in one piece.

Abstract: A water sensing assembly includes: a valve box securely mountable on an underground water pipe; a sensor mounted inside the valve box, the sensor configured to sense a property of water within the underground water pipe; a top section connected to the valve box; and an electrical communication device mounted at a top portion of the adjustable top section such that the electrical communication device is positioned at or near the surface of the ground.

Abstract: The invention relates to a repair kit 10, 10? for sealing conveying lines, in particular thick-matter or concrete conveying lines, comprising at least one sealing element 12, 12?, the sealing element 12, 12? being a monolith or a composite component and having a base body 14 and a coating layer. The repair kit is characterized in that the base body 14 is dimenisionally stable and the coating layer has at least two layers, a first layer 16 and a second layer 18, the first layer 16 being arranged between the base body 14 and the second layer 18.

Abstract: A method and system for evaluating the interior surface and exterior wall conditions of a pipeline while also dynamically installing a repair coating in a pipeline, such as an underground water pipeline. The system is towed into the pipeline and drawn back therethrough. As the system is drawn back, one module in the system evaluates the surface condition of the interior of the pipe and another module evaluates the structural condition of the wall of the pipe. Based on the evaluation data obtained from the two modules an epoxy material is applied to the interior surface of the pipe using a spin cast machine that is drawn behind the two modules. Preferably, a layer of epoxy is applied to the interior surface of the host pipe to the appropriate thickness based on the pipe condition as determined by the two modules.

Abstract: A pipe clamp assembly includes a band having an inner annular seal element wrappable around a pipe, opposing clamp members extending from the band, and tightening elements for clamping together the clamp members. The tightening elements are positioned at or near opposite ends of each of the clamp members. A stiffening element is constructed of an elongate beam with mounting holes near opposite ends of the beam. The tightening elements pass through the mounting holes of the stiffening element. There are no tightening elements along a length of the stiffening element between the mounting holes.

Abstract: The invention concerns a process and a device for laying a subsea pipeline according to the J-lay or S-lay method wherein straight sections are mounted onshore, dried and degassed then closed by plugs. The sections are loaded on a pipe-laying ship, are separated from their plugs before the welding. At the welding of each bulkhead a short pumping is operated to reduce the pressure in the part of the annulus located between the two last bulkheads and then the opening leading to the annulus are sealed.

Abstract: A gate valve assembly is disclosed that may be installed in a pressurized pipe or conduit. The gate valve assembly includes a nozzle that is connected perpendicularly to the pipe. The nozzle includes a distal end, a proximal end and a through passage extending therebetween. The through passage includes a proximal portion with a circular cross-sectional profile for sealingly engaging a wiper seal disposed on a valve cartridge. The passage also includes a distal portion with a non-circular cross-sectional profile that complements a non-circular cross-sectional profile of the cartridge. The non-circular cross-sectional profiles of the cartridge and passage prevent the cartridge from twisting or rotating within the nozzle or pipe. The proximal end of the nozzle also features an inner lip, which facilitates the welding of the proximal end of the nozzle to an upper saddle member, which is used to clamp the nozzle to the pipe prior to cutting or pressure tapping of the pipe.

Abstract: Disclosed herein is a fluid collecting apparatus. The apparatus comprises a body disposed adjacent to fluid conveying or storing equipment to limit a moving path of fluid leaked from the equipment, a collector connected to the body to collect the leaked fluid, and a controller connected to the body to control an operation of the collector. The fluid collecting apparatus is capable of safely collecting fluid, for example, harmful gas leaked from fluid conveying or storing equipment.

Abstract: The present invention provides a structure for clamping a built-in component in a hollow container, the container being formed by clamp molding using a pair of a first mold piece and a second mold piece, the first mold piece being for forming a first half of the container, the second mold piece being for forming a second half of the container, the structure comprising: a first support member secured to an inner wall surface of the first half of the container and having a first connection portion and a first clamp portion; a second support member secured to an inner wall surface of the second half of the container having a second connection portion and a second clamp portion, wherein the built-in component is clamped between the first support member and the second support member with the first connection portion and the second connection portion coupled to each other.

