Abstract: A system and method for dispensing and simultaneously metering bulk material from storage bins, silos, rail cars, and other bulk material storage structures is provided. The bulk material metering system is configured to stop the flow of the bulk material on demand. The system is robust and capable of reliably and accurately dispensing and metering bulk materials with minimal maintenance.

Abstract: A fluid control device includes a main body block including a first flow passage, and a second flow passage, a first and second fluid control units installed on an installation surface of the main body block. The first and second flow passages include a first portion extending along a first direction and a second flow passage portion orthogonal to the first direction. The second portion is formed of a hole extending from a side surface of the main body block and a sealing member.

Abstract: A cleaning device including a housing which can be arranged on a feed line for cleaning fluid is disclosed. The housing includes an exit opening for the cleaning fluid, wherein a nozzle head rotatable about a first rotary axis is arranged in the region of the exit opening. A distributing device rotating about a second rotary axis different from the first rotary axis and having at least one blade element or at least one pendulum element is arranged on the rotatable nozzle head. The invention also describes a product-processing plant with at least one cleaning device for cleaning a product tank.

Abstract: An embodiment includes a gate valve comprising: a valve body including a cavity coupled to a channel having proximal and distal portions; a gate to seal and unseal the channel; proximal and distal seats adjacent the gate; wherein (a) the proximal seat traverses towards the gate and stops at a first position when the gate is closing and the proximal channel portion is more highly pressurized than the cavity, and (b) the distal seat slides away from the gate and stops at a second position when the gate is closing and the cavity is more heavily pressurized than the distal channel portion. Other embodiments are described herein.

Abstract: A system and method is provided for the controlled entry of a tubing string, and cable adjacent thereto, into a wellbore. A stationary housing is fit to a wellhead and has a bore in communication with the wellbore. The cable can be laterally displaced from the bore into a cable access formed into the side wall of the stationary housing for fitting a sealing assembly to the bore and engages a sealing surface therein. The sealing assembly seals tubulars passing therethrough. The cable access interrupts the sealing surface. A cable bypass sub is fit to the cable access and permits the cable to extend sealingly from above the sealing surface to the wellbore wherein the cable bypasses the sealing assembly and sealing surface. A seal reconstitutes the interrupted portion of the sealing surface at the cable access.

Abstract: A fluids management apparatus is disclosed herein that enables management of multiple volumes of different fluids when drilling and/or producing oil and/or gas with an oil and gas well drilling platform. The apparatus includes a structural, transportable frame that has upper and lower reservoir sections, each with a plurality of tanks for holding fluid. The upper reservoir section is easily lifted and transported, such as by crane. A docking station on the lower reservoir section is receptive of the upper reservoir section. A piping system enables a selected fluid volume contained in a tank of the upper reservoir section to be selectively transmitted to a selected tank of the lower reservoir section. The lower reservoir section has its own piping system that enables a user to withdraw fluid from any selected one of its tanks.

Abstract: The wastewater treatment system includes a hollow, elongate, horizontally disposed, cylindrical body made from plastic is adapted for water storage and treatment. The cylindrical body includes reinforcement ribs formed by a helically wound steel band embedded in the plastic and extending between opposite open ends of the elongate cylindrical body. A voltage source selectively energizes the steel band. A pair of bulkhead members respectively extends across and covers opposite ends of the cylindrical body. A fluid-tight wall is mounted in the cylindrical body, the first bulkhead member, the fluid-tight wall and the cylindrical body forming a fluid-tight tank defining a liquid storage chamber. The second bulkhead member and the fluid-tight wall define a dry liquid treatment equipment chamber. An inlet pipe extends into the tank for admitting the pretreatment liquid into the tank. An outlet pipe extends from the tank and discharges the treated liquid from the tank.

Abstract: A system for rainwater harvesting utilizes a rain barrel adapted for collecting and storing rainwater runoff gravity-fed from a rooftop through a downspout. A downspout diverter comprises an inlet section, an outlet section, and an elongated connector section interconnecting the inlet section and the outlet section. The inlet section has a first open end adapted for communicating with an end of the downspout and a second open end communicating with an inlet opening formed with the rain barrel. The outlet section of the diverter has a first open end communicating with an outlet (or, overflow) opening formed with the rain barrel and a second open end for directing rainwater outwardly from the rain barrel.

Abstract: A double-walled above-ground storage tank includes a primary tank and a secondary tank, and an interstitial space; an containment chamber formed by a primary chamber wall and a secondary chamber wall, forming a chamber interstitial space therebetween, and an exterior door assembly; and at least one pipe and valve assembly wherein the pipe originates in the tank interior volume and the valve is disposed within the chamber.

