Abstract: A protection apparatus detects and reduces overpressure in a fluid pipeline. First and second pipeline valves are connected in series along the pipeline and are independently switchable between open and closed positions. A pressure transducer determines the fluid pressure in the pipeline at a point intermediate the first and second pipeline valves. A bypass line has a first end connected to the pipeline between the input end and the first pipeline valve and a second end connected to the pipeline between the first and second pipeline valves. A bypass valve is connected along the bypass line. A vent line is connected to the bypass line between the bypass valve and the second end of the bypass line. A vent valve is connected along the vent line.

Abstract: A controllable pressure reducing valve has a housing which includes an inner chamber extending in the direction of a longitudinal axis and an inlet opening and an outlet opening. The inlet opening and the outlet opening open into the inner chamber at an axial relative distance. The inner chamber includes between the mouths of the inlet opening and the outlet opening at least one annular wall having a cylindrical valve bore. An axially movable valve body which is arranged in the inner chamber, extends through the valve bore and has a piston-type portion guided in the valve bore and adapted to close the valve bore. The piston-type portion includes at least one control recess bounded by a control step which extends in axial direction and in circumferential direction and combines with an edge of the valve bore to form a controllable valve opening.

Abstract: A control module for a multi-nozzle shower has a body, a control panel and a controlling assembly. The body is mounted securely in the shower and defines at least one chamber having valve seats, at least one inlet and multiple outlets respectively communicating with the nozzles. The control panel is mounted securely on the body and seals the at least one chamber. The controlling assembly is mounted in the control panel and has multiple valve disks and buttons. The valve disks selectively block the valve seats to stop water flow. The buttons connected to the valve disks and are arranged on the control panel and selectively actuate the valve disks to block the valve seats. Thereby, people can conveniently control water discharged from different nozzles or showerheads of the shower.

Abstract: A control stop for a flush valve for a urinal or toilet fixture includes a housing defining a flow chamber divided by a valve seat into inlet and outlet sections. A valve structure is biased toward the valve seat by a spring applying a valve closing spring force. The housing is sealed by a diaphragm, and the diaphragm covers the movable valve structure, isolating it from water flowing through the housing. The diaphragm does not impede valve structure movement, and the closing spring force establishes a threshold water supply pressure for opening the control stop during increasing pressure following a no or low supply pressure condition. A plurality of control stops may supply a bank of flush valves and fixtures, and open in a cascading sequence during increasing pressure as a result of having springs with different closing spring forces.

Abstract: A valve body has a channel extending along an axis and an inlet port open to the channel. A sleeve, received about the valve body, overlies the inlet port and is rotatable about the axis relative the body. A nozzle projects radially outward from the sleeve. The nozzle is rotatable with the sleeve into a range of positions in which the nozzle communicates with the inlet port through the sleeve.

Abstract: Valve assemblies are provided that have a selection member engaged with a housing to provide control of fluid communication between first and second fluid pathways. Positioning the selection member within a selection cavity of the housing provides fluid communication with a corresponding fluid pathway. An optional locking member can engage the valve assembly to prevent fluid communication with at least one fluid pathway.

Abstract: A high integrity protection system (HIPS) for protection of a pipe downstream of a wellhead includes an inlet connected to the wellhead; outlet connected to the downstream pipe; two sets of two series-connected surface safety valves (SSVs) in fluid communication with the inlet and outlet, the sets being in parallel fluid flow relation to each other, either one or both of the sets of SSVs operable as a flowpath for fluids entering the inlet and passing through the outlet to the downstream pipe; two vent control valves (VCVs), each connected to piping intermediate one set of series-connected SSVs, the VCVs being in fluid communication with a vent line, whereby, upon opening of a VCV, process pressure between the two SSVs is vented; a signal-generating safety logic solver, in accordance with preprogrammed safety and operational protocols; and pressure sensing transmitters attached to piping upstream of the HIPS outlet.

Abstract: A system (100) for supplying an inert purge gas to a pumping arrangement (106) includes a plurality of flexible capillary tubes (102) each for conveying the gas from a respective outlet of a manifold (12) to a respective port (104) of the pumping arrangement (106). The internal diameter and length of each tube (102) control the gas flow rate to the respective port (104).