Abstract: Automated systems and methods remove water from a fuel cell powered vehicle and eliminate the need for one or more separate steps to discharge the water. The water may be simultaneously drained or discharged from the vehicle holding tank while the fuel cell powered vehicle is being refueled.

Abstract: A method of isolating a section of pipe includes the steps of locating a seal unit having two seal elements in a pipe via a penetration in the pipe, such as a branch or tee. The seal unit is then positioned in the pipe downstream of the penetration. The seal elements are activated using a primary activation mechanism to engage the pipe wall and then maintained in an activated condition using a secondary activation mechanism.

Abstract: An aircraft auxiliary fuel tank system comprising a master tank and a plurality of slave tanks connectable to the master tank. The slave tanks can be easily added or removed to adjust fuel capacity. A rail assembly is provided to assist in the easy installation and removal of the slave and master fuel tanks. Methods are provided for using the auxiliary fuel tanks system and for providing a service for slave tank distribution, reservation and installation.

Abstract: A backflow prevention assembly is disclosed including a backflow prevention valve having a valve housing including a valve inlet end and a valve outlet end; a spool spacer of predetermined length having a first end and a second end; an inlet shut-off valve; and an outlet shut-off valve, wherein the spool spacer extends between the backflow prevention valve and one of the inlet shut-off valve and the outlet shut-off valve. The entire assembly, including the backflow prevention valve, the spool spacer, the inlet shut-off valve, and the outlet shut-off valve, is a certified assembly, certified by a certifying authority prior to installation. Methods of manufacturing a backflow prevention assembly and replacing a backflow prevention assembly are also disclosed.

Abstract: A valve body for an irrigation system is disclosed. The valve body is formed as a unitary moulding and comprises a manifold arrangement integrally formed in the valve body and includes an inlet and at least one outlet. The manifold arrangement includes a valve receiving region located between the inlet and each outlet where each valve receiving region is operable to receive a valve to selectively control the flow of liquid between the inlet and each respective outlet of the manifold arrangement.

Abstract: Apparatus for stopping fluid flow when liquid is present in the fluid flow. The apparatus generally includes two parts, an internal structure with a float valve, and an external tank. The internal structure includes a plurality of fluid entry holes positioned, sized, and numbered relative to a drain hole. The design is generally thread less, and the preferred process used for making the apparatus includes welding and promotes the conservation of materials.

Abstract: A compression system and method of manufacturing a compression system are provided. The compression system includes a compressor, and a tank rotatably coupled with the compressor and configured to receive a compressed fluid therefrom. The compression system further includes a sheave configured to receive a hose, with the sheave being coupled with the tank such that the sheave and the tank are rotationally fixed relative to one another and rotatable with respect to the compressor.

Abstract: An apparatus includes a housing, a passageway, a pressure release mechanism, and at least one seal. The housing includes a longitudinal axis. The passageway extends through the housing and along the longitudinal axis and has a first end and a second end. The first end is configured to be threadably coupled and to be in fluid communication with a Presta valve of a tire. The second end is configured to be in fluid communication with a hose. The pressure release mechanism communicates with the passageway. The seal communicates with the pressure release mechanism and seals the pressure release mechanism and the passageway.

Abstract: Methods and systems for duct protection of a vehicle are provided. The methods and systems provided include an apparatus for directing flow discharged from a facture in a duct. The apparatus includes a ballistic containment layer, an air containment layer substantially surrounding the ballistic containment layer, and a vent defined in the ballistic containment layer and the air containment layer. The vent is configured to direct a flow discharged from the duct fracture.

Abstract: Gas lift plungers and methods are provided. The gas lift plunger includes a body including a first end, a second end, a valve seat extending from the first end, and a bore extending between the valve seat and the second end. The gas lift plunger also includes a valve element configured to be received through the bore. The valve element includes a first end, a second end, and a valve-engaging portion extending radially outward from a main portion of the valve element. The valve element is movable in the bore between an open position and a closed position. In the closed position, the valve-engaging portion engages the valve seat, and the valve element extends through the second end of the. Further, in the open position, the valve-engaging portion is separated from the valve seat, allowing fluid communication through the bore.