Abstract: In various exemplary embodiments described herein, a system and related method to provide airflow management system in a substrate production tool includes a housing to couple the substrate production tool to a fan filter unit to provide filtered air to the housing, a facility connection to couple the substrate production tool to a reduced pressure exhaust mechanism, a substrate transfer section coupled below the housing and in airflow communication with the facility connection, and a substrate process area coupled to the substrate transfer section by one or more substrate transfer slots. A chamber substantially containing the substrate transfer section and the substrate process area is coupled to the housing to receive the filtered air and to the facility connection to provide an exhaust for excess gas flow. The chamber maintains a low pressure in the substrate process area relative to the substrate transfer section.

Abstract: A system for rainwater harvesting includes a rain barrel adapted for collecting and storing rainwater runoff gravity-fed from a rooftop through a downspout. A substantially rigid downspout diverter comprises an inlet section, an overflow section, and an elongated connector section interconnecting the inlet section and the overflow section. The inlet section has a first end adapted for communicating with an end of the downspout and a second end communicating with an inlet opening formed with the rain barrel. The overflow section has a first end communicating with an overflow opening formed with the rain barrel and a second end extending away from the rain barrel.

Abstract: A sampling port includes an elongated flexible support tube having an interior surface bounding a first passageway extending between a first end and an opposing second end, the first passageway being closed at the first end of the support tube and open at the second end of the support tube. An elongated flexible sampling tube has an interior surface bounding a second passageway extending between a first end and an opposing second end, the second passageway being open at the first end of the sampling tube, at least a portion of the sampling tube adjacently extending along the length of the support tube and being connected to the support tube. A flange encircles and radially outwardly projecting from the support tube and the sampling tube at a location spaced apart from the first end of the support tube and the first end of the sampling tube.

Abstract: The present invention provides an underground tank having a vessel assembly and a generally spaced access assembly. That is, the access assembly includes a fuel line, a withdrawal line, and a dome assembly. The fuel line and the withdrawal line have a first end disposed outside the vessel assembly and a second end disposed adjacent to or within the vessel assembly. The first end extends upwardly from the vessel assembly toward the ground surface. The dome assembly is coupled adjacent to the fuel line and withdrawal line first end. As such, the vessel assembly may be buried at any depth as the fuel lines and withdrawal lines may have any length.

Abstract: A fitting for inserting a pig into a pipeline. The fitting comprises a cast body having a first end for connecting to a first end of a pipeline and a second end for connecting to a second end of the pipeline. The cast body further comprises a third end arranged at a predetermined angle to the first and second end of the cast body. A retractable guide within the cast body can be at least partially inserted into a run portion of the cast body for delivery or retrieval of the pig.

Abstract: A fill cover assembly for a liquid fuel storage tank of a road tanker, the assembly comprising: a seat member having a frame, the frame defining a fill aperture, the frame being configured to be fixedly coupled to a base plate of a liquid storage tank, the base plate having a plate aperture formed therein, thereby to form a fluid-tight seal between the seat member and the base plate around said plate aperture; and a fill-cover coupled to the tank and arranged to be moveable with respect to the frame between a closed condition in which a fluid-tight seal is formed between the fill-cover and the frame and an open condition in which fluid may be passed through said fill aperture to fill said storage tank, wherein the assembly is further arranged to allow venting of pressurized fluid from the liquid storage tank in the event that a pressure of the fluid exceeds a prescribed value.

Abstract: A double-walled above-ground storage tank includes a primary tank and a secondary tank, and an interstitial space; an containment chamber formed by a primary chamber wall and a secondary chamber wall, forming a chamber interstitial space therebetween, and an exterior door assembly; and at least one pipe and valve assembly wherein the pipe originates in the tank interior volume and the valve is disposed within the chamber.

Abstract: A system for rainwater harvesting includes a rain barrel adapted for collecting and storing rainwater runoff gravity-fed from a rooftop through a downspout. A substantially rigid downspout diverter comprises an inlet section, an overflow section, and an elongated connector section interconnecting the inlet section and the overflow section. The inlet section has a first end adapted for communicating with an end of the downspout and a second end communicating with an inlet opening formed with the rain barrel. The overflow section has a first end communicating with an overflow opening formed with the rain barrel and a second end extending away from the rain barrel.