Abstract: A nozzle apparatus for an agricultural crop sprayer, the apparatus having a control element adjustable using ah external power source for controlling the flow of a spray liquid from a spray line through at least one channel of the nozzle apparatus. Once the control element has been moved to a control position, the position is maintained without further need for external power. The control element may be a ball valve movable to simultaneously select two or more nozzle connections and also to vary flow through the selected nozzle connections.

Abstract: A switching mechanism for a multi-function shower head is mounted inside of a shower head body and coordinates with a water pressure relief valve, including a curbing ring, a dividing disk, an under-driving gear set, an impeller, a transferring stand, a drawbar, a blocking and a top cap; with the transferring stand disposed on the top, and an outlet and a diagonal outlet at bottom of the shower head body; the top cap possesses a joint port; the drawbar is inserted into the tubing, and a restoring spring is set between said end cover and the outside end of the drawbar; a thimble is placed inside of the drawbar.

Abstract: A gas circuit with a pilot light system for ranges includes pilot tubes from a gas manifold to burner assemblies. Quick connect couplings are provided between the pilot tubes and manifold so that the pilot tube can be removed easily. Two or more tubes can be connected to a single coupling. A master shutoff interrupts flow to the cooktop without interrupting flow to the oven.

Abstract: A manifold device for a multi-jet pool fixture includes a central chamber having a jet interface surface. An inlet in fluid communication with the central chamber allows fluid to flow into the central chamber and out a plurality of openings disposed in the jet interface surface. An outlet in fluid communication with the central chamber allows water to flow out of the central chamber.

Abstract: A grey water disposal system which is ideally placed below a parking lot. Water flow chambers are positioned beneath said parking lot. These water flow chambers having a solid upper surface and open at the bottom. Pipes communicating grey water into said water flow chambers. In one embodiment, the water flow chambers are configured with at least two legs and the pipes are configured to selectively deliver the grey water to different legs as dictated by a remotely controlled valve.

Abstract: A gas cabinet including an enclosure containing at least one gas supply vessel and flow circuitry coupled to the gas supply vessel(s). The flow circuitry is constructed and arranged to flow dispensed gas from an on-stream gas supply vessel to multiple sticks of the flow circuitry, with each of the multiple sticks being joined in gas flow communication to a respective gas-utilizing process unit. The flow circuitry is valved to enable sections of the flow circuitry associated with respective ones of the multiple sticks to be isolated from other sections of the flow circuitry, so that process gas can be flowed to one or more of the sticks, while other sticks are being evacuated and purged, or otherwise are closed to dispensed gas flow therethrough.

Abstract: A fluid isolation valve having a valve body with a first fluid flow port, a second fluid flow port and a fluid drain port with a valve in the fluid drain port. The valve body also defines a fluid flow channel, a drain flow channel and a valve portion, wherein the valve portion is disposed in the valve body to be communicated with the first fluid flow port, the second fluid flow port and the fluid drain port A flow diversion device is also provided and is disposed within the valve portion. The flow diversion device is configurable between a first configuration and a second configuration, such that when the flow diversion device is in the first configuration the first fluid flow port is communicated with the second fluid flow port Consequently, when the flow diversion device is in the second configuration the first fluid flow port is communicated with the fluid drain port. The fluid flow can be decrease or stop by use of the valve within the fluid drain port.

Abstract: Dome-loaded pressure regulators are disclosed. An example pressure regulator includes body having a pressure inlet and a pressure outlet. A piston is disposed in the body and fluidly coupled to the pressure inlet, the pressure outlet, and the pressure control inlet. The piston is configured to contact a valve seat and to control the flow of fluid from the pressure inlet to the pressure outlet in response to a pressure applied to a surface of the piston via the pressure control inlet.