Abstract: A device and method for preventing the backflow of undesirable gases from being drawn up through a drain line into a room. The device is particularly useful in applications where liquid flow into the drain is infrequent, resulting in little or no liquid left standing in the P-trap to serve as a gas barrier. When installed the device prevents the unwanted backflow of sewer gases into the room above. However, if water or a similar liquid is introduced into the drain line, the device dissolves, thereby allowing the liquid to pass down the drain line.

Abstract: A drain valve allows for drainage of fluids while preventing backflow of gases from a drainage system through the drain valve. A drain valve can have a first, sealed position in which a component of the valve seals an opening through the valve and a second, open position in which the component of the valve is separated from the opening to allow a fluid to drain through the valve. When the fluid has drained through, the component of the valve can return to the closed position. The valve can include a pressure relief conduit to help equalize pressure across the valve and permit unrestrained draining of fluid through the valve.

Abstract: Plumbing outlet boxes, such as for connecting washing machines, ice makers, and other plumbed appliances to plumbing systems, are provided that increase the energy efficiency of a building thermal envelope. In particular, plumbing outlet boxes are described that include a continuous flange and a compressible seal contacting the flange. The plumbing outlet boxes are designed to be mounted within a cutout in a drywall panel such that, when a faceplate is engaged with the housing, the seal creates a sealing effect between the plumbing outlet box and the wall, thereby maximizing the energy efficiency of the installation by reducing the air leakage between the interior side of the wall and the exterior side of the wall.

Abstract: Valve removal tool and method for removing older corporation valves/valves from pressurized lines such as water mains without depressurization. The removal tool is temporarily fastened to a saddle around the water main and includes a valve through which a tool may be inserted to grasp and unscrew the old valve and withdraw the old valve through the valve in the tool. The tool also allows placement of a plug in the opening in the water main left by the removal of the tool. Typically a cap is placed over the opening in the saddle to provide a final seal in the event the plug leaks or is somehow dislodged.

Abstract: An apparatus including flexible tube having a first opening at a first end, an opposing second opening at a second end, and a body portion between the first end and the second end. The body portion of the flexible tube may have an inner cavity and a plurality of further openings leading out from the inner cavity. The apparatus may include a first connector, configured to be connected to a water source. The apparatus may further include a non-porous first outer member, having a first opening at a first end, an opposing second opening at a second end, and a body portion between the first end of the first outer member and the second end of the first outer member. The first outer member may substantially surround a portion of the flexible tube to block a first set of the plurality of further openings to inhibit liquid flow.

Abstract: A method for reducing a release of environmental contaminants through a thief hatch is described. The method involves a step of securing a drainage conduit to a storage tank to divert environmental contaminants from a top of a storage tank to a contaminant capture area below. A further step involves positioning a riser on the drainage conduit toward the top of the storage tank. A final step involves mounting a thief hatch at a remote end of the riser.

Abstract: A digester tank has a servicing device that allows access to the interior of the digester tank. The sealing device may have a movable retention wall adapted to resist the pressure of the gas inside the digester by one or more of a) increasing the bending resistance of the retention wall, for example by inflating pockets in the wall, b) forcing the lower edge of the retention wall downwards, for example by weight, a mechanical arm or inflating pockets, and c) providing a mechanical structure within the retention wall, for example a non-moving cage-like structure. A sealing device with a fixed wall has a pipe with an isolation valve between the headspace of the tank and the inside of the sealing device. In operation, a seal may be formed across the separation curtain by raising the level of the liquid contents and closing the isolation valve.

Abstract: A ram shaft assembly is provided. In one embodiment, a system includes a ram actuation assembly of a blowout preventer. The ram actuation assembly can include a ram shaft, one or more mounting members positioned about the ram shaft, and a piston mounted on the one or more mounting members. Additional systems, devices, and methods are also disclosed.