Abstract: In various exemplary embodiments described herein, a system and related method to provide airflow management system in a substrate production tool includes a housing to couple the substrate production tool to a fan filter unit to provide filtered air to the housing, a facility connection to couple the substrate production tool to a reduced pressure exhaust mechanism, a substrate transfer section coupled below the housing and in airflow communication with the facility connection, and a substrate process area coupled to the substrate transfer section by one or more substrate transfer slots. A chamber substantially containing the substrate transfer section and the substrate process area is coupled to the housing to receive the filtered air and to the facility connection to provide an exhaust for excess gas flow. The chamber maintains a low pressure in the substrate process area relative to the substrate transfer section.

Abstract: Excess flow valve devices, which are responsive to pressure and flow conditions in a bi-directional system, including structures to restrict flow in one direction through openings of a stopper of an excess flow valve based on balancing forces from at least a spring and a frictional force caused by the flow. Bi-directional system employing at least one pressure delayer responsive to pressure and flow impulses to protect a tank valve of a storage tank or a regulator during a refill phase or a discharge phase.

Abstract: A riser system for use at the access opening of a wastewater treatment tank includes an adaptor ring affixed to the top of the tank, and a mating riser. The adaptor ring and riser have ends with mating circumferential L-shape sections. There are horizontally projecting tabs spaced apart around the upper end of the adaptor. The tabs engage a corresponding number of L-shape slots which are spaced apart around the circumference of the bottom end of the riser. When ring and riser are mated, rotation of the riser relative to the adaptor causes each tab to move circumferentially to a recess in the slot, which locks the tab in position. Micro-ridges on horizontal mating surfaces of the L-shape sections help form a seal between the two parts.

Abstract: A venting device intended for connection to a horizontal sanitary vent pipe, in which vacuum pressure excursions occur providing a need for the introduction of air from the outside of the pipe automatically by way of the device without allowing a reverse flow of the evil air from inside the pipe when pressure within is equalized or risen. The device has three adjacent ends. A first end comprises a cap forming tubular chamber integrally housing therein a suitable valve sealing means substantially covering an air inlet means situated within the chamber. The sealing means is securely closed at equilibrium and against high pressure, whilst automatically opening a vacuum within the pipe to admit air. The first end is adjacent a lower tubular body portion having a second and third end. The second end forms a suitable means for affixing the device to a horizontal vent pipe; whereas the third end terminates to an opening which may normally be closed by way of a removable repeatable access fitting.

Abstract: A cylindrical housing (1) and a body (4) having a shape matching the shape of the housing (1). The body (4) is immobilized, so as to compress the elastically compressible part (3), by a split ring (6) placed in a groove (7) of the cylindrical wall of the housing (1). The shape and dimensions of the ring (6) are selected in such a way that it bears against a peripheral surface of the body (4) in order to prevent it from moving outwards. The ring (6) is locked in the groove (7) by a collar (8) having zones (82) which, by virtue of their shape, prevent the ring (6) from moving out of the groove (7) and bulges (81) interacting with a groove (41) of the body (4) for the fixing by snap-fitting of the collar onto the body.

Abstract: A conversion kit for converting an existing sprinkler system liquid supply line into a general purpose soluble chemical application device is used to apply insecticides or fertilizer. The easily installed kit mixes dry chemicals with an existing pressurized liquid to form and expel appropriate treatment solution. Spent dry chemicals can be easily replaced in a removable canister. Chemicals from conventional bulk packages or specially prepared packets may be used. A safety interlock shutoff valve is provided to prevent pressurization of the system while chemicals are being replaced. A vacuum breaking air vent valve is provided to allow drainage of liquid from the system. All components are enclosed within and supported by a single housing. The housing is preferably molded from a durable plastic material.

Abstract: A plumbing drainage system has a plumbing stack with a clean-out hole formed therein. A drainage device for controlled drainage of the plumbing stack includes a device for connecting the drainage device to a plumbing stack at the clean-out hole formed in the plumbing stack. A shut-off valve is connected downstream of the first connecting device. A second connecting device is connected downstream of the shut-off valve for connection to a drainage hose.

Abstract: A dishwasher with a wash tub (3) connected on the bottom to a collection well (4) into which extends the outlet duct (8) of a discharge pump (6) fitted with a nonreturn valve (11) accessible from the inside of the wash tub. The valve consists of a box-like housing (12) made in one piece with the outlet duct (8) which, in turn, is made in one piece with the well (4). The valve (11) has a flat flexible-membrane plug (18) with a tail (19) hooked to a peg (21) made in one piece with the box-like body (12). A protrusion (22) of the cover (13) for the box-like body (12) is in contact with the peg (21) to block the membrane (18) in position.