Abstract: A sanitary diaphragm valve has a valve body formed of an upper plate and a lower plate, with a flexible resilient diaphragm and a spacer between them. The margin of the diaphragm rests on a peripheral step formed in the lower plate to create a positive space between the lower plate and the edges of the diaphragm. A piston within a cylinder in the upper plate can descend to compress the diaphragm against a valve port to close the valve. The pressure of the liquid product can raise the diaphragm and the piston when control pressure is relieved from the piston.

Abstract: A valve is provided including a first valve member and a second valve member. The first valve member includes a first step and a first orifice adjacent the first step. The second valve member includes a second step and a second orifice adjacent the second step. The second valve member is movable relative to the first valve member between an open position, in which the first orifice is fluidly connected the second orifice, and a closed position, in which the first orifice is substantially fluidly disconnected from the second orifice. The first and second steps are fluidly connected to the second orifice and substantially fluidly disconnected from the first orifice when the second valve member is in the closed position, and the first and second steps are fluidly connected to the first and second orifices when the second valve member is in the open position.

Abstract: A valve of a gas stove includes a valve member and a first sealing member. The valve member is an integral body having a left tube, a right tube, and a connection tube between the left tube and the right tube in a single member. The valve member further has a gas channel therein extended from the left tube, the connection tube to the right tube in sequence and a first bore on the left tube to be communicated with the gas channel. The connection tube has an inlet to be connected to an external gas supply. The first sealing member may be moved to seal the first bore of the gas channel. The present invention has many advantages including strong structure, high precision, and easy for fabrication and assembly.

Abstract: A valve body has a channel extending along an axis and an inlet port open to the channel. A sleeve, received about the valve body, overlies the inlet port and is rotatable about the axis relative the body. A nozzle projects radially outward from the sleeve. The nozzle is rotatable with the sleeve into a range of positions in which the nozzle communicates with the inlet port through the sleeve.

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 system and apparatus for reducing contaminants of physical components (e.g., semiconductor device fabrication equipment components), featuring a manifold having a passageway in fluid communication with a plurality of inlets and for providing a purge fluid to removably connected components to undergo contaminant reduction. The inlets are coupled to a plurality of manifold valves to which components are removably connected. The manifold valves are operable to place connected components into and out of fluid communication with the inlets and the passageway. A fluid source supplies purge fluid to the manifold and a pump is connected to the manifold to remove fluid from the system. In one embodiment an oven is connected to the system for outgassing and for reduction of moisture in additional components.

Abstract: A valve block disposed adjacent a tool attachment of a working machine, where the tool attachment is adapted for connection to different types of hydraulically maneuvered tools or implements with the aid of a hydraulically actuated locking device. The valve block includes first port means, second port means, and third port means for connecting hydraulic lines of the working machine to hydraulic coupling elements and to the locking device respectively. The valve block includes a line system and valve means which communicate with the port means so as to fulfill at least three of the following five functions: ensuring the presence of pressure in the locking device in the event of a fracture in the hydraulic lines of the working machine; ensuring connection of the first port means with either the second port means or the third port means to obtain post-tensioning of the locking device to relieve the pressure load; and to provide pressure limitation.

Abstract: A system for treating wastewater having a treatment bed of particulate material, inflow distributing plumbing for applying wastewater from a wastewater supply source to upper part of the treatment bed. The wastewater percolates downwardly through the particulate material and is collected by outflow plumbing and conveyed out of the treatment bed. Preferably, the particulate material in the treatment bed is suitable for supporting aquatic plant life.

Abstract: A semi-flexible tube is captured between a valve body and a connection device wherein at least one of the valve body and the connection device is connected structurally to a range instead of relying on the manifold tube as the location mechanism for precisely locating the valve at a desired location on the range.

Abstract: A testing chip includes (1) a first chip having a micro flow path that stores reagent; upstream-side opening provided on upstream-side of the micro flow path; downstream-side opening provided on downstream-side of the micro flow path; and one or more sealing members in a small thickness stuck to at least one surface of the first chip to seal the upstream-side opening and the downstream-side opening until the testing chip is used and (2) a second chip having a micro flow path for mixing and reaction between reagent and a specimen and detecting the reaction; and an opening provided on upstream-side of the micro flow path, wherein, when the testing chip is used, the first and second chips are superimposed on each other so that the downstream-side opening of the first chip and the opening of the second chip are positioned on each other.