Abstract: A system for detecting a valve replacement element including a flush valve including a fluid inlet, a fluid outlet, and a main valve element adapted for movement between a first position in which the fluid inlet and the fluid outlet are in fluid isolation, and a second position in which the fluid inlet and the fluid outlet are in fluid communication is disclosed. The main valve element includes a replaceable portion. The system also includes a sensor for monitoring usage of the replaceable portion of the main valve element, and an indicator in communication with the sensor for alerting an operator when the replaceable portion of the main valve element should be replaced.

Abstract: A dense phase pump has two housings that are attached together using a single releasable fastener. The fastener can be released to allow the two housings to be separated thereby providing access to replaceable components. The replaceable components may include one or more pinch valves or one or more barrier elements. A pinch valve for a dense phase pump has a shape or profile for aligning the pinch valve when the pinch valve is installed in a pinch valve body. The pinch valve optionally has two end flanges, with each end flange having a shaped periphery. The two end flanges may have the same size and shape so that the pinch valve can be installed in either of two orientations that are inverse. A dense phase pump has a pump chamber that can be purged by purge gas that enters the pump off-axis from a purge path axis.

Abstract: Self-draining ullage fuel tank system and related methods are described. An example fuel tank apparatus includes a fuel tank and a ullage tank positioned at an elevation relative to the fuel tank. The example fuel tank apparatus also includes a fluid path to fluidly couple a cavity of the fuel tank and a cavity of the ullage tank. The fluid path having a first end coupled to the cavity of the fuel tank. The fluid path having a second end extending through an opening of an upper wall of the ullage tank and having an opening positioned adjacent a bottom surface of the cavity of the ullage tank.

Abstract: A wave generation component during an off cycle when the on-off valve is closed to build pressure from the process gas in an accumulation volume. During an on cycle when the on-off valve is open the wave generation component releases the process gas according to a time constant. A flow restrictor installed downstream in a throat of the on-off valve, outputs the rapid square waves to the conduit at a predefined magnitude. The flow restrictor is selected to have an impedance that is high enough to significantly raise the time constant during the on cycle such that pressure decay in each square wave pulse over the on cycle decreases to within a tolerance, wherein the time constant is at least in part a function of the flow restrictor impedance.

Abstract: A water monitor includes a stationary portion having a fluid inlet. A movable portion has a first piece rotatably coupled to the stationary portion and a second piece rotatably coupled to the first piece. The first piece has a first sleeve and an opposing second sleeve configured to rotatably couple to the second piece. The second piece has an inlet portion and a fluid outlet. The inlet portion includes a fluid opening and is configured to extend through the first sleeve and the second sleeve. A fluid flow path extends between the fluid inlet and the fluid outlet and is configured to communicate fluids from the fluid inlet to the fluid outlet. A power transmission is coupled to the inlet portion adjacent the first sleeve and the fluid flow path bypasses the power transmission. The movable portion is rotatable with respect to the stationary portion to position the fluid outlet.

Abstract: An apparatus for fluid flow control, including flow stoppage, in a pipe having a saddle fitting with an axially extending outer launch tube and a coaxially aligned inner launch tube longitudinally split into two inner launch tube halves disposed within the axially extending outer launch tube. At least one inflatable flow stopper bag is disposed within the inner launch tube for stopping flow of a fluid through the pipe with which the saddle fitting is connected. An inner launch tube control rod for manipulating each of the inner launch tube halves during the inflatable stopper insertion and removal processes is connected with each of the inner launch tube halves, and a flow stopper bag control rod for manipulating the inflatable flow stoppers is connected with each of the inflatable flow stopper bags.

Abstract: An eductor for conveying materials includes a body defining a first end and a second end and having a first inlet proximate the first end and a body outlet proximate the second end, the body defining a second inlet positioned between the first inlet and the body outlet, and the body defining an interior area. The eductor includes one or more inserts disposed within the body. The insert or inserts are manufactured from an abrasion resistant material.

Abstract: A cartridge for a one-way valve, having the shape of an elongated body comprising a first portion, which supports the one-way valve and by means of which it enters a delivery duct, and a second portion, from which a grip portion for the extraction of the cartridge protrudes and remains outside the delivery duct.

Abstract: A low mass draw and return tube assembly, for use in fuel tanks, is disclosed.