Abstract: A valve body having an opening closed by a cover through which may be mounted or demounted a non-return obturator which is mobile along an upstream-downstream axis, the obturator being installed by first securing a first member to the valve body and then securing the obturator and its spring and then securing a second member.

Abstract: A combination valve formed of a valve body having a flow passageway therethrough and an opening in the top communicating with the passageway. A rotating member is received in the body, within the flow passageway, the rotating member having a flow passageway therethrough which is alignable with the passageway in the body and having a top opening therein communicating with the passageway through the rotating member. A checking mechanism is supported within the rotating member and moveable from a closed position blocking the passageway therethrough to an open position. A bonnet removably closes the body top opening.

Abstract: A combination plug and two-way check valve formed of a valve body having a flow passageway therethrough, the body having an opening in the top communicating with the passageway, first and second valve seats in the body, a ball member rotatably received in the body between the seats, the ball having a flow passageway therethrough which is alignable with the passageways in the seats and having a top opening therein communicating with the passageway through the ball, a clapper pivotally supported within the ball and pivotal in a closed position blocking the passageway therethrough in an open position, a bonnet removably closing the body top opening, a stem rotatably received in the bonnet having the inner end connected to the ball, the ball being thereby rotatable to permit the flow of fluid in one direction, the clapper blocking flow of fluid in the opposite direction, and by rotating the ball 180.degree.

Abstract: A backwater escape valve for plumbing systems comprising a cylindrical body adapted to be coupled to a drainpipe system at the opening normally occupied by a sealing plug, and having a vertically disposed outflow opening covered with a hinged, spring-loaded cover which is adapted to be forced open when the associated sewer becomes blocked and water rises in the associated vertical drainpipe to or near the lowest sink or bathtub coupled thereto.

Abstract: Fluid flow diverter apparatus is described for reversing the direction of fluid flow through a process loop, such as a bundle of heat exchange tubes in an air conditioning system. The apparatus utilizes a housing enclosing a rotary valve in which the diverter disk seats in two positions against generally U-shape seating frames that can be repositioned to compensate for erosion or other distortion of the seating surfaces on the frames and disk. The seating frames comprise a plurality of seating bars, each of which is adjustably fastened to the interior of the valve casing by at least one threaded fastener that extends through a transverse slot in the bar and engages the casing. All seating surfaces preferably are coated with a resilient material, such as rubber.

Abstract: A corrugated plastic side wall (A) extends from a bottom area (14) to an apex area (12). A riser (B) extends from the apex area above the ground level. A ring of steel channel (10) is fastened around the apex area to prevent the apex area from becoming distorted when the soil in which the tank is buried becomes water-laden. A tank bottom wall (122) is domed inward to inhibit exterior hydraulic pressure from flexing the bottom inward and from urging the corrugated side walls adjacent the bottom to compress to a smaller diameter in an accordion-like fashion. Downward projecting can (124) and boxes (126) extend from the domed bottom surface to a flat plane to prevent the dome from flexing outward under the weight of sewage and other fluids in the interior of the tank. At least one annular projection (52) extends around an outlet opening (44) to enable a tank wall portion (54) adjacent the outlet opening and outlet tubing (48) to move relative to the remainder of the tank.

Abstract: A tank apparatus is disclosed for holding a reserve supply of coolant for a radiator on construction or industrial vehicles. A dual enclosure of rigid material coacts with a radiator guard on a vehicle to define a tank receiving space of prescribed shape within the radiator guard, with the tank receiving space being open to an aperture formed in the top of the radiator guard. A tank fabricated of sheet rubber is relatively closely received in the tank receiving space so as to be held in all parts against the rigid enclosure. The tank has a mouth which is disposed in register with the aperture in the radiator guard and which is closed by a flat closure member of rigid material. The closure member is detachably fastened to the enclosure and is exposed through the aperture in the radiator guard for the installation of a filler neck with a cap.

Abstract: An improved sewer relief valve which is vandal-proof and automatically opens responsive to a back flow of sewage and drain water within a plumbing system.

Abstract: A device for preventing the back flow of water from a point of use into a water supply line. The device includes a unitary casing having an inlet, a central chamber, an outlet, a removal port and a drain vent opening. The inlet, the central chamber and the outlet are coaxially aligned. A relief valve is located in the central chamber and offset from the coaxial alignment of the inlet, the central chamber and the outlet. There is a cover for the removal port. There is also a pair of check valves. One is mounted between the inlet and the central chamber and the other is mounted between the outlet and the central chamber. The device allows water to pass unobstructed in a straight-through flow path through the device. The back flow of water is prevented.