Abstract: Valve arrangements for use with a tankless water heater include a housing with at least first, second and third ports with a valve member provided within the first port. A valve member is provided for the second port. A cold water valve arrangement may include a strainer provided at the second port and a check valve provided at the first port. The valve arrangement may be used with various pipe connectors including a push pr push-fit connection for the first port.

Abstract: A liquid distribution unit for use between a container of a liquid and an apparatus supplied with said liquid, said liquid distribution unit includes a hollow body, a single inlet port provided in the hollow body for connection to the container, the hollow body being supplied with the liquid from the container via the single inlet port, and two or more outlet ports provided in the hollow body for feeding the liquid out from the hollow body.

Abstract: A gas cabinet including an enclosure containing at least one gas supply vessel and flow circuitry coupled to the gas supply vessel(s). The flow circuitry is constructed and arranged to flow dispensed gas from an on-stream gas supply vessel to multiple sticks of the flow circuitry, with each of the multiple sticks being joined in gas flow communication to a respective gas-utilizing process unit. The flow circuitry is valved to enable sections of the flow circuitry associated with respective ones of the multiple sticks to be isolated from other sections of the flow circuitry, so that process gas can be flowed to one or more of the sticks, while other sticks are being evacuated and purged, or otherwise are closed to dispensed gas flow therethrough.

Abstract: The invention concerns a valve arrangement for external operation including: a feed opening, a delivery opening, a connecting passage which connects the feed opening to the delivery opening, a first valve which is adapted to enable the fluid connection through the connecting passage in a first functional position and to close same in a second functional position, and an actuating device for actuating the first valve. Valve arrangements of that kind suffer from the disadvantage that they are not suitable for frost-resistant operation as freezing water can damage parts of the valve arrangement. That disadvantage is overcome by the invention insofar as there is provided a second valve which is closed in the first and second functional position and which co-operates with a drain opening which is so connected to the connecting passage that in a third functional position in which the first valve is closed and the second valve is opened the liquid in the connecting passage can flow away through the drain opening.

Abstract: A gas valve assembly for a barbecue is provided. The assembly includes a distributor that has a gas inlet conduit and a diversion conduit connected to the inlet conduit, the diversion conduit having branches through which the inlet gas is distributed, and control valves adapted for their connection to a burner, each control valve having a main body and a connection conduit extending therefrom. The connection conduit of each control valve is partially housed inside a respective branch of the diversion conduit. Retainers that are independent to the connection conduit and the distributor pass through grooves or holes in the respective branches and connection conduits to affix, or to ensure fixation, of the valves to the distributor.

Abstract: A gas valve assembly for a barbecue is provided. The assembly includes a distributor that has a gas inlet conduit and a diversion conduit connected to the inlet conduit, the diversion conduit comprising branches through which a gas is distributed and including at least one branch, an internally threaded first part and a substantially conic frustrum second part, and a control valve adapted for connection to a burner, the control valve comprising a main body and a connection conduit which is fixed to the at least one branch of the diversion conduit, wherein the connection conduit has a cylindrical externally threaded first segment and a substantially conic frustrum second segment. The first segment is threaded in the first part, and the second segment is compressed when it moves along the second part until the control valve is correctly positioned in relation to the distributor thanks to grooves disposed axially on the surface of the second segment.

Abstract: A faucet adapter including an inlet assembly that includes a connecting portion configured for connection to a fluid source. A handle remote from the connecting portion is operably connected thereto such that actuation of the handle results in actuation of the connecting portion, independent of a fluid flow through the adapter.

Abstract: Air header/manifolds for industrial air filters, sometimes referred to as bag houses, are formed by extrusion and provided with flat mounting and sealing surfaces for accommodating staggered and offset rows of valves secured to the mounting surface and provided with blow pipes extending from the valves through the manifold and through the lower sealing surface.