Abstract: A fitting for connecting a hose to ports of a water filter bypass valve, the hose having an inner diameter less than that of the ports. The fitting includes a unitary base member, a second end connector, and first and second washers. The base member includes a first end connector securable to either of the ports, a neck having a truncated cone shaped inner wall, and a second end having a first outer diameter with a disk shaped flange extending outwardly to a second outer diameter greater than the first outer diameter. The second end connector has a radially inwardly extending flange disposed around the base member second end with and inner diameter greater than the first outer diameter and less than the second outer diameter of the base member second end. The first and second washers are in the first and second end connectors, respectively.

Abstract: A pipe jack including a sprocket head having radial projections, a hydraulic jack having a ram plunger at a top end and a base at a bottom end, a base plate and a roller chain sized to engage with the radial projections in various embodiments. In one embodiment, arc sprockets are provided in parallel on the sprocket head with each sprocket having a chord, connecting the arc ends, defining a flat surface across the arc sprocket. The chain engages with the arc sprockets and are adjacent and axially offset. The sprocket head having a support plate with a top and bottom surface, the top surface fixedly engaged with the arc sprockets. A receiving tube can be axially centered on and fixedly engaged with the support plate bottom surface. The pipe jack can be used to lift and position a half sole repair sleeve along a pipe to be repaired.

Abstract: The invention relates to a process comprising: (a) preparing a curable epoxy-anhydride thermoset composition; and (b) applying said curable epoxy-anhydride thermoset composition in a cured-in-place pipe rehabilitation process is disclosed. The cured-in-place pipe application utilized can generally be the ‘Inversion Installation Method,’ or the ‘Pull-in Installation Method’. The invention also relates to a cured-in-place pipe that is prepared by this process.

Abstract: In one featured embodiment, a sleeve for a valve includes a sleeve body surrounding a center axis and defined by an overall length extending from a first end to a second end. The sleeve body has a central bore extending from the first end to the second end. The central bore has a first surface portion comprising a piston contact surface that is defined by a first inner diameter, wherein the piston contact surface is configured to slide against a piston to be received within the central bore. In one example, a ratio of the overall length to the first inner diameter is between 3.51 and 3.63.

Abstract: A gas diversion device includes a compression coupling having a gasket disposed therein, and a first straight pipe section coupled to the compression coupling. The device further includes a Y-pipe coupled to the first straight pipe section and an electrically conductive pipe. The device further includes a threaded cap having a hole therethrough. The compression coupling is placed over an open end of a broken gas pipe service riser and the first straight pipe section receives a portion of the gas pipe service riser therein. The threaded cap receives an expansion plug tool through the first hole, and the Y-pipe and the first straight pipe slideably receive a portion of the expansion plug tool therein. The expansion plug tool further includes an expansion plug coupled thereto to facilitate positioning of the expansion plug within the open end of the gas pipe service riser.

Abstract: Disclosed is an apparatus for sealing and severing a subsea pipe adapted to convey fluids, e.g., hydrocarbons, and systems and methods using such apparatus. The apparatus includes a housing adapted to attach to the pipe, a piercing tool for providing an opening in the pipe at a predetermined location and a mechanism for establishing fluid communication between a source of sealant material and space within the pipe adjacent the opening in the pipe, and a cutting mechanism for cutting the pipe. Methods disclosed include piercing the pipe to form an opening, injecting sealant material through the opening into the pipe to form a fluid-tight seal, and cutting the pipe through the seal to form sealed cut ends.

Abstract: A first sealing body and a second sealing body made of a resiliently expandable material, such as Kevlar-reinforced rubber, are connected by an intermediate piece that, having a larger wall thickness, is made of the same material, and is flexible, thereby providing the device excellent ability to pass through pipe bends. Together they surround a contiguous cavity into which pressurised air can be introduced via a pressurised air connection disposed on an end plate at a rear end of the device, to expand the diameters of the sealing bodies whereupon the latter tightly close off a test space in a pipe connection. A material feeding connection is connected to a discharge opening in a threaded bushing connecting the intermediate piece to the second sealing body, and a cable connection is connected to a camera facing to the outside that is attached to the bushing.