Abstract: A system and method for repair of leaking storage tanks containing fluids which contaminate ground water has been devised requiring reduced funding which will make it economically feasible for repair of all old tanks suspected of being potential leakers, thereby protecting the public and environment from future severe hazards.All internal appurtenances are removed from the tank before it is gas freed and fitted with a new combination manway and appurtenances access. All tank openings originally utilized by appurtenances are plugged liquid tight except for the tank vent system. A flexible fluid tight containment means is formed to the tank interior shape and contains an opening edge which is assembled as a fluid tight gasket seal between the flange cover of the new access. All internal appurtenances are relocated to extend through the new access.

Abstract: A large, high temperature, cost-effective butterfly valve with provisions for simple internal inspection and repair through a transverse access opening that is substantially smaller than the valve seat opening and which is repairable without necessitating removal of the valve body from the pipeline. A plurality of closure members that span the width of the valve seat opening are positionable in compact manner for removal through the small transverse access opening. A substantially annular seat is defined within the valve by a plurality of seat segments that are disposed in supporting and supported slip joint relation, thus permitting substantial radial expansion and contraction of the valve body without subjecting the valve seat structure to circumferential stresses.

Abstract: A blowout preventer comprises a housing with a pair of opposed rams carrying sealing blocks for sealing against tubing extending through the housing. Openings in the front side of the housing provide access to the sealing blocks for changing the blocks and a door closes the openings during normal in-service use of the preventer. A door guide permits the door to be slid in either of two opposing edgewise directions for exposing the openings one at a time but keeps the door from being movable substantially in a broadwise direction. Sealing inserts disposed within the openings between the door and the sealing blocks serve to seal against leakage and a rack and pinion mechanism provides the means for sliding the door from a centered position closing both openings to opposite edgewise positions exposing one or the other of the openings.

Abstract: A backflow preventer valve including a housing structure having inlet and outlet ports therethrough for attaching to system conduits, a chamber formed in the housing, a pair of spaced valve seats associated with one of the ports including a space formed between the valve seats, a movable valve assembly including a first member hingedly attached to the valve housing structure for movement in the chamber between a closed position adjacent to the valve seats and an open position angularly related to the closed position, the valve assembly having a clapper portion defined by relatively movable inner and outer members, a flexible valve member including first and second portions and separate members for attaching the flexible valve member respectively to the inner and outer clapper members, the first portion of the flexible valve member being engageable with one of the pair of spaced valve seats in the closed position thereof and the second portion being engageable with the other of the pair of valve seats in the c

Abstract: A control valve assembly for controlling fluid flow in a flowline with an onstream seal removal feature, the control valve assembly including a housing to be mounted with the flowline, flow control members mounted with the housing, seal members for preventing unwanted fluid migration between the housing and the flow control members, and access members mounted with the housing for providing access to the seal members while maintaining fluid flow to the housing.

Abstract: A pressure or vacuum relieving device intended as a large capacity inbreathing or outbreathing apparatus for equipment and/or piping, operating under low to moderate gas pressure or vacuum, e.g. 1 to 15 psig pressure or 0-5 psi vacuum. The principal feature is that a required set pressure is provided hydrostatically by means of a liquid leg acting an a bellows expansion joint. The device is suitable for use in Pulp Mill Digester Blow Steam Systems and similar applications.

Abstract: Plug cock equipped with a rotating plug, which comprises a cylindrical body pivoting about an axis perpendicular to the axis of the cylinder and through which passes a conduit for the passage of fluid, which body comprises, at least one of its two axial ends, a portion of sphere; the body of the plug cock according to the invention comprises a side opening, located in a plane parallel to the axis of rotation and to the axis of the conduit, the diameter of which is slightly larger than the diameter of the cylindrical body of the plug.

Abstract: A firecheck to be connected to a combustible gas line and including a casing having a gas inlet, a gas outlet and an access opening. A cover plate removably encloses the access opening and a burner screen is located within the casing between the inlet and the outlet and is disposed in communication with the access opening. A control valve is disposed within the casing for controlling the flow of gas through the casing and is movable between an open position and a closed position. The valve is moved to the open position through a manually operated mechanism and is locked in the open position. On release of the locking mechanism the valve is biased to the closed position. Removal of the cover plate from the casing acts to release the locking mechanism to thereby enable the biasing means to move the valve to the closed position.

Abstract: An improved sewer relief valve which is vandal-proof and automatically opens responsive to a back flow of sewage and drain water within a plumbing system.