Abstract: A service valve for a refrigerant system comprising a valve body and a system port. The valve body has at least one fluid passage integrated therein including a longitudinal bore. An orifice is located at one end of the bore. An annular protrusion axially extends from the valve body and is symmetrical about the orifice. A valve seat generally surrounds the orifice. The system port includes a valve stem having a first end, a second end, and a bore integrated within. The stem is axially movable within the annular protrusion between at least a first position in which the orifice is closed when the valve stem first end sealingly abuts the valve seat and a second position in which the orifice is open when the valve stem first end is offset from the valve seat. The valve stem is restricted from moving further away from the valve body by the annular protrusion.

Abstract: Provided is a relative pressure control system has a simple configuration, but enables accurate regulation of a division ratio of an operation gas, and concurrently makes it possible to securely drain the operation gas from an operation gas pipeline in case of emergency. The system includes a plurality of air operated valves of a normally open type that are connected to an operation gas pipeline supplied with an operation gas; pressure sensors that are series connected to the respective air operated valves and that detect output pressures of the respective air operated valves; a controller that controls operation pressures of the respective air operated valves in accordance with the pressures detected by the pressure sensors; and a hard interlock solenoid valve that correlates the plurality of air operated valves to one another so that at least one of the plurality of air operated valves is normally opened.

Abstract: A one-piece manifold for use in a sprinkler valve assembly includes an intake pipe having a water inlet and a plurality of ports adapted for fluid connection to inlets of a plurality of respective sprinkler valve assemblies. An outlet is attached to the intake, such as by cross-beams, and includes a plurality of elbow segments which are non-fluidly connected to one another. Each elbow segment defines an intake port adapted to be fluidly connected to an outlet of the respective valve assemblies. An exhaust port is adapted to be fluidly connected to a sprinkler or irrigation line. Preferably, the manifolds are connectable to one another in series to accommodate any number of sprinkler lines.

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 swimming pool cleaning device includes a fluid distribution system for controlling its operation. More particularly, the distribution system includes a housing having an inlet for receiving a supply of pressurized fluid, a pair of outlet openings and a valve chamber positioned between the inlet and the outlet openings. A piston, including a valve member, is movably mounted in the housing so as to be movable between a first position, in which the valve member closes one of the outlet openings so as to divert pressurized fluid to the other one of the outlet openings, and a second position, in which the valve member closes the other one of the outlet openings so as to divert pressurized fluid to the one of the outlet openings. A valve is provided for controlling the movement of the piston between the first and second positions. The piston has a passage extending therethrough so as to permit flow of pressurized fluid from the valve chamber to the valve.

Abstract: The device comprises a valve body with an input adapted to be connected to a water supply source, and with at least a first and second output. The body is provided with at least a first and a second electrovalve with direct actuation, whose hydraulic inputs are interconnected with one another and are connected to the input of the valve body and whose outputs are independent or separate and are connected to the first and the second output of the body respectively. The body is provided with a third solenoid electrovalve, for safety purposes, interposed between the input of the body and the inputs of the first and second electrovalves. Control devices are coupled to this third electrovalve such that the latter may be opened/closed each time that the first or second electrovalve is opened/closed. This third electrovalve closes in a delayed manner with respect to the closure of the first and the second electrovalve.

Abstract: A valve assembly comprising a body member forming a channel having first and second ends, forming a seat surface within and at the first end of the channel about an orifice that faces in the direction of the second end, the channel forming a first coupler at the second end, a closure member forming a closing surface and an oppositely facing bearing surface, the closing surface configured to be received on the seat surface to close the orifice, the closing member received within the channel with the closing surface facing the seat surface, a spring member having first and second ends and received within the channel with the first end of the spring member contacting the bearing surface and an adjustment member having first and second ends and forming a second coupler at the first end of the adjustment member that cooperates with the first coupler to mechanically link the adjustment member within the channel in various relative juxtapositions, one of the adjustment member and the body member forming an outlet pa

Abstract: A flow dividing device for gardening pipes includes a main body having a plurality of mounting studs, and a plurality of water control switches each mounted on the respective mounting stud. Each of the water control switches includes a control valve, an operation knob, and a pipe connector. Thus, the water flow of each of the water control switches is opened and closed by rotation of the operation knob, thereby facilitating a user operating the water control switches. In addition, when the pipe connector is detached from the operation knob, the pipe connector is rotatable relative to the operation knob so that the pipe connector is freely rotatable with the gardening pipe to facilitate a user rotating the gardening pipe relative to the main body.

Abstract: A fluid valve assembly and method for assembling the same includes a valve body defining an inlet, an outlet and a fluid passage communicating fluid therebetween. A control member is positioned within the fluid passage and includes a central passage through which the fluid advances. A flow seat component is positioned in the valve body downstream of the flow control member and receives the fluid from the flow control member. A cap component is secured to a distal opening defined on the valve body. A quick-connect collet is retained within an opening defined on the cap component.

Abstract: A flow dividing device for gardening pipes includes a main body, and a plurality of water control switches each mounted on the main body. Each of the water control switches includes a movable member, a push member, a control knob, a universal connector, a pivot seat, a pipe connector, and a bushing. Thus, the water flow of each of the water control switches is opened and closed by rotation of the control knob, thereby facilitating a user operating each of the water control switches. In addition, each of the water control switches is angle adjustable so as to adjust the angle between each of the gardening pipes and the main body.

Abstract: An air divider having a shutoff plate for converting row spacing on a seeding implement. A reversible shutoff plate has a closed position wherein one end of the plate extends through a slot and completely blocks a leg of a Y-shaped output end of the divider. By reversing the shutoff plate, the leg is opened to air and material flow. The shutoff plate is retained in a clip or post adjacent the slot in both the closed and open positions. A seal closes the slot if the shutoff plate is not inserted and permits the shutoff plate option to be selected at any time.

Abstract: A novel air flow control valve for an air outlet in an HVAC housing provides for strong, even seal pressure all the way around the edge of the opening. In stead of a swinging door hinged at one edge of the opening, in which seal pressure is strong on the hinge edge but weaker on the opposite edge, a flat panel is moved straight toward and away from the opening. In the closed position, the sealing pressure is even all the way around. The sealing panel is moved back and forth by a rotary cam mechanism.

Abstract: A fluid flow control system that includes a fluid inlet to receive a flow of process fluid and a plurality of fluid outlets. The plurality of fluid outlets include a first fluid outlet and at least one second fluid outlet. The first fluid outlet provides a first predetermined portion of the flow of process fluid, and the at least one second fluid outlet provides the remaining portion of the flow of process fluid. In one embodiment, the control system includes a pressure transducer, first and second multipliers, and first and second flow controllers. The first multiplier multiplies a pressure signal received from the pressure transducer by a first setpoint to control a first flow controller that provides the first predetermined portion of the flow of process fluid. The second multiplier multiplies the pressure signal by a second setpoint to control a second flow controller that provides the remaining portion.

Abstract: An improved double block and double bleed stream switching system (modifiable to, for example, a double block, single bleed stream switching system) includes a common stream path for a multitude of gas streams from, for example, a process pipeline. The improved stream switching system includes a heating mechanism and insulation oven to help temperature stabilization, along with a structure to separate temperature sensitive solenoids from the heated area. Pre-heat coils are located between the sample switching system and the sample shut off system to warm the gas sample and to act as a flow restrictor. A first embodiment is suited for the Division 1 environment and a second embodiment is suited for Division 2 uses. The improved stream switching system may also feature membrane or cartridge filters located upstream of the sample wetted portion of the stream switching system.

Abstract: A refrigerant charging tool. In a described embodiment, a refrigerant charging tool has two separately formed handles pivotably attached to each other. One of the handles has a container piercing member mounted thereon. Interchangeable spacers are configured for attachment to the other handle, so that a selected one of differently shaped containers may be biased against the container piercing member when the handles are pivoted toward each other.

Abstract: A valve housing of a diaphragm valve has a first valve chamber, into which open a central channel and first and second channels. Valve seats are arranged in the housing, and a first diaphragm is adapted to seal against at least one of the first and second valve seats. A second valve chamber, into which opens a fourth channel, communicates with the central channel through an opening in the housing. A third valve seat is provided and a second diaphragm is adapted to seal the third valve seat.